本發(fā)明涉及螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物及其制備方法和在防治植物病毒、殺菌、殺蟲方面的應(yīng)用,屬農(nóng)藥技術(shù)領(lǐng)域。
背景技術(shù):
螺環(huán)氧化吲哚骨架結(jié)構(gòu)廣泛存在于天然產(chǎn)物和藥物分子中。螺環(huán)氧化吲哚生物堿具有廣泛的生物活性,例如:(-)-horsfiline是從風(fēng)吹楠屬植物horsfieldiasuperba中分離得到的螺環(huán)氧化吲哚類生物堿,該生物堿具有明顯的鎮(zhèn)痛效果;spirotryprostatina是從煙曲霉菌aspergillusfumigatus中分離得到的,它可以抑制哺乳動(dòng)物tsft210細(xì)胞的g2m周期的進(jìn)行,進(jìn)而抑制該細(xì)胞的增殖;strychnofoline是從馬錢屬植物strychnosusambarensis的葉片中分離得到的,該生物堿對(duì)老鼠的黑色素瘤細(xì)胞和ehrlich腫瘤細(xì)胞的有絲分裂過(guò)程具有抑制作用。
目前,對(duì)于螺環(huán)氧化吲哚類化合物的研究主要集中在治療alzheimer病和抗腫瘤等醫(yī)藥領(lǐng)域。據(jù)我們所知,對(duì)于螺環(huán)氧化吲哚類化合物的抗植物病毒活性、殺菌活性和殺蟲活性等農(nóng)藥領(lǐng)域的研究沒(méi)有文獻(xiàn)報(bào)道。在治療alzheimer病方面:2012年輝瑞公司的efremovivanv.和vajdosfelixf.設(shè)計(jì)合成了含有螺環(huán)氧化吲哚-5′-甲酰酯的衍生物,發(fā)現(xiàn)該類化合物對(duì)天冬氨酰蛋白酶具有明顯的抑制劑作用,其ic50值為1um,可以用作治療alzheimer病的藥物(efremov,ivanv.;vajdos,felixf.;borzilleri,krisa.etal.j.med.chem.,2012,55,9069-9088.)。在抗腫瘤方面:2008年gilchrestbarbaraa等設(shè)計(jì)了含有螺環(huán)氧化吲哚-5′-甲酸酯類衍生物,發(fā)現(xiàn)此類衍生物可以誘導(dǎo)細(xì)胞凋亡,同時(shí)對(duì)人類黑色素瘤細(xì)胞蛋白激酶atm具有激活作用(gilchrest,barbaraa.;eller,marks.;koehler,angelan.etal.wo2008027990a1);2008年lewistimothya.等設(shè)計(jì)了含有螺環(huán)氧化吲哚-5′-甲酸酯類衍生物,發(fā)現(xiàn)此類衍生物對(duì)細(xì)胞增殖必要的一種絲氨酸/蘇氨酸激酶aurora激酶具有明顯的抑制作用,進(jìn)而可以抑制腫瘤細(xì)胞的增殖(lewis,timothya.;munger,karl;howley,peterm.etal.wo2008144507a2);2011年wangshaomeng等設(shè)計(jì)了含有螺環(huán)氧化吲哚-5′-甲酰胺結(jié)構(gòu)的衍生物,發(fā)現(xiàn)該類化合物對(duì)小鼠接種的sjsa-1腫瘤細(xì)胞具有明顯的抑制其增殖的作用(wang,shaomeng;yu,shanghai;sun,weietal.us20110112052a1.)。
技術(shù)實(shí)現(xiàn)要素:
本發(fā)明的目的是提供螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物及其制備方法和在防治植物病毒、殺菌、殺蟲方面的應(yīng)用。本專利的螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物表現(xiàn)出很好的抗植物病毒活性、殺菌活性和殺蟲活性。
本發(fā)明的螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物是具有如下通式所示結(jié)構(gòu)的化合物(通式i):
以上通式中,
r代表氫、一個(gè)至四個(gè)鹵素原子、一個(gè)至四個(gè)硝基、一個(gè)至四個(gè)氰基、一個(gè)至四個(gè)羥基、一個(gè)至兩個(gè)-och2o-、一個(gè)至兩個(gè)-och2ch2o-、一個(gè)至四個(gè)1-10碳的烷氧基、一個(gè)至四個(gè)0-10碳胺基、一個(gè)至四個(gè)1-6碳的烷基羰基、一個(gè)至四個(gè)1-10碳的烷氧基羰基、一個(gè)至四個(gè)1-10碳的烷胺基羰基、一個(gè)至四個(gè)1-10碳的烷氧羰基氧基、一個(gè)至四個(gè)1-10碳的烷胺基羰氧基、一個(gè)至四個(gè)1-10碳的α-胺基烷羰氧基;
r1代表1-10碳的烴胺基、2-10碳的含氮雜環(huán)胺基、2-10碳的含氧雜環(huán)胺基、2-10碳的含硫雜環(huán)胺基、2-10碳的含氧含氮雜環(huán)胺基、2-10碳的含硫含氮雜環(huán)胺基、2-10碳的含兩個(gè)氮的雜環(huán)胺基、2-10碳的含三個(gè)氮的雜環(huán)胺基;
r2代表氫、1-10碳的烴基、2-10碳的含氮雜環(huán)基、2-10碳的含氧雜環(huán)基、2-10碳的含硫雜環(huán)基、2-10碳的含氧含氮雜環(huán)基、2-10碳的含硫含氮雜環(huán)基、2-10碳的含兩個(gè)氮的雜環(huán)基、2-10碳的含三個(gè)氮的雜環(huán)基;
r3代表2-10碳的烴基氧基,或r1和r3為
x代表氧或硫;
r4代表1-10碳的烴基、2-10碳的含氮雜環(huán)基、2-10碳的含氧雜環(huán)基、2-10碳的含硫雜環(huán)基、2-10碳的含氧含氮雜環(huán)基、2-10碳的含硫含氮雜環(huán)基、2-10碳的含兩個(gè)氮的雜環(huán)基、2-10碳的含三個(gè)氮的雜環(huán)基,
r5和r6分別代表氫、甲氧基、三氟甲基、三氟甲氧基、氟、氯、溴,或r5和r6為1,3-二氧雜環(huán)戊烯基;
通式中化合物包括其對(duì)映異構(gòu)體和非對(duì)映異構(gòu)體。
一種簡(jiǎn)潔的制備螺環(huán)氧化吲哚乙內(nèi)酰硫脲衍生物的方法(路線一):首先l-色氨酸與甲醛水溶液反應(yīng)得β-咔啉-3-甲酸a,酸a進(jìn)行酯化得化合物b,對(duì)b的進(jìn)行boc保護(hù)得化合物c,c在酸性條件下與nbs反應(yīng)得螺環(huán)化合物d,經(jīng)過(guò)酸性條件下去保護(hù)得到中間體e,隨后與相應(yīng)的異硫氰酸酯反應(yīng)得到乙內(nèi)酰硫脲化合物1-15:
路線一
一種簡(jiǎn)潔的制備螺環(huán)氧化吲哚乙內(nèi)酰硫脲衍生物的方法(路線二):分別以l和d型色氨酸為起始原料與乙醛進(jìn)行pictet-spengler環(huán)化反應(yīng)得到α位被甲基取代的產(chǎn)物16和17,后續(xù)步驟與以上過(guò)程類似:
路線二
一種簡(jiǎn)潔的制備螺環(huán)氧化吲哚乙內(nèi)酰硫脲衍生物的方法(路線三):叔丁基異硫氰酸酯與(3s,5′s)-2-氧化螺[吲哚啉-3,3′-吡咯烷]-5′-甲酸甲酯(e)在加熱回流且加入dmap催化的條件下反應(yīng)得到未關(guān)環(huán)產(chǎn)物18:
路線三
一種簡(jiǎn)潔的制備螺環(huán)氧化吲哚乙內(nèi)酰脲衍生物的方法(路線四):相應(yīng)的異氰酸酯與(3s,5′s)-2-氧化螺[吲哚啉-3,3′-吡咯烷]-5′-甲酸甲酯(e)進(jìn)行縮合反應(yīng),可以得到乙內(nèi)酰脲衍生物19-21:
路線四
一種簡(jiǎn)潔的制備螺環(huán)氧化吲哚乙內(nèi)酰脲衍生物的方法(路線五):異氰酸酯與氨基甲酸酯反應(yīng)都得到未進(jìn)一步關(guān)環(huán)的脲類產(chǎn)物,分離到未關(guān)環(huán)產(chǎn)物22-27:
路線五
本發(fā)明通式的化合物具有優(yōu)異的抗植物病毒活性,能很好地抑制煙草花葉病毒、辣椒病毒、水稻病毒、番茄病毒、甘薯病毒、馬鈴薯病毒和瓜類病毒及玉米矮花葉病毒等,可有效防治煙草、辣椒、水稻、番茄、瓜菜、糧食、蔬菜、豆類等多種作物的病毒病,尤其適合于防治煙草花葉病。通式所示的螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物表現(xiàn)出很高的離體抗煙草花葉病毒(tmv)活性,而且還表現(xiàn)出很好的抗tmv活體活性。
本發(fā)明通式的化合物作為植物病毒抑制劑可以直接使用,也可以加上農(nóng)業(yè)上接受的載體使用,也可以和其他抗植物病毒劑如苯并噻二唑(bth)、噻酰菌胺(tdl)、4-甲基-1,2,3-噻二唑-5-甲酸(tdla)、dl-β-氨基丁酸(baba)、病毒唑、寧南霉素、菲并吲哚里西啶生物堿安托芬、聯(lián)三唑類化合物xy-13和xy-30、病毒a、水楊酸、多羥基雙萘醛、氨基寡糖素形成互作組合物使用,這些組合物有的表現(xiàn)增效作用,有的表現(xiàn)相加作用。
本發(fā)明通式的化合物具有殺粘蟲、棉鈴蟲和玉米螟及尖音庫(kù)蚊活性。
本發(fā)明通式的化合物對(duì)以下14種病原菌表現(xiàn)出殺菌活性,這14種病原菌:黃瓜枯萎、花生褐斑、蘋果輪紋、番茄早疫、小麥赤霉、馬鈴薯晚疫、油菜菌核、黃瓜灰霉、水稻紋枯、辣椒疫霉、水稻惡苗、小麥紋枯、玉米小斑和西瓜炭疽。
本發(fā)明通式的化合物作為殺蟲殺菌劑可以直接使用,也可以加上農(nóng)業(yè)上接受的載體使用,也可以和其他殺蟲殺螨殺菌劑如吡螨胺、溴蟲腈、乙螨唑、唑螨酯等組合使用,這些組合物有的表現(xiàn)增效作用,有的表現(xiàn)相加作用。
具體實(shí)施方式
下述的實(shí)施例和生測(cè)試驗(yàn)結(jié)果可用來(lái)進(jìn)一步說(shuō)明本發(fā)明,但不意味著限制本發(fā)明。
實(shí)施例1:螺環(huán)氧化吲哚乙內(nèi)酰硫脲衍生物的合成(1-15)
路線一
(s)-2,3,4,9-四氫-1h-吡啶并[3,4-b]吲哚-3-甲酸(a)的合成
在1l單口瓶中加入l-色氨酸(30g,0.147mol),naoh(5.88g,0.147mol)和400ml水,攪拌至澄清。而后加入30%的甲醛水溶液18ml,加熱回流3h。冷卻,用2mol/l的鹽酸溶液調(diào)節(jié)ph,此時(shí)有沉淀產(chǎn)生,抽濾水洗干燥得土黃色固體24.58g,產(chǎn)率77.4%。1hnmr(400mhz,dmso-d6)δ10.96(s,1h),7.44(d,j=7.5hz,1h),7.33(d,j=7.3hz,1h),7.07(t,j=7.2hz,1h),6.99(t,j=7.6hz,1h),4.31-4.20(m,2h),3.64(dd,j=9.6,4.4hz,1h),3.35(brs,1h),3.15(dd,j=15.8,4.4hz,1h),2.83(dd,j=15.7,10.7hz,1h)。
(s)-2,3,4,9-四氫-1h-吡啶并[3,4-b]吲哚-3-甲酸甲酯(b)的合成
100ml單口瓶中加入酸(2.1g,9.72mmol)和甲醇50ml,攪拌。在冰浴條件下逐滴加入socl2(4.01g,34.02mmol),加熱回流4h。旋干大部分溶劑,加20ml水稀釋后,加入飽和nahco3溶液調(diào)節(jié)ph,后用乙酸乙酯萃取水相,飽和食鹽水洗滌乙酸乙酯,無(wú)水na2so4干燥,脫溶得到棕色固體1.94g,產(chǎn)率87.5%。1hnmr(400mhz,cdcl3)δ7.99(s,1h),7.50(d,j=7.6hz,1h),7.31(d,j=7.8hz,1h),7.18(t,j=7.3hz,1h),7.13(t,j=7.3hz,1h),4.13(s,2h),3.93-3.79(m,4h),3.17(dd,j=15.3,4.6hz,1h),2.93(dd,j=15.3,9.6hz,1h),2.10(brs,1h).13cnmr(100mhz,cdcl3)δ173.8,136.0,132.0,127.2,121.7,119.6,117.9,110.8,107.4,56.0,52.2,42.1,25.4。
n-boc保護(hù)的(s)-2,3,4,9-四氫-1h-吡啶并[3,4-b]吲哚-3-甲酸甲酯(c)的合成
100ml單口瓶中加入酯(1.94g,8.43mmol)和50mlch2cl2,以及二碳酸叔丁酯(2.02g,9.27mmol)和三乙胺(1.06g,10.54mmol),室溫?cái)嚢柽^(guò)夜。加100ml水稀釋,用2mol/l的鹽酸溶液調(diào)節(jié)ph,ch2cl2(3×50ml)萃取水相,而后用飽和食鹽水洗滌ch2cl2,無(wú)水na2so4干燥,脫溶。柱層析分離,得白色固體2.60g,收率94.0%。1hnmr(400mhz,cdcl3)δ8.63and7.99(brs,1h),7.53(d,j=7.6hz,1h),7.33(t,j=7.6hz1h),7.20-7.11(m,2h),5.46and5.25(d,j=6.2hz,1h),4.92and4.82(d,j=16.1hz,1h),4.58and4.54(d,j=16.4hz,1h),3.65and3.63(s,3h),3.46(d,j=15.5hz,1h),3.20-3.09(m,1h),1.58and1.57(s,9h).13cnmr(100mhz,cdcl3)δ172.2and172.1,155.8and155.7,136.4and136.4,129.8and129.7,126.8and126.7,121.9and121.8,119.6and119.4,118.2and118.0,110.9and110.8,106.3and105.4,81.2and80.9,53.8and52.5,40.7and40.4,28.4,27.4and26.9,23.5and23.2。
(3s,5′s)-1′-叔丁氧羰基-2-氧化螺[吲哚啉-3,3′-吡咯烷]-5′-甲酸甲酯(d)的合成
boc保護(hù)的酯(2.0g,6.06mmol)溶于100mlh2o-thf(1∶1,v/v)混合溶劑中,加入25ml冰乙酸,另將nbs(1.08g,6.06mmol)溶于20ml相同的混合劑中。用滴管將nbs逐滴加入到反應(yīng)體系中,繼續(xù)低溫反應(yīng)1h,tlc檢測(cè)反應(yīng)完全后,加入少量無(wú)水na2so3淬滅反應(yīng),而后加飽和nahco3溶液調(diào)節(jié)體系至中性,脫掉thf后用ch2cl2(3×50ml)萃取水相,合并有機(jī)相,無(wú)水na2so4干燥,脫溶。柱層析分離,得白色固體1.91g,收率91.0%。1hnmr(400mhz,dmso-d6)δ10.68(s,1h),7.24(t,j=7.7hz,1h),7.11-7.05(m,1h),7.03-6.96(m,1h),6.91(d,j=7.7hz,1h),4.66-4.58(m,1h),3.73and3.70(s,3h),3.60-3.49(m,2h),2.41-2.36(m,1h),2.31-2.21(m,1h),1.40and1.38(s,9h)。
(3s,5′s)-2-氧化螺[吲哚啉-3,3′-吡咯烷]-5′-甲酸甲酯(e)的合成
在500ml單口瓶中加入boc保護(hù)的螺環(huán)氧化吲哚酯(10.0g,28.9mmol)和200ml二氧六環(huán),并且一次性加入10ml濃鹽酸。室溫?cái)嚢?h。脫溶,體系加飽和nahco3溶液。用ch2cl2反復(fù)萃取水相,無(wú)水na2so4干燥,脫溶。得到黃色油狀物5.11g,產(chǎn)率76%。1hnmr(400mhz,cdcl3)δ9.53(s,1h),7.27(d,j=7.4hz,1h),7.22(t,j=7.6hz,1h),7.05(t,j=7.5hz,1h),6.95(d,j=7.7hz,1h),4.21(t,j=7.9hz,1h),3.80(s,3h),3.52(d,j=11.5hz,1h),3.10(d,j=11.5hz,1h),3.07(brs,1h),2.50-2.44(m,2h).13cnmr(100mhz,cdcl3)δ182.5,173.5,140.8,132.9,128.2,122.8,122.7,110.1,61.3,58.2,54.6,52.4,41.6。
(3s,7a′s)-2′-苯基-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(1)
在100ml單口瓶中加入酯e(0.5g,2.03mmol)和40mlch2cl2以及三乙胺(0.226g,2.23mmol),攪拌下加入異硫氰酸苯酯(0.356g,2.64mmol),室溫反應(yīng)4h,tlc監(jiān)測(cè)反應(yīng)完全后,脫溶,柱層析分離。得到白色粉末0.5g,產(chǎn)率70.6%,熔點(diǎn)221-225℃。1hnmr(400mhz,cdcl3)δ9.54and9.27(s,1h),7.54-7.36(m,5h),7.25-7.12(m,2h),7.08-7.00(m,1h),6.80-6.72(m,1h),5.22(dd,j=10.3,7.2hz)and4.85(dd,j=10.3,4.5hz,1h),4.77(d,j=12.4hz)and4.37(d,j=12.4hz,1h),3.97(d,j=12.4hz)and3.72(d,j=12.4hz,1h),2.75-2.59(m)and2.36-2.27(m,2h).13cnmr(100mhz,cdcl3)δ190.6and186.1,181.8and181.1,174.7and172.4,141.4and140.7,134.2and133.4,129.6,129.5,129.31,129.26,129.2,128.4,128.1and128.0,123.5,123.2and123.0,111.1and110.8,64.9and64.0,58.4and56.3,55.7and53.5,37.7and35.8.hrms(esi)calcdforc19h15n3o2s(m+h)+350.0958,found350.0963.
化合物2-15合成操作步驟參照化合物1。
(3s,7a′s)-2′-(3-氯苯基)-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(2)
淡黃色粉末,產(chǎn)率61.7%,熔點(diǎn)132-136℃。1hnmr(400mhz,cdcl3)δ9.43and9.13(s,1h),7.52-7.40(m,3h),7.40-7.29and7.25-7.19(m,3h),7.11-7.04(m,1h),6.86-6.81(m,1h),5.24(dd,j=10.5,6.9hz)and4.87(dd,j=10.3,4.3hz,1h),4.78(d,j=12.4hz)and4.36(d,j=12.5hz,1h),3.99(d,j=12.4hz)and3.74(d,j=12.5hz,1h),2.78-2.61and2.34-2.25(m,2h).13cnmr(100mhz,cdcl3)δ190.0and185.3,181.6and181.1,174.2and171.9,141.3and140.5,135.2and134.2,134.7,130.2,129.6,129.5,129.3and128.7,128.4and127.8,126.8and126.4,123.6and123.3,123.2and122.9,111.0and110.7,64.9and64.0,58.4and56.2,55.6and53.5,37.7and35.8.hrms(esi)calcdforc19h14cln3o2s(m+h)+384.0568,found384.0576.
(3s,7a′s)-2′-(4-氯苯基)-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(3)
黃色粉末,產(chǎn)率72.7%,熔點(diǎn)127-131℃。1hnmr(400mhz,cdcl3)δ9.34and9.10(s,1h),7.50-7.32and7.24-7.17(m,6h),7.10-7.03(m,1h),6.78-6.70(m,1h),5.22(dd,j=10.2,7.2hz)and4.85(dd,j=10.1,4.1hz,1h),4.76(d,j=12.4hz)and4.34(d,j=12.6hz,1h),3.97(d,j=12.5hz)and3.71(d,j=12.5hz,1h),2.77-2.58and2.33-2.25(m,2h).13cnmr(100mhz,cdcl3)δ190.3and185.4,181.63and181.1,174.4and172.0,141.2and140.5,135.1,132.6and131.7,129.8,129.6,129.5,129.4,129.3,129.2and127.7,123.6and123.3,123.2and123.0,111.1and110.8,64.9and64.0,58.5and56.2,55.6and53.4,37.7and35.7.hrms(esi)calcdforc19h14cln3o2s(m+h)+384.0568,found384.0570.
(3s,7a′s)-3′-硫代-2′-(3-甲基苯基)-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(4)
淡黃色粉末,產(chǎn)率72.2%,熔點(diǎn)121-125℃。1hnmr(400mhz,cdcl3)δ9.59and9.32(s,1h),7.42-7.34(m,1h),7.30-7.22(m,3h),7.21-7.15(m,2h),7.09-7.01(m,1h),6.82-6.76(m,1h),5.22(dd,j=10.1,7.3hz)and4.85(dd,j=10.0,4.4hz,1h),4.77(d,j=12.4hz)and4.37(d,j=12.4hz,1h),3.97(d,j=12.4hz)and3.71(d,j=12.4hz,1h),2.75-2.60and2.32-2.27(m,2h),2.40and2.34(s,3h).13cnmr(100mhz,cdcl3)δ190.6and186.2,181.7and181.1,174.7and172.5,141.4and140.7,139.4,134.1and133.2,130.2and130.1,129.6and129.5,129.2and129.1,128.8and128.6,128.1,125.5and125.2,123.5,123.2and123.0,111.1and110.8,65.0and64.1,58.4and56.3,55.7and53.6,37.8and35.8,21.4and21.1.hrms(esi)calcdforc20h17n3o2s(m+h)+364.1114,found364.1115.
(3s,7a′s)-2′-環(huán)己基-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(5)
白色粉末,產(chǎn)率84.7%,熔點(diǎn)117-119℃。實(shí)驗(yàn)過(guò)程中將該化合物的兩個(gè)非對(duì)映異構(gòu)體之極性較小的一個(gè)分離出來(lái)了。以單一構(gòu)型進(jìn)行了nmr檢測(cè)。1hnmr(400mhz,cdcl3)δ9.40(s,1h),7.26-7.20(m,2h),7.05(t,j=7.5hz,1h),6.93(d,j=7.8hz,1h),4.65(d,j=12.4hz,1h),4.57-4.51(m,1h),4.50-4.42(m,1h),3.62(d,j=12.4hz,1h),2.55-2.45(m,2h),2.37-2.27(m,1h),2.16-2.06(m,1h),1.98-1.78(m,4h),1.78-1.69(m,1h),1.68-1.61(m,1h),1.41-1.29(m,2h).13cnmr(100mhz,cdcl3)δ190.5,181.4,174.8,141.3,129.4,128.9,123.1,122.9,110.8,63.1,58.3,56.5,53.7,35.9,28.7,28.1,26.0,25.9,25.2.hrms(esi)calcdforc19h21n3o2s(m+h)+356.1427,found356.1428.
(3s,7a′s)-2′-環(huán)戊基-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(6)
白色粉末,產(chǎn)率75.3%,熔點(diǎn)98-100℃。實(shí)驗(yàn)過(guò)程中將該化合物的兩個(gè)非對(duì)映異構(gòu)體之極性較小的一個(gè)分離出來(lái)了。以單一構(gòu)型進(jìn)行了nmr檢測(cè)。1hnmr(400mhz,cdcl3)δ9.27(s,1h),7.30-7.20(m,2h),7.06(t,j=7.3hz,1h),6.97(d,j=7.6hz,1h),5.01-4.95(m,1h),4.65(d,j=12.3hz,1h),4.59-4.52(m,1h),3.64(d,j=12.3hz,1h),2.55-2.45(m,2h),2.30-2.20(m,1h),2.15-2.05(m,1h),2.02-1.85(m,5h),1.65-1.55(m,2h).13cnmr(100mhz,cdcl3)δ190.9,181.2,174.6,141.2,129.4,128.9,123.2,122.8,110.9,63.3,58.3,56.4,53.8,36.0,29.1,27.7,25.4,25.2.hrms(esi)calcdforc18h19n3o2s(m+h)+342.1271,found342.1278.
(3s,7a′s)-2′-正己基-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(7)
黃色油狀物,產(chǎn)率77.7%。1hnmr(400mhz,cdcl3)δ9.59and9.48(s,1h),7.30-7.22and7.15-7.03(m,3h),7.00-6.92(m,1h),4.99(dd,j=9.8,7.5hz)and3.92-3.80(m,3h),4.72-4.62(m,1h),4.31(d,j=12.3hz)and3.67(d,j=12.3hz,1h),2.65-2.58and2.15-2.07(m,1h),2.56-2.43(m,1h),1.80-1.67(m,2h),1.43-1.20(m,9h),0.94-0.80(m,3h).13cnmr(100mhz,cdcl3)δ189.7and186.7,181.3and181.2,174.5and173.2,141.1and140.6,129.9and129.3,129.4,123.5and122.9,123.2,110.9and110.7,64.4and63.8,57.7and56.1,55.9and54.2,42.5and42.2,37.6and36.12,31.8and31.7,28.9,27.6and27.3,26.8,22.6,14.1.hrms(esi)calcdforc20h25n3o2s(m+h)+372.1740,found372.1748.
(3s,7a′s)-2′-正丁基-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(8)
淡黃色粉末,產(chǎn)率76.6%,熔點(diǎn)68-71℃。1hnmr(400mhz,cdcl3)δ9.38and9.24(s,1h),7.32-7.04(m,3h),7.01-6.94(m,1h),5.01(dd,j=10.3,7.2hz)and4.71-4.68(m,1h),4.67and3.94-3.80(m,3h),4.34(d,j=12.3hz)and3.68(d,j=12.4hz,1h),2.64(dd,j=12.9,7.2hz)and2.57-2.52and2.16-2.09(m,2h),1.80-1.68(m,2h),1.47-1.37(m,2h),1.02-0.94(m,3h).13cnmr(100mhz,cdcl3)δ189.7and186.8,181.3and181.1,174.4and173.1,141.1and140.5,129.8,129.4,123.5and123.3,123.2and122.9,110.8and110.6,64.4and63.8,57.7and56.1,55.8and54.2,42.3and42.0,37.7and36.2,29.6and29.4,20.1,13.8and13.7.hrms(esi)calcdforc17h19n3o2s(m+h)+330.1271,found330.1263.
(3s,7a′s)-2′-芐基-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(9)
白色粉末,產(chǎn)率70.7%,熔點(diǎn)100-103℃。1hnmr(400mhz,cdcl3)δ9.37and9.27(s,1h),7.58-7.53(m,2h),7.42-7.30(m,3h),7.28-7.21(m,1h),7.15-6.88(m,3h),5.22-4.99and4.76-4.72(m,3h,ar-ch2andch),4.69(d,j=12.3hz)and4.35(d,j=12.3hz,1h),3.92(d,j=12.3hz)and3.69(d,j=12.3hz,1h),2.69-2.49and2.21-2.16(m,2h).13cnmr(100mhz,cdcl3)δ189.0and186.4,181.1and181.0,174.2and173.2,141.1and140.6,135.8and135.7,130.0and129.6,129.5and129.4,129.0,128.7,128.6,128.55,128.1and127.9,123.5and123.3,123.2and123.0,111.0and110.7,64.5and64.0,57.6and56.4,55.8and54.4,45.7and45.5,37.5and36.3.hrms(esi)calcdforc20h17n3o2s(m+h)+364.1114,found364.1122.
(3s,7a′s)-2′-(苯并[d][1,3]二氧雜環(huán)戊烯-5-甲基)-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(10)
淡黃色粉末,產(chǎn)率83.5%,熔點(diǎn)100-103℃。1hnmr(400mhz,cdcl3)δ9.23and9.13(s,1h),7.28-6.96(m,5h),6.92-6.85(m,1h),6.78-6.70(m,1h),5.93(s)and5.85(d,j=4.9hz,2h),5.07-4.87and4.71-4.67(m,3h,ar-ch2andch),4.65(d,j=12.3hz)and4.31(d,j=12.3hz,1h),3.88(d,j=12.3hz)and3.65(d,j=12.3hz,1h),2.66-2.45(m)and2.12(dd,j=12.8,10.4hz,2h).13cnmr(100mhz,cdcl3)δ189.0and186.3,181.0and180.8,174.0and173.0,147.7and147.6,147.4and147.2,140.9and140.4,129.9,129.5,129.4,123.5and122.2,123.3,122.9,110.9and110.6,109.7and109.3,108.3and108.2,101.2and101.1,64.4and64.0,57.6and56.3,55.7and54.3,45.4and45.3,37.5and36.3.hrms(esi)calcdforc21h17n3o4s(m+h)+408.1013,found408.1016.
(3s,7a′s)-2′-(4-氯芐基)-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(11)
淡黃色粉末,產(chǎn)率82.3%,熔點(diǎn)95-99℃。1hnmr(400mhz,cdcl3)δ9.08and9.01(s,1h),7.47(t,j=7.4hz,2h),7.31(d,j=8.2hz)and7.09(t,j=7.5hz,2h),7.26-7.20(m,2h),6.99(t,j=7.8hz,1h),6.88(t,j=6.9hz,1h),5.12-4.92and4.72-4.68(m,3h,ar-ch2andch),4.65(d,j=12.3hz)and4.30(d,j=12.3hz,1h),3.89(d,j=12.3hz)and3.66(d,j=12.3hz,1h),2.67-2.46and2.17-2.03(m,2h).13cnmr(100mhz,cdcl3)δ188.9and186.1,180.9and180.7,174.0and172.9,140.9and140.4,134.1,134.0and133.8,130.6,130.2,129.8and129.3,129.5,128.8,128.7,123.5and123.3,123.2and122.9,110.9and110.6,64.4and63.9,57.7and56.3,55.7and54.2,45.0and44.8,37.6and36.3.hrms(esi)calcdforc20h16cln3o2s(m+h)+398.0725,found398.0729.
(3s,7a′s)-2′-(3-氯芐基)-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(12)
淡黃色粉末,產(chǎn)率75.9%,熔點(diǎn)81-85℃。1hnmr(400mhz,cdcl3)δ9.26and9.14(s,1h),7.51-7.47(m,1h),7.41-7.36(m,1h),7.29-7.26(m,1h),7.26-7.22and7.10-6.96(m,3h),7.22-7.18(m,1h),6.89-6.83(m,1h),5.12-4.94(m)and4.72(dd,j=9.5,6.7hz,3h,ar-ch2andch),4.66(d,j=12.4hz)and4.31(d,j=12.4hz,1h),3.90(d,j=12.4hz)and3.66(d,j=12.4hz,1h),2.66-2.50(m)and2.13(dd,j=13.0,10.4hz,2h).13cnmr(100mhz,cdcl3)δ188.8and186.0,181.0and180.9,174.1and172.9,141.0and140.4,137.6and137.5,134.4and134.3,129.9and129.2,129.8,129.5,128.9and128.5,128.3and128.1,127.2and126.7,123.6and123.3,123.2and122.9,110.9and110.6,64.5and63.9,57.7and56.3,55.8and54.2,45.1and44.9,37.6and36.2.hrms(esi)calcdforc20h16cln3o2s(m+h)+398.0725,found398.0731.
(3s,7a′s)-2′-(2-氯芐基)-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(13)
淡黃色粉末,產(chǎn)率67.2%,熔點(diǎn)97-101℃。1hnmr(400mhz,cdcl3)δ9.32and9.07(s,1h),7.48-7.37and7.33-7.17(m,6h),7.16-7.05(m,1h),6.95-6.87(m,1h),5.30-5.14and4.87-4.81(m,3h,ar-ch2andch),4.80-4.73and4.43-4.34(m,1h),3.99(dd,j=12.3,4.5hz)and3.78-3.69(m,1h),2.75-2.55and2.27-2.18(m,2h).13cnmr(100mhz,cdcl3)δ189.2and186.2,181.3and181.1,174.2and172.8,141.0and140.5,133.0and132.8,132.7and132.6,129.8,129.6,128.9,128.7,128.0and127.9,126.9,123.6and123.3,123.2and122.9,111.0and110.7,64.6and64.0,57.8and56.2,55.8and54.1,43.6and43.0,37.9and36.1.hrms(esi)calcdforc20h16cln3o2s(m+h)+398.0725,found398.0726.
(3s,7a′s)-2′-(3,4-二氯芐基)-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(14)
淡黃色粉末,產(chǎn)率80.9%,熔點(diǎn)97-101℃。1hnmr(400mhz,cdcl3)δ9.10and8.99(s,1h),7.65-7.59(m,1h),7.43-7.34(m,2h),7.25-7.20(m,1h),7.13-6.97(m,2h),6.86-6.81(m,1h),5.09-4.91(m)and4.72(dd,j=9.6,6.3hz,3h,ar-ch2andch),4.66(d,j=12.4hz)and4.29(d,j=12.4hz,1h),3.91(d,j=12.4hz)and3.67(d,j=12.4hz,1h),2.67-2.53(m)and2.13(dd,j=12.8,10.5hz,2h).13cnmr(100mhz,cdcl3)δ188.8and185.7,181.0,174.1and172.8,140.9and140.3,135.7and135.7,132.6and132.5,132.3and132.0,131.0and130.6,130.6and130.4,129.6and129.5,128.6and128.1,123.6and123.4,123.2and122.9,110.9and110.6,64.5and63.9,57.7and56.2,55.7and54.0,44.6and44.3,37.6and36.1.hrms(esi)calcdforc20h15cl2n3o2s(m+h)+432.0335found432.0341.
(3s,7a′s)-2′-(4-甲氧基芐基)-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(15)
淡黃色粉末,產(chǎn)率74.3%,熔點(diǎn)95-99℃。1hnmr(400mhz,cdcl3)δ9.19and9.09(s,1h),7.51-7.44(m,2h),7.30-7.18and7.10-7.05(m,2h),7.00-6.93(m,1h),6.94-6.81(m,3h),5.12-4.90and4.69-4.65(m,3h,ar-ch2andch),4.63(d,j=12.3hz)and4.31(d,j=12.3hz,1h),3.87(d,j=12.3hz)and3.65(d,j=12.4hz,1h),3.79and3.73(s,3h),2.65-2.44(m)and2.11(dd,j=12.9,10.2hz,2h).13cnmr(100mhz,cdcl3)δ189.1and186.4,180.9and180.7,174.0and173.1,159.4and159.2,140.9and140.4,130.6,130.2,129.9and129.6,129.5and129.4,127.9,123.5and123.3,123.2and122.8,113.90,113.86,110.9and110.6,64.4and64.0,57.6and56.4,55.7and55.3,55.2and54.4,45.1and45.0,37.5and36.4.hrms(esi)calcdforc21h19n3o3s(m+h)+394.1220,found394.1222.
實(shí)施例2:螺環(huán)氧化吲哚乙內(nèi)酰硫脲衍生物的合成(16、17)
路線二
化合物16,17合成操作步驟參照化合物1。
(3s,5′r,7a′r)-5′-甲基-2′-苯基-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(16)
黃色粉末,產(chǎn)率84.3%,熔點(diǎn)135-137℃。1hnmr(400mhz,cdcl3)δ9.61(s,1h),7.57-7.48(m,5h),7.30(s,1h),7.22-7.17(m,1h),7.10-7.05(m,1h),6.75(d,j=7.7hz,1h),4.96-4.89(m,2h),2.72(d,j=7.7hz,2h),1.44(d,j=6.9hz,3h).13cnmr(100mhz,cdcl3)δ189.6,181.6,174.5,141.4,134.0,129.4,129.3(2c),129.2,128.4(2c),127.1,124.9,122.63,111.4,63.7,63.0,57.7,34.3,18.0.hrms(esi)calcdforc20h17n3o2s(m+h)+364.1114,found364.1118.
(3r,5′s,7a′r)-5′-甲基-2′-苯基-3′-硫代-2′,3′,7′,7a′-四氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2(5′h)-二酮(17)
黃色粉末,產(chǎn)率68.9%,熔點(diǎn)106-109℃。1hnmr(400mhz,cdcl3)δ10.12and9.63(s,1h),7.79-7.75and7.60-7.43(m,5h),7.36-7.31and7.24-7.15(m,2h),7.12-7.00(m,1h),6.84-6.68(m,1h),5.56-5.50and5.19-5.13and4.96-4.88,4.53-4.46(m,2h),3.46-3.28(m,2h),2.75-2.68,2.39-2.19(m,2h),1.62-1.40(m,3h).13cnmr(100mhz,cdcl3)δ189.5,181.6,174.5,141.4,134.0,129.4,129.3,129.33,129.27,128.4,127.1,125.0,123.8,122.7,111.4,63.7,63.0,57.7,34.3,18.0;hrms(esi)calcdforc20h17n3o2s(m+h)+364.1114,found364.1106.
實(shí)施例3:螺環(huán)氧化吲哚乙內(nèi)酰硫脲衍生物的合成(18)
路線三化合物18合成操作步驟參照化合物1。
(3s,5′s)-1′-(叔丁基硫代胺基甲?;?-2-氧代螺[二氫吲哚-3,3′-吡咯烷]-5′-甲酸甲酯(18)
白色粉末,產(chǎn)率45.7%,熔點(diǎn)108-110℃。1hnmr(400mhz,cdcl3)δ9.44(s,1h),7.26(t,j=7.4hz,1h),7.13(d,j=7.2hz,1h),7.06(t,j=7.4hz,1h),7.01(d,j=7.7hz,1h),5.78(s,1h),5.32(t,j=8.2hz,1h),4.00(d,j=9.8hz,1h),3.82(s,1h),3.79(s,3h),2.61-2.51(m,1h),2.47-2.36(m,1h),1.52(s,9h).13cnmr(100mhz,cdcl3)δ180.2,177.7,172.4,140.1,132.3,129.0,123.5,122.7,110.6,62.4,56.9,54.4,52.8,52.7,39.0,29.0.hrms(esi)calcdforc18h23n3o3s(m+h)+362.1533,found362.1538.
實(shí)施例4:螺環(huán)氧化吲哚乙內(nèi)酰脲衍生物的合成(19-21)
路線四
化合物19-21操作步驟參照化合物1。
(3s,7a′s)-2′-苯基-7′,7a′-二氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2,3′(2′h,5′h)-三酮(19)
白色粉末,產(chǎn)率73.1%,熔點(diǎn)111-113℃。1hnmr(400mhz,cdcl3)δ10.33and9.40(s,1h),8.35(d,j=8.1hz)and6.56(d,j=7.6hz,1h)7.61-7.34(m,6h),7.24-7.02(m,2h),4.78(dd,j=10.6,3.5hz)and4.73(dd,j=10.4,3.4hz,1h),4.44(d,j=12.8hz)and4.31(d,j=12.5hz,1h),3.50(d,j=12.9hz)and3.42(d,j=12.6hz,2h),2.85-2.58(m,2h).13cnmr(100mhz,cdcl3)δ182.4and182.3,174.0and173.4,161.0and160.5,148.8and141.5,136.6and132.5,129.92,129.3and129.2,128.7and128.4,127.74,126.7and126.6,126.3and125.9,125.7and124.9,123.0and122.9,122.4and120.7,117.1and110.8,62.3and62.2,56.1and55.5,54.5and53.5,37.9and36.5.hrms(esi)calcdforc19h15n3o3(m+h)+334.1186,found334.1191.
(3s,7a′s)-2′-(4-氯苯基)-7′,7a′-二氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2,3′(2′h,5′h)-三酮(20)
白色粉末,產(chǎn)率64.6%,熔點(diǎn)264-268℃。1hnmr(400mhz,cdcl3)δ10.26and8.58(s,1h),8.32(d,j=8.2hz)and6.61(d,j=7.7hz)and7.12-7.06(m,1h),7.52-7.41(m,5h),7.35-7.30(m,1h),7.24-7.18(m,1h),4.78(dd,j=10.6,3.8hz)and4.71(dd,j=10.6,3.6hz,1h),4.44(d,j=12.9hz)and4.31(d,j=12.7hz,1h),3.52(d,j=13.0hz)and3.43(d,j=12.7hz,1h),2.86-2.58(m,2h).13cnmr(100mhz,cdcl3)δ182.4and181.4,173.6and172.9,160.7and160.0,148.6and135.1,141.1and140.2,134.4and134.1,130.9and130.6,130.1and130.0,129.5and129.4,129.2,127.9and127.6,126.1and125.9,123.2and122.9,122.3and121.9,117.2and110.6,62.2and62.1,56.2and55.6,54.5and53.3,37.9and36.6.hrms(esi)calcdforc19h14cln3o3(m+h)+368.0796,found368.0804.
(3s,7a′s)-2′-(3-氯苯基)-7′,7a′-二氫螺[吲哚啉-3,6′-吡咯并[1,2-c]咪唑]-1′,2,3′(2′h,5′h)-三酮(21)
白色粉末,產(chǎn)率85.3%,熔點(diǎn)110-112℃。1hnmr(400mhz,cdcl3)δ10.36and9.28(s,1h),8.27(d,j=8.1hz)and6.53(d,j=7.6hz,1h),7.65-7.55(m,1h),7.47-7.28(m,4h),7.21-6.98(m,2h),4.75(d,j=10.1hz)and4.68(d,j=10.0hz,1h),4.40(d,j=12.9hz)and4.25(d,j=12.6hz,1h),3.48(d,j=12.9hz)and3.39(d,j=12.7hz,1h),2.81-2.54(m,2h).13cnmr(100mhz,cdcl3)δ182.6and182.2,173.6and173.2,160.5and160.2,148.4and141.4,140.1and137.9,134.8and134.6,133.6and133.3,130.2and129.4,128.9and128.5,127.5and127.1,126.7and125.9,125.0and124.8,123.1and122.4,120.3and118.3,117.0and110.8,62.2and62.1,56.2and55.5,54.4and53.4,37.8and36.4.hrms(esi)calcdforc19h14cln3o3(m+h)+368.0796,found368.0803
實(shí)施例5:螺環(huán)氧化吲哚乙內(nèi)酰脲衍生物的合成(22-27)
路線五
化合物22-27操作步驟參照化合物1。(3s,5′s)-2-氧代-1′-(3-甲基苯基)螺[二氫吲哚-3,3′-吡咯烷]-5′-甲酸甲酯(22)
白色粉末,產(chǎn)率58.2%,熔點(diǎn)113-116℃。1hnmr(400mhz,cdc13)δ9.38(s,1h),7.29(s,1h),7.24-7.10(m,5h),7.08-6.91(m,2h),6.84-6.80(m,1h),4.96(t,j=8.2hz,1h),3.94(d,j=9.6hz,1h),3.76(s,3h),3.65(d,j=9.6hz,1h),2.58(dd,j=12.6,8.7hz,1h),2.38(dd,j=12.6,8.0hz,1h),2.26(s,3h).13cnmr(100mhz,cdcl3)δ178.1,172.9,154.5,140.2,138.8,138.6,132.3,128.9,128.7,124.1,123.2,122.5,120.7,117.0,110.7,59.2,55.0,53.2,52.8,39.1,21.5.hrms(esi)calcdforc21h21n3o4(m+h)+380.1605,found380.1612.
(3s,5′s)-1′-(環(huán)己基氨基甲?;?-2-氧代螺[二氫吲哚-3,3′-吡咯烷]-5′-甲酸甲酯(23)
白色粉末,產(chǎn)率60.0%,熔點(diǎn)116-118℃。1hnmr(400mhz,cdcl3)δ9.61(s,1h),7.22(t,j=7.6hz,1h),7.12(d,j=7.3hz,1h),7.04-7.06(m,2h),4.83(t,j=8.4hz,1h),4.63(d,j=7.6hz,1h),3.84(d,j=9.4hz,1h),3.76(s,3h),3.68-3.60(m,1h),3.58(d,j=9.5hz,1h),2.56(dd,j=12.7,8.8hz,1h),2.35(dd,j=12.6,8.8hz,1h),1.98-1.87(m,2h),1.72-1.53(m,3h),1.38-1.23(m,2h),1.17-1.04(m,3h).13cnmr(100mhz,cdcl3)δ178.0,172.9,156.2,140.4,132.8,128.7,123.0,122.5,110.5,59.1,54.7,53.2,52.6,49.6,39.3,33.8,33.7,25.6,25.0,24.9.hrms(esi)calcdforc20h25n3o4(m+h)+372.1918,found372.1921.
(3s,5′s)-1′-(環(huán)戊基氨基甲?;?-2-氧代螺[二氫吲哚-3,3′-吡咯烷]-5′-甲酸甲酯(24)
白色粉末,產(chǎn)率57.1%,熔點(diǎn)108-110℃。1hnmr(400mhz,cdcl3)δ9.42(s,1h),7.25(t,j=7.5hz,1h),7.14(d,j=7.3hz,1h),7.03(t,j=7.5hz,1h),6.98(d,j=7.7hz,1h),4.84(t,j=8.2hz,1h),4.70(d,j=6.7hz,1h),4.16-4.09(m,1h),3.85(d,j=9.4hz,1h),3.78(s,3h),3.61(d,j=9.3hz,1h),2.59(dd,j=12.6,8.7hz,1h),2.38(dd,j=12.6,8.1hz,1h),2.06-1.92(m,2h),1.70-1.52(m,4h),1.43-1.30(m,2h).13cnmr(100mhz,cdcl3)δ178.0,172.8,156.6,140.3,132.7,128.7,123.1,122.6,110.5,59.1,54.8,53.2,52.6(2c),39.4,33.6,33.5,23.7(2c).hrms(esi)calcdforc19h23n3o4(m+h)+358.1761,found358.1769.
(3s,5′s)-1′-(正丁基氨基甲酰基)-2-氧代螺[二氫吲哚-3,3′-吡咯烷]-5′-甲酸甲酯(25)
白色粉末,產(chǎn)率55.7%,熔點(diǎn)86-88℃。1hnmr(400mhz,cdcl3)δ9.47(s,1h),7.23(t,j=7.7hz,1h),7.13(d,j=7.4hz,1h),7.02(t,j=7.5hz,1h),6.97(d,j=7.8hz,1h),4.88-4.78(m,2h),3.85(d,j=9.4hz,1h),3.76(s,3h),3.61(d,j=9.4hz,1h),3.31-3.18(m,2h),2.57(dd,j=12.7,8.7hz,1h),2.40-2.35(m,1h),1.52-1.42(m,2h),1.36-1.28(m,2h),0.89(t,j=7.3hz,3h).13cnmr(100mhz,cdcl3)δ178.0,172.9,156.9,140.3,132.8,128.7,123.1,122.6,110.5,59.1,54.7,53.2,52.6,40.6,39.3,32.2,20.0,13.8.hrms(esi)calcdforc18h23n3o4(m+h)+346.1761found346.1762.
(3s,5′s)-1′-(叔丁基氨基甲酰基)-2-氧代螺[二氫吲哚-3,3′-吡咯烷]-5′-甲酸甲酯(26)
白色粉末,產(chǎn)率74.4%,熔點(diǎn)93-95℃。1hnmr(400mhz,cdcl3)δ9.43(s,1h),7.25(t,j=7.8hz,1h),7.16(d,j=7.4hz,1h),7.04(t,j=7.5hz,1h),6.99(d,j=7.7hz,1h),4.84(t,j=8.3hz,1h),4.60(br,1h),3.84(d,j=9.4hz,1h),3.78(s,3h),3.60(d,j=9.3hz,1h),2.58(dd,j=12.7,8.6hz,1h),2.38(dd,j=12.6,8.2hz,1h),1.35(s,9h).13cnmr(100mhz,cdcl3)δ178.2,173.0,156.1,140.2,132.8,128.7,123.1,122.6,110.5,59.0,55.0,53.2,52.5,51.1,39.3,29.3.hrms(esi)calcdforc18h23n3o4(m+h)+346.1761,found346.1756.
(3s,5′s)-1′-(芐基氨基甲酰基)-2-氧代螺[二氫吲哚-3,3′-吡咯烷]-5′-甲酸甲酯(27)
白色粉末,產(chǎn)率52.2%,熔點(diǎn)99-101℃。1hnmr(400mhz,cdcl3)δ9.27(s,1h),7.30-7.19(m,6h),7.13(d,j=7.3hz,1h),7.02(t,j=7.5hz,1h),6.94(d,j=7.7hz,1h),5.22(t,j=5.2hz,1h),4.89(t,j=8.3hz,1h),4.45(d,j=5.4hz,2h),3.81(d,j=9.5hz,1h),3.75(s,3h),3.51(d,j=9.4hz,1h),2.55(dd,j=12.5,8.8hz,1h),2.36(dd,j=12.6,8.1hz,1h).13cnmr(100mhz,cdcl3)δ177.9,172.8,156.8,140.2,139.2,132.6,128.8,128.6(2c),127.5(2c),127.3,123.1,122.6,110.5,59.1,54.7,53.2,52.6,44.7,39.2.hrms(esi)calcdforc21h21n3o4(m+h)+380.1605,found380.1599.
實(shí)施例6:抗煙草花葉病毒活性的測(cè)定,測(cè)定程序如下:
1、病毒提純及濃度測(cè)定:
病毒提純及濃度測(cè)定參照南開大學(xué)元素所生測(cè)室編制煙草花葉病毒sop規(guī)范執(zhí)行。病毒粗提液經(jīng)2次聚乙二醇離心處理后,測(cè)定濃度,4℃冷藏備用。
2、化合物溶液配制:
稱量后,原藥加入dmf溶解,制得1×105μg/ml母液,后用含1‰吐溫80水溶液稀釋至所需濃度;寧南霉素制劑直接兌水稀釋。
3、離體作用:
摩擦接種珊西煙適齡葉片,用流水沖洗,病毒濃度10μg/ml。收干后剪下,沿葉中脈對(duì)剖,左右半葉分別浸于1‰吐溫水及藥劑中,30min后取出,于適宜光照溫度下保濕培養(yǎng),每3片葉為1次重復(fù),重復(fù)3次。3d后記錄病斑數(shù),計(jì)算防效。
4、活體保護(hù)作用:
選長(zhǎng)勢(shì)均勻一致的3-5葉期珊西煙,全株噴霧施藥,每處理3次重復(fù),并設(shè)1‰吐溫80水溶液對(duì)照。24h后,葉面撒布金剛砂(500目),用毛筆蘸取病毒液,在全葉面沿支脈方向輕擦2次,葉片下方用手掌支撐,病毒濃度10μg/ml,接種后用流水沖洗。3d后記錄病斑數(shù),計(jì)算防效。
5、活體治療作用:
選長(zhǎng)勢(shì)均勻一致的3-5葉期珊西煙,用毛筆全葉接種病毒,病毒濃度為10μg/ml,接種后用流水沖洗。葉面收干后,全株噴霧施藥,每處理3次重復(fù),并設(shè)1‰吐溫80水溶液對(duì)照。3d后記錄病斑數(shù),計(jì)算防效。
6、活體鈍化作用:
選長(zhǎng)勢(shì)均勻一致的3-5葉期珊西煙,將藥劑與等體積的病毒汁液混合鈍化30min后,摩擦接種,病毒濃度20μg/ml,接種后即用流水沖洗,重復(fù)3次,設(shè)1‰吐溫80水溶液對(duì)照。3d后數(shù)病斑數(shù),計(jì)算結(jié)果。
抑制率(%)=[(對(duì)照枯斑數(shù)-處理枯斑數(shù))/對(duì)照枯斑數(shù)]×100%
表1螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物衍生物(1-27)的抗tmv活性測(cè)試結(jié)果
從表1中可見,大多數(shù)螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物表現(xiàn)出很高離體抗tmv活性,而且大部分化合物表現(xiàn)出很好的抗煙草花葉病毒(tmv)活體活性,大部分螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物抗煙草花葉病毒活體活性明顯優(yōu)于商品化品種病毒唑。
實(shí)施例7:殺真菌活性的測(cè)定,測(cè)定程序如下:
以番茄早疫病菌為例,可以換成其他菌。
離體測(cè)試方法:將番茄早疫病菌接到pda培養(yǎng)基上培養(yǎng)7天,用打孔器在菌落邊緣制取直徑4cm的菌碟接種到含有50ug/ml和不含藥劑的pda培養(yǎng)基上培養(yǎng)4天,量取菌落直徑,與對(duì)照比較計(jì)算出藥劑的抑制百分率。
表2螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物衍生物(1-27)的殺菌活性測(cè)試結(jié)果
從表2中可見,大多數(shù)螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物衍生物對(duì)14種真菌表現(xiàn)出較高的殺菌活性,具有廣譜的殺菌活性。
實(shí)施例8:殺粘蟲、棉鈴蟲、玉米螟和蚊幼蟲活性的測(cè)定,測(cè)定程序如下:
棉鈴蟲的活性測(cè)試
棉鈴蟲的實(shí)驗(yàn)方法:飼料混藥法,從配置好的溶液中移取3ml加入約27g的剛配置好的飼料中,從而得到稀釋十倍的所需濃度。藥劑混勻后均勻地倒入干凈的24孔板中,晾涼后接入24頭三齡棉鈴蟲,觀察3-4天后檢查結(jié)果。
粘蟲的活性測(cè)試
粘蟲的實(shí)驗(yàn)方法:浸葉法,配置后所需濃度后,把直徑約為5-6cm的葉片浸入藥液中5-6秒,取出,放在吸水紙上晾干,放在指定的培養(yǎng)皿中,接入10頭3齡幼蟲,放入27±1℃的養(yǎng)蟲室中觀察3-4天后檢查結(jié)果。
玉米螟的活性測(cè)試
玉米螟的試驗(yàn)方法:浸葉法,配置后所需濃度后,把直徑約為5-6cm的葉片浸入藥液中5-6秒,取出,放在吸水紙上晾干,放在指定的培養(yǎng)皿中,接入10頭3齡幼蟲,放入27±1℃的養(yǎng)蟲室中觀察3-4天后檢查結(jié)果。
蚊幼蟲的活性測(cè)試
蚊幼蟲的實(shí)驗(yàn)方法:尖音庫(kù)蚊淡色亞種,室內(nèi)飼養(yǎng)的正常群體。稱取供試化合物約5mg于盤尼西林藥瓶中,加5ml丙酮(或適宜溶劑),振蕩溶解,即為1000ppm母液。移取0.5ml母液,加入盛有89.9ml水的100ml燒杯中,選取10頭4齡初蚊子幼蟲,連同10ml飼養(yǎng)液一并倒入燒杯中,其藥液的濃度即為5ppm。放入標(biāo)準(zhǔn)處理室內(nèi),24h檢查結(jié)果。以含有0.5ml試驗(yàn)溶劑的水溶液為空白對(duì)照。
表3螺環(huán)氧化吲哚乙內(nèi)酰(硫)脲衍生物(1-27)殺粘蟲、棉鈴蟲、玉米螟和蚊幼蟲活性測(cè)試結(jié)果
從表3中可見,部分衍生物對(duì)鱗翅目害蟲棉鈴蟲、粘蟲和玉米螟展現(xiàn)出了殺蟲活性。