20. 9 (3 X C0CH3).
[0110] 2d :白色粉末，Rf = 0· 3(石油醚-乙酸乙酯2:1)。4 NMR(400MHz，CDC13) δ 5. 14(1Η, dd, J2i3 = J3i4 =8. 8Hz,H-3),4. 96(1H, ddd, J4i5a = 9.6Hz,J3j4 = 8. 8Hz,J4j5e =5. 2Hz,H-4),4. 89(1H, dd, Jli2 = J2_3 = 8.8Hz, H-2), 4. 54 (1H, dd, JljSH = 10. 0Hz, Jlj2 =8. 8Hz,H-l)4. 18(1H, dd, J5a_5e = 11.6Hz, J4_5e = 5. 2Hz, H-5e), 3. 36 (1H, dd, J5a_5e = 11.6Hz, J4i5a = 9. 6Hz,H-5a), 2. 26 (1H, d, JljSH = 10.0 Hz, SH), 2. 06, 2. 02, 2. 02(9H, 3Xs, CO CH3) · 13C NMR (100MHz, CDC13) δ 170. 2, 170. 0, 169. 9 (3 X C0CH3)，79. 2 (C-l)，73. 5 (C-3)，72. 6 (C-2),68.8(C-4),66. 5 (C-5) ,21.0, 20. 9, 20. 9 (3 X C0CH3).
[0111] 2e :白色固體，Rf = 0· 3(石油醚-乙酸乙酯2:1)。4 NMR(400MHz, CDC13) δ 5. 28 (1Η, ddd, J3i4 = 3.6Hz, J4,5a = 2.8Hz, J4,5e = 1.6Hz, H-4), 5. 17 (1H, dd, Jlj2 = J2,3 = 9. 2Hz, H-2), 5. 02 (1H, dd, J2_3 = 9. 2Hz, J3_4 = 3.6Hz, H-3), 4. 53 (1H, dd, JljSH = 9.6Hz, Jlj2 =9. 2Hz,H-l),4. 06(1H, dd, J5a_5e = 13. 2Hz, J4_5a = 2.8Hz, H-5a), 3. 67 (1H, dd, J5a_5e = 13. 2Hz, J4i5e = 1. 6Hz,H-5e), 2. 35 (1H, d, JljSH = 9.6Hz, SH), 2. 13, 2. 08, 2. 01(9H, 3Xs, COC H3). 13C NMR(100MHz, CDC13) δ 170. 5, 170. 1，170. 0(3XC0CH3), 79. 3(C-1), 71. 5(C-3), 71. 0 (C-2),68. 1 (C-4), 67. 3 (C-5), 21. 1,21. 1, 20. 9 (3 X C0CH3).
[0112] 2f:白色固體，Rf = 0.6(二氯甲烷-甲醇20:1)。4 NMR (400MHz, CDC13) δ 5. 59 (1H, d, J2jNH = 9.6Hz,NHAc), 5. 11 (1H, dd, J2_3 = J3_4 = 9. 6Hz,H-4), 5. 05 (1H, dd, J3_4 =J4i5 = 9.6Hz,H-3),4. 55(lH,dd, Jli2 = 9.6Hz,J1jSH = 9. 2Hz, H-l), 4. 22 (1H, dd, J6a,6b =12.4Hz,J5j6a = 4.8Hz,H-6a),4.10(lH,dd,J6aj6b = 12.4Hz,J5j6b = 2. 4Hz, H-6b), 4. 07(1H, ddd, Jli2 = J2_3 = J2jNH = 9.6Hz, H-2), 3.66(1H, ddd, J4_5 = 9.6Hz, J5i6a = 4.8Hz, J5j6b = 2. 4Hz, H-5), 2. 55 (1H, d, JljSH = 9. 2Hz, SH), 2. 08, 2. 02, 2. 01, 1 .96(12H, 4Xs, C0CH3).
[0113] 2g:白色粉末，Rf = 0.42(石油醚-乙酸乙酯1:1)。α/β = 1.4:1). α：NMR (400MHz，CDC13) δ 5· 75 (1Η，ddd，JliSH =6. 0Hz, Jlj2ax = 5.6Hz,Jli2eq = 1.0Hz,H-l),5.24(lH, ddd, J2aXi3 = 11.2Hz,J3j4 = 9. 2Hz, J2eq,3 = 4.8Hz, H-3), 4. 98(1H, dd, J4i5 = 10.0 Hz, J3_4 = 9. 2Hz, H-4), 4. 38 (1H, ddd, J4_5 = 10.0Hz,J5i6a = 4. 4Hz,J5i6b = 2. 0Hz,H-5),4. 32(1H, dd, J6a,6b = 12. 4Hz, J5,6a = 4. 4Hz, H-6a), 4. 06(1H, dd, J6ai6b = 12. 4Hz, J5j6b = 2. OHz, H-6b), 2. 26 (1H, ddd, J2eqj2ax =13.6Hz, J2eqi3 = 4.8Hz, Jli2eq = 1. OHz, H-2eq), 2. 17 (1H, ddd, J2eqj2ax = 13.6Hz, J2ax_3 =11. 2Hz, Jli2ax = 5. 6Hz,H-2ax),2. 16(1H, d, JljSH =6. OHz, SH), 2. 06, 2. 03, L 99 (9H, 3 Xs，C0CH3).@:1HMMR(400MHz，CDCl3)4.98(lH，ddd，J2ax,3=12.0Hz，J3,4 = 9.6Hz，J2eq,3 =4. OHz, H-3), 4. 96(1H, dd, J4i5 = 9.6Hz, J3_4 = 9.6Hz, H-4), 4. 71 (1H, ddd, Jlj2ax =11.2Hz,J1iSH =8.8Hz,Jli2eq = 2. OHz, H-l), 4. 22 (1H, dd, J6a,6b = 12. 4Hz, J5,6a = 5. 2Hz, H-6a), 4. 03(1H, dd, J6ai6b = 12. 4Hz, J5j6b = 2. OHz, H-6b), 3. 62 (1H, ddd, J4_5 =9.6Hz,J5i6a = 5. 2Hz,J5i6b = 2. OHz, H-5), 2. 50 (1H, ddd, J2eqj2ax = 12.8Hz, J2eqj3 = 4.0Hz,Jli2eq = 2.0Hz,H-2eq),2. 47(lH,d, JliSH =8.8Hz, SH), L 84 (1H, ddd, J2eq,2ax = 12.8Hz, J2aXi3 = 12. OHz, Jli2ax = 11. 2Hz, H-2ax), 2. 06, 2.01,2. 00 (9H, 3 X s, C0CH3).
[0114] 2h:無色油狀，Rf = 0.48(石油醚-乙酸乙酯2:1)。4 NMR(400MHz，CDC13) δ8. 04-7. 25(20H, m, Ar-H), 5. 88(1H, dd, J2i3 = J3_4 = 9.6Hz, H-3), 5. 71 (1H, dd, J3_4 =J4i5 = 9.6Hz,H-4),5. 50(lH,dd, Jli2 = J2,3 = 9.6Hz, H-2), 4. 90 (1H, dd, Jlj2 = JljSH =9. 6Hz,H-l),4. 43(1H, dd, J6a,6b = 12. 4Hz, J5,6a = 2. 8Hz, H-6a), 4. 22 (1H, dd, J6a,6b =12. 4Hz, J56b = 4.8Hz, H-6b), 4. 17 (1H, ddd, J45= 10.0 Hz, J56b = 4.8Hz, J56a = 2.8Hz, H-5), 2. 47 (1H, d, JljSH = 9.6Hz, SH).
[0115] 2i :白色固體，Rf = 0· 45(石油醚-乙酸乙酯2:1)。蟲NMR(400MHz, CDC13) δ8. 0 6-7. 22 (20Η, m, Ar-H),6. 02 (1H, dd, J3_4 = 2. 7Hz, J4_5 = 0.8Hz, H-4), 5. 75 (1H, dd, Jlj2 = J2_3 =9.6Hz, H-2), 5. 61 (1H, dd, J2_3 = 9.6Hz, J3_4 = 2. 7Hz, H-3), 4. 90 (1H, dd, Jlj2 = JljSH = 9.6Hz, H-l)，4. 64 (1H, dd, J6a,6b = 10. 4Hz, J5,6b = 5.6Hz, H-6a)，4. 42-4. 34 (2H, m, H-6b, H-5 ),2. 56 (1H, d, JljSH = 9.6Hz, SH).
[0116] 2j :白色粉末，Rf = 0. 32(石油醚-乙酸乙酯1:1):Η NMR(400MHz,CDC13) δ8. 10-7 .22 (20H, m, Ar-H),6. 01 (1H, dd, J3_4 = J4_5 = 10.0 Hz, H-4), 5. 93 (1H, dd, J2_3 = 3. 2Hz, Jlj2 = 0.8Hz, H-2), 5. 63 (1H, dd, J3_4 = 10.0 Hz, J2_3 = 3. 2Hz, H-3), 5. 17 (1H, dd, JljSH = 10.0 Hz, Jlj2 =0. 8Hz,H-l),4. 70(1H, dd, J6a,6b = 12. 4Hz, J5,6a = 2. 8Hz, H-6a), 4. 47 (1H, dd, J6a,6b =12.4Hz,J5j6b = 4. 4Hz, H-6b), 4. 17 (1H, ddd, J4i5 = 10.0 Hz, J5j6b = 4. 4Hz, J5j6a =2.8Hz, H-5), 2. 63(1H, d, JljSH = 10.0 Hz, SH). 13C NMR (100MHz, CDC13) δ 166. 3, 165.8, 165. 5, 165. 5 (4 X OCOPh), 133. 9, 133. 7, 133. 5, 133. 3, 130. 2, 130. 2, 130. 0 ,130. 0, 130. 0, 130. 0, 130. 0, 130. 0, 130. 0, 130. 0, 129. 1, 129. 0, 128. 9, 128. 9, 12 8.7, 128.7, 128.6, 128.6, 128.5, 128.5 (24XC-Ar), 77. l(C-l), 77. l(C-5), 73.2 (C-3), 72. 7 (C-2)，66. 3 (C-4)，63. 2 (C-6) ·
[0117] 2k :無色油狀，Rf = 0· 5(石油醚-乙酸乙酯3:1)。4 NMR(400MHz，CDC13) δ 7. 32 - 7. 10 (15H, m, Ar-H), 4. 94 (1H, dd, J1i2 = JljSH = 10.0 Hz, H-l), 4. 81 -4. 50 (6H, m, 3 X CH2Ph), 4. 39 (1H, dd, Jlj2 = J2j3 = 10.0 Hz, H-2), 3. 75 - 3.66(4H, m, H-3, H-4, H-6a, H-6b), 3. 48 (1H, ddd, J4_5 = 10.0 Hz, J5j6a = 4. 4Hz, J5j6b = 2. 4Hz, H-5), 2. 25 (1H, d, JljSH =10.0 Hz，SH)，1. 97(3H，s，C0CH3) ;13CNMR(100MHz，CDC13) δ 170. 1 (C0CH3)，138. 3, 138. 1，13 8. 0, 128. 7, 128. 7, 128. 7, 128. 7, 128.6, 128.6, 128. 2, 128. 2, 128. 1, 128. 1, 128. 1, 128. 0, 1 28. 0, 128. 0, 127. 9 (18 X C-Ar)，84. 3 (C-l)，80. 0 (C-2)，79. 1 (C-5)，77. 9 (C-3)，75.8(C-4)， 75. 5, 75. 3, 73.8(3 X PhCH)