z,1H),6. 85 (d,J=8. 9Hz,1H),6. 30 (d,J=2 .5Hz, 1H), 5. 66 (d,J=L8Hz, 1H), 4. 51 (s, 1H), 4. 29 - 4. 22 (m, 1H), 4. 06 (s, 1H), 3. 79 (s, 3H) ,3. 20 (s, 1H),2. 12 - 2. 02 (m, 1H),I. 92 -I. 86 (m, 1H) ?
[0190] 13CNMR(125MHz,CDCl3)S170. 60, 156. 31,153. 70, 137. 85, 130. 68, 122. 59, 120. 9 2, 114. 42, 71. 09, 62. 20, 55. 62, 36. 43, 33. 03.
[0191]HR-ESI-MScalcdforC15H18NO5 [M+H]+292. 3071,found292. 3078.
[0192] 化合物4r_13 :棕色固體;反應(yīng)物變成3r,投料量及合成方法不變,得到產(chǎn)物 54. 6mg,產(chǎn)率為 75. 1%。
[0193]
[0194]1HNMR(500MHz,CDCl3)S7.27 (d,J=L9Hz,2H),6.86 (d,J=9. 0Hz,2H),6.31 (d,J=2 .7Hz, 1H), 5. 67 (d,J=L9Hz, 1H), 4. 52 (s, 1H), 4. 30 - 4. 19 (m, 2H), 4. 07 (s, 1H), 3. 79 (s, 3H) ,3. 21 (s, 1H), 2. 14 -I. 99 (m, 1H),L97 -I. 86 (m, 1H).
[0195]13CNMR(125MHz,CDCl3)S170. 62, 156. 27, 153. 70, 137. 84, 130. 71,122. 57, 120. 9 0, 114. 39, 71. 10, 62. 19, 55. 60, 36. 43, 32. 98.
[0196]HR-ESI-MScalcdforC15H18NO5 [M+H]+292. 3071,found292. 3077.
[0197] 化合物4s_14 :黃色固體;室溫下化合物3s(35. 5mg, 0. 25mmol)與對正丁基苯基異 氰酸酯(I. 2eq)溶于二氯甲烷中,滴加三乙胺(I. 2eq),反應(yīng)時間一小時,反應(yīng)溶液水洗,二 氯甲烷萃取,合并有機(jī)相,干燥濃縮過柱得到產(chǎn)物60. 3mg,產(chǎn)率76. 1%。
[0198]
[0199]1HNMR(500MHz,CDCl3) 6 7. 26 (d,J=l. 1Hz, 2H) , 7. 12 (d,J= 8. 3Hz, 2H ),6. 31 (d,J= 2. 6Hz, 1H) , 5. 67 (d,J= 2. 1Hz, 1H) , 4. 52 (t,J= 8. 1Hz, 1H) , 4. 38 - 4. 20 (m, 2H), 4. 07 (s, 1H), 3. 21 (s, 1H), 2. 63 - 2. 49 (m, 2H), 2. 09 - 2. 04 (m, 1H) ,1.95- 1. 91 (m, 1H),L60 -I. 55 (m, 2H),L37 -I. 32 (m, 2H), 0. 91 (t,J=7. 3Hz, 3H).
[0200] 13CNMR(125MHz,CDCl3)S170. 58, 153. 44, 137. 85, 135. 17, 129. 12, 122. 62, 119. 0 5, 71. 06, 62. 20, 36. 41, 35. 06, 33. 77, 33. 07, 22. 38, 14. 05.
[0201] HR-ESI-MScalcdforC18H24NO4 [M+H]+318. 3875,found318. 3869.
[0202] 化合物4r_14 :黃色固體;反應(yīng)物變成3r,投料量及合成方法不變,得到產(chǎn)物 63. 6mg,產(chǎn)率為 80. 2%。
[0203]
[0204]屮匪1?(5001泡,〇0(:13)8 7.27((1,了=1.1取,21〇,7.12((1,了=8.4取,21〇,6.32((1 ,J=2. 7Hz, 1H), 5. 67 (d,J=2. 4Hz, 1H), 4. 52 (t,J=8. 4Hz, 1H), 4. 38 - 4. 21 (m, 2H), 4. 15 -4. 02 (m, 1H), 3. 22 (s, 1H), 2. 58 - 2. 55 (m, 2H), 2. 08 - 2. 04 (m, 1H),L94 -I. 91 (m, 1H),I. 57 (ddd,J=15. 3, 11.I, 7. 6Hz, 2H),I. 34 (dd,J=14. 9, 7. 4Hz, 2H), 0. 91 (t,J=7. 4Hz, 3H).
[0205] 13CNMR(125MHz,CDCl3)S170. 59, 153. 44, 137. 85, 135. 17, 129. 11,122. 62, 119. 0 2, 71. 06, 62. 21,36. 41,35. 06, 33. 77, 33. 07, 22. 38, 14. 04.
[0206] HR-ESI-MScalcdforC18H24NO4 [M+H]+318. 3875,found318. 3871.
[0207] 化合物4s-15 :黃色固體;室溫下化合物3s(35. 5mg, 0. 25mmol)與3, 5-二甲基苯 基異氰酸酯(I. 2eq)溶于二氯甲烷中,滴加三乙胺(I. 2eq),反應(yīng)時間一小時,反應(yīng)溶液水 洗,二氯甲烷萃取,合并有機(jī)相,干燥濃縮過柱得到產(chǎn)物57. 8mg,產(chǎn)率80%。
[0208]
[0209]1HNMR(500MHz,CDCl3) 6 7.01(s, 1H),6. 72(s, 1H),6. 31(d ,J=2.6Hz,lH),5.66(d,J=2.3Hz,lH),4.52(t,J=8.6Hz,lH),4.32-4. 2 0 (m, 1H) , 4. 06 (dd,J= 9. 0,5.7Hz,lH),3.23 - 3.20 (m,lH),2.28(s,6H-),2. 08 - 2. 04 (m, 1H),L93 -I. 89 (m, 1H).
[0210]13CNMR(125MHz,CDCl3)S170. 58, 153. 33, 138. 94, 137. 85, 137. 46, 125. 62, 122. 5 6, 116. 69, 71. 05, 62. 18, 36. 40, 33. 02, 21. 46.
[0211] HR-ESI-MScalcdforC16H20NO4 [M+H]+290. 3343,found290. 3336.
[0212] 化合物4r_15 :黃色固體;反應(yīng)物變成3r,投料量及合成方法不變,得到產(chǎn)物 61. 9mg,產(chǎn)率為 85. 7%。
[0213]
[0214] 1HNMR(500MHz,CDCl3) 6 7. 00(s, 1H), 6. 73(s, 1H), 6. 32(d ,J=2.7Hz,lH),5.67(d,J=2.4Hz,lH),4.52(t,J=8.6Hz,lH),4.31-4.23(m,lH),4.07(dd,J= 9.1,5.6Hz,lH),3.24 - 3.20 (m,lH),2.29(s,6H-),2. 09 - 2. 06 (m, 1H),I. 95 -I. 91 (m, 1H) ?
[0215] 13CNMR(125MHz,CDCl3)S170. 54, 139. 03, 137. 86, 137. 42, 125. 72, 122. 61,116. 6 7, 71. 02, 62. 20, 36. 41, 33. 11, 21. 50.
[0216] HR-ESI-MScalcdforC16H20NO4 [M+H]+290. 3343,found290. 3335.
[0217]化合物4s-16 :黃色固體;室溫下化合物3s(35. 5mg, 0. 25mmol)與3-溴苯基異氰 酸酯(I. 2eq)溶于二氯甲烷中,滴加三乙胺(I. 2eq),反應(yīng)時間一小時,反應(yīng)溶液水洗,二氯 甲烷萃取,合并有機(jī)相,干燥濃縮過柱得到產(chǎn)物67. 8mg,產(chǎn)率80%。
[0218]
[0219] 屮匪1?(50010^,0)(:13)8 7.65(8,111),7.28((1,了=8.0取,111),7.21((1,了=8.0取, 1H),7. 17 (dd,J=7. 9, 2. 8Hz, 1H),6. 32 (d,J=2. 7Hz, 1H),5. 68 (d,J=2. 3Hz, 1H),4. 53 (t,J= 8. 6Hz, 1H),4. 34 - 4. 25 (m, 2H),4. 08 (dd,J=9.I, 5. 5Hz, 1H),3. 23 - 3. 21 (m, 1H),2. 09 - 2. 05 (m, 1H),I. 96 -I. 92 (m, 1H).
[0220] 13CNMR(125MHz,CDCl3)S170. 64, 153. 00, 153. 00, 139. 01,137. 80, 130. 52, 126. 8 7, 122. 94, 122. 71, 121. 81, 117. 32, 70. 96, 62. 52, 36. 38, 33. 00.
[0221] HR-ESI-MScalcdforC14H15BrNO4 [M+H]+340. 1693,found340. 1715.
[0222] 化合物4r_16 :黃色固體;反應(yīng)物變成3r,投料量及合成方法不變,得到產(chǎn)物 69.lmg,產(chǎn)率為 81. 5%。
[0223]
[0224]1HNMR(500MHz,CDCl3)S7. 65 (s,1H),7. 28 (d,J=7. 6Hz,1H),7. 23 - 7. 19(m ,1H),7. 16 (t,J=7. 9Hz, 1H),6. 32 (d,J=2. 7Hz, 1H),5. 68 (d,J=2. 4Hz, 1H),4. 55 -4. 51 (m, 1H),4. 32 - 4. 24 (m, 2H),4. 08 (dd,J=9. 2, 5. 5Hz, 1H),3. 25 - 3. 19 (m, 1H),2. 10 -2. 04 (m, 1H),I. 97 -I. 89 (m, 1H).
[0225] 13CNMR(125MHz,CDCl3)S170. 59, 153. 00, 139. 04, 137. 80, 130. 51,126. 85, 122. 9 2, 122. 71, 121. 81, 117. 36, 70. 98, 62. 52, 36. 39, 32. 98.
[0226] HR-ESI-MScalcdforC14H15BrNO4 [M+H]+340. 1693,found340. 1713.
[0227] 實施例2 :8個苯甲酸取代的滇南洋耳菊內(nèi)酯類似物的合成方法
[0228]
[0229] 化合物5s_l~8通用合成方法:室溫下化合物3s與苯環(huán)上不同取代的苯甲酸 (1.2eq)溶于二氯甲烷中,加入EDCI(1.2eq)和DMAP(0. 02eq),反應(yīng)時間兩小時,反應(yīng)溶液 水洗,二氯甲烷萃取,合并有機(jī)相,干燥濃縮過柱得到產(chǎn)物。
[0230] 上述化合物的1H-NMrJ3C-NMR和高分辨質(zhì)譜等數(shù)據(jù)如下所示:
[0231] 化合物5s_l:白色固體;室溫下化合物3s(35. 5mg,0. 5mmol)與苯甲酸(I. 2eq)溶 于二氯甲烷中,加入EDCI(I. 2eq)和DMP(0. 02eq),反應(yīng)時間兩小時,反應(yīng)溶液水洗,二氯 甲烷萃取,合并有機(jī)相,干燥濃縮過柱得到產(chǎn)物46. 6g,產(chǎn)率為75.8%。
[0232]
[0233]1H匪R(500MHz,CDCl3)S8. 05 (d,J=7. 96Hz,2H),7. 57 (t,J=7. 66Hz,1H),7. 4 6 (t,J=7. 96, 7. 66Hz, 2H), 6. 20 (d,J=2. 85Hz, 1H), 5. 54 (d,J=2. 85Hz, 1H), 4. 80 (td,J=6 .83, 2. 70Hz, 2H), 4. 55 (dd,J=9. 15, 7. 80Hz, 1H), 3. 81 (dd,J=9. 15, 4. 60Hz, 1H), 3. 08 - 3. 12 (m, 1H), 2. 07 - 2.ll(m, 1H),I. 81 -I. 86 (m, 1H).
[0234] 13CNMR(125MHz,CDCl3)S170. 42, 166. 35, 138. 68, 133. 00, 130. 14, 129. 76, 129. 7 6, 128. 48, 128. 48, 118. 83, 70. 93, 62. 95, 39. 27, 31. 15.
[0235] HR-ESI-MScalcdforC14H14O4Na[M+Na]+269. 2483,found269. 2473.
[0236] 化合物5s_2 :白色固體;室溫下化合物3s(35. 5mg, 0. 5mmol)與對溴苯甲酸 (1.269) 溶于二氯甲烷中,加入£0(:1(1.269)和0嫩?(0.0269),反應(yīng)時間兩小時,反應(yīng)溶液 水洗,二氯甲烷萃取,合并有機(jī)相,干燥濃縮過柱得到產(chǎn)物69. 5g,產(chǎn)率為85. 8%。
[0237]
[0238]1HNMR(500MHz,CDCl3)S7. 89 (d,J=8. 46Hz,2H),7. 58 (d,J=8. 46Hz,2H),6. 20(d ,J=2. 85Hz, 1H), 5. 54 (d,J=2. 85Hz, 1H), 4. 80 (td,J=6. 83, 2. 70Hz, 2H), 4. 55 (dd,J=9. 15, 7 .80Hz, 1H), 3. 82 (dd,J=9. 15, 4. 60Hz, 1H), 3. 06 - 3. 15 (m, 1H), 2. 05 - 2. 14 (m, 1H),L80 -I. 87 (m, 1H).
[0239] 13CNMR(125MHz,CDCl3)S170. 42, 165. 54, 138. 68, 133. 16, 133. 16, 131. 80, 131. 8 0, 129. 64, 127. 90, 118. 86, 70. 96, 62. 93, 39. 32, 31. 18.
[0240] HR-ESI-MScalcdforC14H14O4Br[M+H]+326. 1626,found326. 1619.
[0241] 化合物5s-3:白色固體;室溫下化合物3s(35. 5mg,0. 5mmol)與對碘苯甲酸 (1.269) 溶于二氯甲烷中,加入£0(:1(1.269)和0嫩?(0.0269),反應(yīng)時間兩小時,反應(yīng)溶液 水洗,二氯甲烷萃取,合并有機(jī)相,干燥濃縮過柱得到產(chǎn)物80. 6g,產(chǎn)率為86. 7%。
[0242]
[0243]1HNMR(500MHz,CDCl3)S7. 78 (d,J=8. 29Hz,2H),7. 59 (d,J=8. 29Hz,2H),6. 20(d ,J=2. 85Hz, 1H), 5. 53 (d,J=2. 85Hz, 1H), 4. 79 (td,J=6. 83, 2. 70Hz, 2H), 4. 54 (dd,J=9. 15, 7 .80Hz, 1H), 3. 81 (dd,J=9. 15, 4. 60Hz, 1H), 3. 05 - 3. 12 (m, 1H), 2. 04 - 2. 12 (m, 1H),L80 - 1. 86 (m, 1H)
[0244] 13CNMR(125MHz,CDCl3)S170. 42, 165. 79, 138. 68, 136. 75, 136. 75, 130. 31,130. 3 I, 129. 57, 118. 83, 98. 61, 70. 93, 62.