6Hz, 1H), 7. 26 (d,J= 7. 6Hz, 2H), 7. 08 (t,J= 7. 6Hz, 1H), 6. 06 (s, 1H), 4. 57 (s, 2H), 2. 39 (s, 3H).
[0074] A10:
[0075]
[0076] 石油醚淋洗;無色油狀物,順式:反式=1:1,總產(chǎn)率:76% ;
[0077]順S-A10:1HNMR(400MHz,CDCl3)S8.31(dd,J= 8.0,1.6Hz,lH),7.28-7. 23(m,lH),6.96(dt,J= 8.0, 1.2Hz,1H),6.89 (dd,J= 8.0, 1.2Hz,1H),6.07 (t,J= 1. 2Hz, 1H), 4. 32 (t,J= 5. 6Hz, 2H), 2. 64 (td,J= 5. 6, 1. 2Hz, 2H).
[0078] 反式-A10:4NMR(400MHz,CDC13)S7. 41 (dd,J= 8. 0, 1. 6Hz, 1H),7. 20-7. 14 ( m, 1H), 6. 91-6. 84 (m, 2H), 6. 61 (t,J= 1. 8Hz, 1H), 4. 21 (t,J= 1. 8Hz, 2H), 2. 82 (td,J= 6. 0, 1. 6Hz, 2H);13CNMR(101MHz,CDC13)S154. 1,131. 4, 129. 6, 123. 5, 121. 1,
[0079] 120. 3, 117. 9, 111. 9, 65. 6, 26. 2 ;IR(薄膜):vnax(cm 3 = 3061,1649, 1500, 1460 ,1238, 1090, 805, 744;HRMS(El)calcdfor(M+)C10H9C10:180. 0342,Found: 180. 0343.
[0080]
[0081] 在氬氣保護(hù)下,冰浴條件下,向一干燥反應(yīng)管中依次加入2-炔丙氧基苯胺類化合 物(0. 5mmol),丙酮(3.OmL),溴化氫的水溶液(0. 18mL),攪拌5分鐘后,向體系中加叔丁 基亞硝酸酯(0. 08mL),反應(yīng)體系冰浴下攪拌15min后加入醋酸亞銅(0.lmmol),補(bǔ)加丙酮 2. OmL,于冰浴或室溫下繼續(xù)反應(yīng)l-3h結(jié)束,停止攪拌,減壓除去溶劑,飽和硫代硫酸鈉水 溶液洗滌,二氯甲烷萃取,無水硫酸鈉干燥,減壓除去溶劑,柱層析,淋洗劑:乙酸乙酯和石 油醚,收集組分,得相應(yīng)產(chǎn)物B。
[0082]B1 :
[0083]
[0084] 石油醚淋洗;無色油狀物,順式:反式=2:1,總產(chǎn)率:87% ;
[0085] 順式-Bl:1!!匪R(400MHz,CDC13)S7. 31 (d,J= 7. 6Hz,1H),7. 20(t,J= 7. 8Hz, 1H), 6. 94-6. 86(m, 2H), 6. 37(t,J= 2. 8Hz, 1H), 5. 13 (d,J= 2. 8Hz, 2H);13C NMR(101MHz,CDC13)S163. 8, 139. 1,130. 5, 123. 4, 121. 0, 120. 3, 110. 9, 95. 7, 74. 3 ;IR(薄 膜):vnax(cm 3 = 3060, 1635, 1500, 1460, 1250, 1080, 889, 672;HRMS(El)calcdfor(M+)C9H 7Br0:209. 9680,Found: 209. 9679
[0086]反式-Bl:1!!NMR(400MHz,CDC13)S8. 04(d,J= 8. 0Hz,1H),7. 31-7. 27(m,1H) ,6.96(t,J= 7. 8Hz,lH),6.85 (d,J= 8.0Hz,1H),5.96 (t,J= 2. 6Hz,lH),5.08 (d,J= 2. 6Hz,2H);13CNMR(101MHz,CDC13)S163. 8, 139. 1,130. 7, 125. 4, 123. 2, 120. 6, 110. 9, 95 ? 9, 74. 3 ;IR(薄膜):vnax(cm 3 = 3061,1500, 1460, 1250, 1080, 980, 890, 672 ;HRMS(EI) calcdfor(M+)C9H7BrO: 209. 9680,Found: 209. 9679.
[0087] B2 :
[0088]
[0089] 石油醚淋洗;無色油狀物,順式:反式=2:1,總產(chǎn)率:85% ;
[0090] 順式-B2:4 匪R(400MHz,CDC13)S6. 89 (dd,J= 7. 8, 2. 8Hz, 1H),6. 83 (td,J =8. 6, 2. 8Hz, 1H), 6. 76(dd,J= 8. 6, 4. 0Hz, 1H), 6. 31 (t,J= 3. 4Hz, 1H), 5. 17 (d,J= 3.4Hz,2H);13CNMR(101MHz,CDCl3)Sl59.3(d,J= 1.4Hz),158.8,156.4,138.9(d,J= 3. 2Hz),124. 3 (d,J= 9. 4Hz),118. 9 (d,J= 24. 9Hz),111. 4 (d,J= 8. 6Hz),98. 0 (dd,J= 13.2,10.2抱),74.9;1乍匪1?(3761抱,吣116)5-125.3 ;11?(薄膜):丫|11狀(〇111)= 3061, 1635, 1502, 1460, 1246, 1211, 1080, 678;HRMS(El)calcdfor(M+)C9H6BrF0: 227. 9586,Fou nd:227. 9588.
[0091] 反式-B2:iH匪R(400MHz,CDC13)S7. 71 (dd,J= 8. 6, 2. 6Hz, 1H), 6. 93(td,J =8. 8, 2. 6Hz, 1H), 6. 78(dd,J= 8. 8, 4. 0Hz, 1H), 6. 04 (t,J= 2. 8Hz, 1H), 5. 11 (d,J =2. 8Hz, 2H);13CNMR(101MHz,CDC13) 8 160. 5 (d,J= 1. 3Hz) , 157. 2 (d,J= 237. 3Hz),136. 5 (d,J= 3. 2Hz),124. 9 (d,J= 9. 9Hz),117. 8 (d,J= 24. 9Hz),112. 2 (d,J= 26.3Hz),110.6 (d,J= 8. 4Hz),97.6 (d,J=1.0Hz),74.9;19FNMR(376MHz,None)S-125.2 ; IR(薄膜):vnax(cm3 = 3061,1502, 1460, 1245, 1211,1080, 980, 678 ;
[0092] HRMS(El)calcdfor(M+)C9H6BrF0:227. 9586,Found: 227. 9584.
[0093] B3 :
[0094]
[0095] 石油醚淋洗;無色油狀物,順式:反式=1. 7:1,總產(chǎn)率:86% ;
[0096] 順式-BS:1!!匪R(400MHz,CDC13)S7. 23(d,J= 2. 0Hz,1H),7. 15(dd,J= 8. 8, 2. 4Hz, 1H), 6. 73 (d,J= 8. 8Hz, 1H), 6. 38 (t,J= 3. 6Hz, 1H), 5. 15 (d,J= 3. 6Hz, 2H); 13C匪R(101MHz,CDC13)S162. 4, 138. 0, 130. 0, 126. 4, 123. 0, 120. 5, 110. 9, 97. 2, 74. 9 ; IR(薄膜):vnax (cm1) = 3061,1640, 1500, 1460, 1235, 1080,674,730;HRMS(El)calcd for(M+)C9H6BrC10:243. 9291,Found: 243. 9290.
[0097]反式-B3:iH匪R(400MHz,CDC13)S8. 00(d,J= 2. 4Hz, 1H), 7. 16(dd,J= 8. 6, 2. 4Hz, 1H), 6. 75 (d,J= 8. 6Hz, 1H), 6. 07 (t,J= 2. 4Hz, 1H), 5. 11 (d,J= 2. 4Hz, 2H); 13C匪R(101MHz,CDC13)S163. 0, 135. 9, 131. 0, 125. 7, 124. 9, 124. 5, 110. 3, 97. 5, 74. 9 ; IR(薄膜):vnax(cm 3 = 3061,1500, 1460, 1250, 1080, 975, 674, 730;HRMS(El)calcd for(M+)C9H6BrC10:243. 9291,Found: 243. 9290.
[0098] B4 :
[0099]
[0100] 石油醚淋洗;無色油狀物,順式:反式=2:1,總產(chǎn)率:81% ;
[0101] 順式-B4:iHNMR(400MHz,CDC13)S7. 13(s,1H),7. 02(d,J= 8. 4Hz,1H),6. 75 (d,J= 8. 4Hz, 1H), 6. 33(t,J= 3. 2Hz, 1H), 5. 12 (d,J= 3. 2Hz, 2H), 2. 30 (s, 3H).13C NMR(101MHz,CDC13)S162. 0, 139. 4, 131. 5, 128. 4, 123. 3, 120. 7, 110. 5, 95. 5, 74. 4, 20. 8 ; IR(薄膜):vnax (cm1) = 3060, 1649, 1500, 1450, 1375, 1250, 1080,674;HRMS(El)calcd for(M+)C10H9BrO: 223. 9837,Found: 223. 9834.
[0102] 反式-B4:蟲NMR(400MHz,CDC13)S7. 84 (s, 1H),7. 05 (d,J= 8. 2Hz, 1H),6. 78 (d,J =8. 2Hz,lH), 5.99 (t,J=1.4Hz,lH), 5.09 (d,J= 1.6Hz,2H) ,2.32(s,3H).13C 匪R(101MHz,CDC13)S162. 6, 137. 1,131. 9, 128. 2, 126. 0, 124. 0, 109. 9, 95. 6, 74. 4, 21. 0 ;IR(薄膜):vnax(cm3 = 3060, 1500, 1450, 1375, 1250, 1080, 980, 674;HRMS(El)calcd for(M+)C10H9BrO: 223. 9835,Found: 223. 9833.
[0103]B5 :
[0104]
[0105] 石油醚淋洗;無色油狀物,順式:反式=1. 8:1,總產(chǎn)率:74% ;
[0106]順式-BS:1!! NMR(400MHz,CDC13) S 7. 36(dd,J = 7. 8, 1. 2Hz 1H),7. 21 (dd,J = 7. 8, 1. 2Hz, 1H), 6. 78(t,J=7. 8Hz, 1H), 6. 42(t,J=3. 2Hz, 1H), 5. 21 (d,J =3. 2Hz, 2H); 13C匪R(101MHz, CDC13) S 160. 6, 137. 7, 133. 5, 124. 8, 121. 4, 118. 5, 106. 5, 94. 3, 74. 5 ; IR(薄膜 =3061,1635,1500,1460,1250,1080,672,668;HRMS(EI)calcd for (M+) C9H6Br20:287. 8781, Found: 287. 8784.
[0107]反式-B5:4NMR(400MHz,CDC13)S7.95 (dd,J= 7.6, 1.2Hz, 1H), 7.41 (dd,J= 7. 6, 1. 2Hz, 1H), 6. 80 (t,J= 7. 8Hz, 1H), 6. 09 (t,J= 2. 8Hz, 1H), 5. 17 (d,J = 2. 8Hz, 2H); 13C匪R(101MHz,CDC1