苯并呋喃喹啉衍生物及其在制备治疗阿尔茨海默病症的药品中的应用_3

文档序号:9539360阅读:来源:国知局
).Ih匪R(400MHz,CDCl3) 5 8.96 (dd,J =4. 1, 1. 6Hz, 1H) , 8. 50 (dd,J= 8. 6,I. 6Hz,IH) , 8. 14 (s,IH) , 7. 62 (d,J= 16.IHz,IH), 7. 48(dd,J= 8. 6, 4.IHz,IH),7. 42 (d,J= 16.IHz,IH),7. 19 (d,J= 3.OHz,IH),7. 12 (d,J= 9.OHz,IH),6. 84 (dd,J= 9. 0, 3.OHz,IH),5. 21 (s, 2H),4. 18 (s, 3H) ,3. 85 (s, 3H),3. 53 (s, 3H). LC/MS(ESI) : 478. 0 [M+H] +.
[0092] (4)巧)-4-甲氧基-2-(7-舰-8-甲氧基哇嘟-5-乙締基)苯酪的合成
[0093]
[0094]在100血的圆底烧瓶中加入似-5-(2-甲氧基甲基-4-甲氧基苯乙締 基)-7-舰-8-甲氧基哇嘟,10血甲醇和1血浓盐酸,其他具体实施步骤同实施例1 中步骤 6,产率 86 %。Rf= 0.23 (petroleum/化OAc= 2/1).咱NMR(400MHz,DMSO) 5 8. 95 (dd,J= 4. 1,1.甜Z,1H),8. 80 (dd,J= 8. 7, 1.甜Z,1H),8. 14(S,1H),7. 73 (dd,J= 12. 7, 8. 8Hz, 2H),7. 65 (dd,J= 8. 6, 4.IHz, 1H),7. 37 化J= 16.IHz, 1H),6. 55 - 6. 42 (m, 2H ),4. 05(S,3H),3. 75(S,3H). LC/MS(ESI):434. 0 [M+H] 阳0巧]巧)5-(5-甲氧基苯并巧喃-2-取代)-7-舰-8-甲氧基哇嘟的合成[0096]
[0097] 在100血的圆底烧瓶中加入巧)-4-甲氧基-2- (7-舰-8-甲氧基哇嘟-5-乙 締基)苯酪,六倍当量的碳酸钟和舰,其他具体实施步骤同实施例1中步骤7,产 率 72 %。Rf= 0.30(pe化oleum/化OAc= 5/1).古NMR(400MHz,CDCI3) 58. 99 (dd,J =4. 1, 1.6Hz, 1H) ,8. 81 (dd,J=8. 7,I.6Hz,IH) ,8. 27 (s,IH) , 7. 52 (dd,J=8.6, 4.IHz,IH),7. 48 (d,J=8. 9Hz,IH),7. 11 (d,J= 2.6Hz,IH),7. 05 -6. 90 (m, 2H),4. 22 ( s, 3H), 3. 89 (s, 3H).LC/MS(ESI) : 432. 0 [M+H]
[0098] 化)5- (5-径基苯并巧喃-2-取代)-7-舰-8-径基哇嘟的合成
[0099]
[0100] 在100血的圆底烧瓶中加入5-巧-甲氧基苯并巧喃-2-取代)-7-舰-8-甲氧 基哇嘟,六倍当量的=漠化棚,其他具体实施步骤同实施例1中步骤8,产率75%。Rf= 0. 25 (CH2CI2/CH3OH= 20/1),mp159.7-160.2°C.古NMR(400MHz,DMSO) 58. 97 化J= 3.OHz, 1H),8.87 化J=8. 5Hz, 1H),8.23(S,1H),7. 75 (dd,J=8.6, 4.OHz, 1H),7. 48 化J =8.細z,m),7. 24(s,lH),7. 01(d,J= 2. 3Hz,m),6. 80(dd,J=8. 8,2. 3Hz,lH).UC 醒RdOlMHz,DMSO) 5 154. 62, 153. 44, 153. 19, 149. 01,148. 49, 137. 22, 135. 93, 134. 30, 129. 36, 125. 37, 123. 11, 119. 56, 119. 53, 113. 28, 111. 32, 105. 30, 79. 32.HRMS(ESI)m/ z[M_H]forC口H10NO3Ipred. 401. 9633,meas. 401. 9622;HPLCpu;rity:96. 75%,retention time:8. 039min. 阳101] 实施例4 :5-(6-径基苯并巧喃-2-取代)-8-径基哇嘟 阳102]
阳1〇引具体实施步骤类似于实施例1,产率67 %。Rf= 0. 24畑2CI2/CH3OH=10/l),mpl99.7-200.6°C.iHMffi(400MHz,CDCl3) 5 8.84(dd,J= 5.6,1.5Hz,lH) ,8. 83(s,lH),7. 85(d,J=8. 0Hz,lH),7. 54(dd,J=8. 3,4. 5Hz,lH),7. 47(d,J= 8. 4Hz,IH),7. 24 (s,IH),7. 07 (d,J=I.細z,IH),6.88(d,J= 0.細z,IH),6. 83 (dd,J =8. 4, 2. 2Hz,IH)."c匪R(101MHz,Me0D) 5 157. 40, 156. 80, 154. 97, 154. 93, 149. 34, 139. 92, 135. 62, 129. 21, 127. 67, 123. 35, 122. 96, 122. 04, 120. 63, 113. 33, 111. 58, 10 5. 50, 98. 56.HRMS(ESI)m/z[M-H]forC口H"N〇3pred. 276. 0666,meas. 276. 0662 ;册LC purity:97. 87% ,retentiontime: 10. 323min.
[0104] 实施例5 :5- (6-径基苯并巧喃-2-取代)-7-氯-8-径基哇嘟 阳1化]
[0106] 具体实施步骤类似于实施例2,产率62%。3:=0.23(邸2(:12/邸3地=20/1),111口 211.0-211.8 °C .?醒R (400MHz, DMSO) 5 9.00 (dd, J = 4.1,1. 4Hz,lH),8.88(dd, J =8. 7, I. 4Hz, IH) , 7. 95 (s, IH) , 7. 73 (dd, J =8. 7, 4. IHz, IH) , 7. 49 (d, J = 8. 4Hz, IH),7. 27 (s, IH),7. 04 (d, J = I. 5Hz, IH),6. 82 (dd, J =8. 4, 2. IHz, IH). "c 醒RdOlMHz, DMSO) 5 155. 81,155. 46, 151. 17, 149. 80, 149. 12, 138. 74, 134. 19, 127.68, 124. 21, 122.66, 121. 26, 120. 61, 118. 69, 115. 60, 112. 59, 105. 45, 97. 53. HRMS(ESI)m/ z[M_H] for C口H10NO3CI町ed. 310. 0276,meas. 310. 0262 ;HPLC pu;rity:97. 70%,retention time:13. 463min.
[0107]实施例6:5- (6-径基苯并巧喃-2-取代)-7-舰-8-径基哇嘟 阳10引
阳1〇9]具体实施步骤类似于实施例3,产率67 %。Rf = 0. 24畑2CI2/CH3OH = 20/1),mp 175. 4-176. 5 °C .? NMR (400MHz, DMSO) 5 8.95化J = 3.6Hz, 1H), 8.84化J =8.細z,lH),8. 19(s,lH),7. 73(dd,J =8. 6,4. 0Hz,lH),7. 48(d,J =8. 4Hz,lH),7 .23(s,lH),7. 03(s,lH),6. 80(dd,J =8. 4,1.8Hz,lH).UC匪R(1〇1MHz,DMSO)5 155 .75, 155. 43, 154. 22, 150. 96, 148. 93, 137. 25, 135. 38, 134. 28, 125. 23, 123. 00, 121. 2 3, 120. 64, 119. 73, 112. 54, 105. 32, 97. 51,79. 33. HRMS(ESI)m/z[M-H] for C17H10NO3I pred. 401. 9633, meas. 401. 9616 ;HPLC purity :97. 21% , retention time :8. 145min.
[0110]实施例7 :5-(5-径基苯并巧喃-2-取代)-7-舰-8-径基哇嘟盐酸盐阳111]
[0112] 向100血的圆底瓶中加入4. Og 5-(5-?基苯并巧喃-2-取代)-7-舰-8-径 基哇嘟和20血乙酸乙醋,揽拌溶解后通入肥1气体,室溫揽拌12h。抽滤,固体 用乙酸乙醋洗涂,真空干燥得澄色固体。产率97%。Rf= 0. 25 (CH2CI2/CH3OH = 20/l),mp 216.3-217.0 °C .? NMR(400MHz,DMS0) 5 9.00(d,J = 4.0Hz,lH),8.95(d, J =8.6Hz, IH) ,8. 26 (s, IH) , 7. 81 (dd, J =8.6, 4. 2 Hz , IH) , 7. 49 (d, J = 8.細z, IH),7. 26 (s, IH),7. 05 (d, J = I. 5Hz, IH),6. 83 (dd, J =8. 7, I. 7Hz, IH). 1化 NMRdOlMHz, DMSO) 5 154. 41,154. 02, 153. 43, 149. 04, 136. 74, 136. 15, 129. 80, 125. 99, 12 3.68, 120. 27, 113. 93, 111.86, 106. 07, 105.86, 81. 26. HPLC purity:98. 96 % , retention time:9. 761min(eluted with CH3CN/H2O = 75/25, 0. 5血/min).
[0113] 实施例8:5-(2-甲基-5-径基苯并巧喃-2-取代)-7-氯-8-径基哇嘟 阳114]
[0115] 具体实施步骤类似于实施例2,产率67%。3:=0.25(邸2(:12/邸3地=20/1),111口 223.4- 224.6°C.iHMffi(400MHz,DMS0) 5 8.99(dd,J = 4.1,1.4Hz,lH),8.32(dd,J =8.6, I. 4Hz, IH) , 7. 75 (s, IH) , 7. 67 (dd, J =8.6, 4. 2Hz, IH) , 7. 41 (d, J = 8.細z, IH),6. 97 (d, J = 2. 4Hz, IH),6. 82 (dd, J =8.8, 2. 4Hz, IH),2. 17 (s, 3H). 1化 NMRQOlMHz, DMSO) 5 153. 73, 150. 58, 149. 71,149. 34, 148. 42, 138. 81,135.66, 130. 98, 130 .72, 126. 42, 123. 27, 119. 04, 116. 10, 114. 06, 113. 82, 111. 79, 104. 55,9. 28. HRMS(ESI)m/ Z [M_H] for C1SH12NO3CI町ed. 324. 0433, meas. 324. 0426 ;HPLC purity :96.86% , retention time:?. 267min.
[0116] 实施例9 :5-(4,6-二径基苯并巧喃-2-取代)-7-舰-8-径基哇嘟 阳117]
阳1化]具体实施步骤类似于实施例3,产率77%。3:=0.28(邸2(:12/邸3地=10/1),111口 182.4- 183.9 °C .Ih NMR(400MHz,DMS0) 5 8.95(dd,J = 4. 1,1.4Hz,lH),8.81(dd, J = 8. 7, I. 4Hz, IH),8. 15 (s, IH),7. 74 (dd, J =8. 7, 4. IHz, IH),7. 18 (s, IH),6. 51 (d, J = 0. 7Hz, 1H),6. 24(d, J = I. 7Hz, IH). "C NMR(101MHz,DMS0) 5 156. 74, 156. 63, 153. 94, 151. 12, 148. 95, 148.86, 137. 28, 135. 06, 134. 26, 125. 18, 122. 99, 119. 96, HO. 51, 103. 02, 97.8 3, 89. 30, 79. 34. HRMS (ESI) m/z [M-田for
当前第3页1 2 3 4 
网友询问留言 已有0条留言
  • 还没有人留言评论。精彩留言会获得点赞!
1