專利名稱:一種氨基酰芳胺的合成方法
技術(shù)領(lǐng)域:
該專利涉及有機合成、藥物合成、有機化工的研究領(lǐng)域,具體的講,就是從氨基酸酰胺和齒代芳烴一步催化合成氨基酰芳胺。
背景技術(shù):
氨基酰芳胺廣泛存在于藥物和生物活性的化合物中(及/r. J. Med. Chem. 2011,46,1331-1342 -J. Am. Ch em. Soc. 2009, 131,11458-11470)。手性氨基酰芳胺還可以作為手性配體和有機催化劑用于不對稱催化反應(yīng)(rdraAet/ro/ Lett. 2001, 42,5045 -5048 -,Catal 2011, 141,872 - 876)。此外,氨基酰芳胺還可以作為有機合成的中間體(( ; Lett., 2008, 10, 2905-2908)。經(jīng)典的氨基酰芳胺的合成方法C/ Chem. Soc. , Perkin Trans. I, 2001,1767 - 1770 -,Tetrahedron Lett. 2001, 42,5045 - 5048),一般由三個反應(yīng)步驟組成(一)氨基酸和叔丁氧羰基(Boc)、芐氧羰基(Cbz)等的酸酐或者酰氯合成N-Boc、N-CbZ等氨基受到保護氨基酸,(二)N-Boc, N-Cbz等保護的氨基酸與芳香胺縮合生成N-Boc、N-Cbz等保護的氨基酰芳胺,(三)脫除Boc、Cbz等保護基得到氨基酰芳胺。該方法適合L構(gòu)型、D構(gòu)型和DL構(gòu)型的氨基酰芳胺的合成,但是合成步驟較多,成本高,原子經(jīng)濟性差。此外,最近文獻報道了釕催化ct -輕基酰胺的胺化合成氨基酰芳胺Chem. Int. Ed. 2011, 50,11197-11201),但是只能合成消旋的產(chǎn)物,而且適用產(chǎn)物種類比較少。還有一些合成消旋氨基酰芳胺的方法,而且,原料結(jié)構(gòu)比較復(fù)雜(/1MraAetZro/ , 1996,52,7585-7598),或者其它一些缺點。銅催化Ullmann型C-N偶聯(lián)已經(jīng)有一百多年的歷史,但是未見與本專利類似的文獻報道。
發(fā)明內(nèi)容
本發(fā)明提供一種氨基酰芳胺的合成方法。本發(fā)明公開的氨基酰芳胺的合成方法由一步完成,即在堿存在下,銅催化氨基酸酰胺和鹵代芳烴發(fā)生C-N偶聯(lián)反應(yīng)一步合成氨基酰芳胺。結(jié)合下面的實施例更詳細地闡述本發(fā)明,并不認為它們是對本發(fā)明范圍的限制。
具體實施方式
實施例一
往烘干帶磁力攪拌棒的磨口試管里加入L-苯丙氨酰胺(I. 2毫摩爾)、碳酸鉀(2. 0毫摩爾)和碘化亞銅(0. 05毫摩爾),接著用翻口橡皮塞密封,然后用高純氮氣或者高純氬氣置換三次。通過注射器把溴苯(1.0毫摩爾)、N,N’ - 二甲基乙二胺(0. I毫摩爾)和甲苯(6毫升)注入翻口橡皮塞密封的試管中。接著該試管放到110° C預(yù)熱的油浴鍋中加熱攪拌反應(yīng)24小時。然后讓反應(yīng)混合液冷卻到室溫,用水淬滅反應(yīng),用20毫升乙酸乙酯萃取三次,合并有機相,用無水硫酸鈉干燥。濾液濃縮所得的粗產(chǎn)物用硅膠柱層析、以石油醚和乙酸乙酯的混合溶劑(體積比1/5到2/1)洗脫得到淺黃色固體L-苯丙氨酰苯胺,產(chǎn)率86%。該L-苯丙氨酰苯胺產(chǎn)物在液相色譜儀上用手性液相色譜柱日本大賽璐公司生產(chǎn)的Chiralcel OD-H高效柱(4. 6毫米直徑、250毫米長、5微米粒徑)(流動相正己烷/異丙醇體積比80/20)進行對映體過量分析,在室溫下檢測的出峰時間為8. 7分鐘(L構(gòu)型)和12. 5分鐘(R構(gòu)型),分析結(jié)果顯示該產(chǎn)物的對映體過量值為99%ee (L構(gòu)型)。mp 59. 6 60. 8°C ; [a ]D24 = -83. 3° (c = 0. 20, CHCl3). 1H NMR (400 MHz,CDCl3) 8 = 9.45 (s, 1H), 7. 62 (d, J = 7.7,2H),7. 33 (m, 8H),7. 14 (t, J =7.4, 1H), 3. 77 (dd, J = 9.5,3.9, 1H),3.41 (dd, J= 13.8,3.9, 1H),2.81(dd, J = 13.8, 9.6,1H). 13C NMR (CDCl3): 40.74,56.84,119.48,124.15,126.97,128.85,129.00,129.32,137.71,13 7.74,172. 37. IR (KBr), v (cm-1) : 3384.55,3263.27,3137.94,3059.42,3027.47,2924.58,2855.20,2325.75,1947.10,1880.59,1600. 88, 1524.83,1496.59,1448.87,1391.71,1314.71,1251.38,1186.97,1178.65, 1107.80,1077.51,1027.72,1003.01,963.82, 907.13,882. 24,833.32,752.82,698.01,617.13,586.98,509.40,479.24. Anal, calcd. for.C15H16N2O: C, 74.97; H,6. 71; N,11.66. Found: C,74.89; H,6.63; N,11.56.
實施例二
溴化亞銅代替實施例一中的碘化亞銅,L-苯丙氨酰苯胺的產(chǎn)率為83%。實施例三
碳酸銫代替實施例一中的碳酸鉀,L-苯丙氨酰苯胺的產(chǎn)率為88%。實施例四
磷酸鉀代替實施例一中的碳酸鉀,L-苯丙氨酰苯胺的產(chǎn)率為82%。實施例五
實施例一中的配體N,N’ - 二甲基乙二胺沒有加入時,L-苯丙氨酰苯胺的產(chǎn)率為68%。實施例六
碘苯代替實施例一中的溴苯,L-苯丙氨酰苯胺的產(chǎn)率為96%。實施例七
氯苯代替實施例一中的溴苯,L-苯丙氨酰苯胺的產(chǎn)率為21%。實施例八
對甲基溴苯代替實施例一中的溴苯,得到黃色固體L-苯丙氨酰對甲苯胺,產(chǎn)率為84%。mp 84. I 85.0 °C ; [a ]D24 = -122.1。 (c = 0. 14, CHCl3). 1H NMR (400MHz, CDCl3) 8 = 8.46 (s, 1H),6.62 (d, / 二 8.4,2H),6.44 (m, 6H),6. 28 (d,/二8.2,2H), 2. 87 (dd, / 二 9. 5,4.0,1H),2. 51 (dd, J = 13. 8, 3.9,1H),I. 93
(dd, J= 13.8, 9.5,1H), 1.45 (d, J= 10. 3, 3H),0. 75 (s, 3H),0.41 (s, 1H) 13C NMR (CDCl3) 8 = 166.98 (S),132.55 (S),129.93 (S),128.48 (S),124.15 (d,J = 16. I Hz), 123.58 (S),121.69 (s), 114.29 (s), 72.13 (s), 71.81 (S),71.49(S),51.57 (S),35.53 (s), 24.46 (s), 15.65 (s) IR (KBr), v (cm-1) : 3371.98,3259.69,3128.62,3062,38,3030.28,2920.96,2861.67,2348.98,1671.40,1645.92,1605.35,1453.63,1408.02,1340.39,1315.96,1260.28,1242.72,1178.34,1106.59,1074.24,1019.52,982.54,972.71,894.14,820.35,745.00,716. 42,700. 02,668. 58,569. 01,548. 58,517. 97,486. 30,466. 60. Anal, calcd.for. C16H18N2O: C, 75. 56; H, 7. 13; N, 11.01. Found: C, 75.46; H, 7.08; N, 10.92.
實施例九
間甲基溴苯代替實施例一中的溴苯,得到黃色液體L-苯丙氨酰間甲苯胺,產(chǎn)率為76%。[a]D24 = -104.4。 (c = 0. 14, CHCl3) 1H NMR (400 MHz, CDCl3) 8 = 8. 53(s, 1H), 6.60 (s, 1H), 6.43 (ddt, J = 34.4, 17. I, 8.0,8H),6.08 (d, J = 7. 5,1H), 2.86 (dd, J = 9.2,3.5, 1H),2. 51 (dd, J = 13.8, 3.9, 1H), 1.93 (dd, J=13.8, 9.5,1H), I. 50 (s, 3H). 13C NMR (CDCl3) 8 = 167.19,133.63,132.46(d, J = 10. 2), 124.09,123.59,121.70, 119.75,114.95,111. 41, 51.60,35.51,26.71,24.49,24.15,17.48,16.28. IR (KBr), v (cm—1): 3301.73,3028.20,2922.73,2853.98,1681.61,1613.30,1594.36,1491.40,1454.81,1305.65,1260.98,1204.04,1168.15,1091.52,1030.92,872.57,782.09,748.30,700.65,662.67,500.61. Anal, calcd. for. C16H18N2O: C,75.56; H,7. 13; N,11.01. Found:C, 75.46; H, 7.07; N,10.02.
實施例十
鄰甲基溴苯代替實施例一中的溴苯,得到黃色液體L-苯丙氨酰鄰甲苯胺,產(chǎn)率為55%。[a]D24 = -101.3。 (c = 0. 15, CHCl3). 1H NMR (400 MHz, CDCl3), 8 (ppm):7. 21 (d, / = 8. I Hz, 1H), 6. 43 (m, 2H),6. 35 (dt, J= 18. 2, 5.8,4H),6. 27 (d,/=7. 4 Hz, 1H), 6. 15 (t, /=7. 4 Hz, 1H),2. 87 (dd, / = 9. 2, 3. 8 Hz, 1H),2. 47
(dd, J = 13.8, 3.9 Hz, 1H), 1.93 (dd, J = 13.8, 9.3 Hz, 1H), I. 32 (s, 3H),
0.76 (s, 2H), 0. 39 (d, J =10. 0 Hz, 1H). 13C NMR (CDCl3), 8 (ppm) : 167.06 (s),132.47 (s),130.63 (s),125.09 (s),124.12 (s),123.58 (s), 122.61 (s),121.64(d, /=15.7), 119.19 (s),116.01 (s),72.21 (s),71.89 (s),71.57 (s),51.76(s),35.55 (s),26.71 (s),24.48 (s),24.15 (s),17.48 (s),12.39 (s),8.93(s) IR (KBr), v (cm-1) : 3301.33,3061.31,3027.58,2921.43,2852.36,1680.87,1587.84,1496.01,1455.95,1381.47,1291.18,1251.83,1157.17,1116.22,1046.66,1031.52,896.72,841.26,754.17,701.39,618.64,539.05,493. 90.Anal, calcd. for. C16H18N2O: C, 75. 56; H, 7. 13; N, 11.01. Found: C, 75.49; H,
7.08; N, 10. 91.
實施例i^一
間甲氧基溴苯代替實施例一中的溴苯,得到黃色油狀液體L-苯丙氨酰間甲氧基苯胺,產(chǎn)率為77%。[a]D24 = -97. 0° (c = 0. 27, CHCl3). 1H NMR (400 MHz, CDCl3), 8 (ppm):
8.57 (s, 1H), 6. 48 (d, J = I. 7, 1H),6. 32 (m, 7H),6. 16 (d, / = 7. 8 Hz, 1H),
5.74 (dd, / = 8. I, 2. I Hz, 1H),2. 79 (m, 4H),2. 39 (dd, J = 13. 6, 3.2 Hz, 1H),
1.84 (dd, J = 13. 6, 9.4 Hz, 1H),0. 97 (d, / = 26. I Hz, 2H),0. 37 (d, J = 18. 3Hz, 1H). 13C NMR (CDCl3) 8 = 168.03 (s),155.43 (s),134.31 (s),133.01 (s),124.95 (s),124.60 (s),124.06 (s),122.18 (s),107.18 (s), 105.28 (s),100.63(s),73.00 (s),72.68 (s),72.36 (s),52. 15 (s),50.51 (s),36.01 (s),27. 24(S),24.85 (d, / 二 33.8),18.02 (s),9. 50 (s) IR (KBr), v (cm-1) : 3298.38,3061.55,3027.87,3002.95,2932.87,2839.93,1953.40,1682.44,1528.24,1494.90,1454.92,1429.29,1315.40,1286.99,1264.14,1209.39,1157.09,1079.40,1048.00,995.24,957.51,855.89,771.05,701.39,663.62,586.22,501.85,458. 69. Anal, calcd. for. C16H18N2O2: C, 71. 09; H, 6. 71; N, 10. 36. Found:C, 70.00; H, 6.65; N, 10.28.
實施例十二
間溴苯腈代替實施例一中的溴苯,得到黃色油狀液體L-苯丙氨酰間氰基苯胺,產(chǎn)率為
81%。 [a]D24 = -16. 9° (c = 0. 24, CHCl3). 1H NMR (300 MHz, CDCl3) 8 = 9.67(s, 1H), 7.98 (d, J = 16.6, 1H),7.67 (d, J = 7.8,1H),7. 26 (ddd, J = 22.9,15. 7, 7.7,7H), 3. 70 (s, 1H),3. 26 (dd, J = 13. 7, 3.4,1H),2. 78 (dd, J =13. 7, 9.2,1H), I. 79 (s, 2H). 13C NMR (75 MHz, CDCl3) 8 = 172.82 (s),138.24(s), 136.96 (s), 129.34 (d, J = 14. I), 128.09 (m),126.66 (s),126.66 (s),122.75 (m), 122.19 (s),122.19 (s),118.31 (s),112.29 (s),56.33 (s),40. 17(s) IR (KBr), v (cm-1) : 3315.23,3063.47,3029.96,2957.27,2851.17,2231.35,1688.23,1588.27,1552.65,1485.47,1455.09,1432.10,1378.34,1289.25,1260.65,1171.15,1096.42,1026.50,889.89,796.01,748.86,700.54,682.77,663.73,614.64,473. 53. Anal, calcd. for. C16H15N3O: C, 72.43; H, 5. 70; N, 15.84.Found: C, 72. 33; H, 5.61; N, 15. 76.
實施例十三
對硝基溴苯代替實施例一中的溴苯,得到黃色固體L-苯丙氨酰對硝基苯胺,產(chǎn)率為
94%。mp 155.4 156. 2 °C ; [a ]D24 = -156.6。 (c = 0. 14, CHCl3). 1H NMR (400MHz, CDCl3), 8 (ppm) : 9. 05 (s, 1H),7. 36 (m, 2H),6. 91 (m, 2H),6. 43 (m, 6H),2.92 (dd, J= 9.4, 3.9 Hz, 1H), 2. 51 (dd, J = 13.9, 3.9 Hz, 1H), 1.97 (dd,J = 13.9, 9.4 Hz, 1H), 0.80 (s, 3H),0.41 (m, 1H) 13C NMR (CDCl3), 8 (ppm):167.80 (s),138.23 (d, J= 4. 5), 131.88 (s),124.02 (s),123.72 (s),121.95(s),119.87 (s),113.64 (s),72. 11 (s),71.79 (s),71.48 (s),51. 50 (s), 35. 20(s) IR (KBr), v (cm-1) : 3400.26,3235.29,3087.13,3030.47,2925.81,2853.57,2446.79,1928.18,1688.544,1599.09,1525.98,1488.65,1458.87,1442.13,1406.96,1375.29,1345.51,1301. 42, 1261.68,1200. 95, 1175. 07, 1114.05,1075.07,1101.45,1029.88,1002.50,960.78,918.19,882.45,846.58,809.84,749.53,701. 43, 686.45,663.56,628.96,612.21,548.18,529.42,495.56,486.03. Anal, calcd. for. C15H15N3O3: C,63.15; H,5.30; N,14.73. Found: C,63.03; H, 5. 20; N,14.61.
實施例十四
對溴苯甲醛代替實施例一中的溴苯,得到黃色油狀液體L-苯丙氨酰對甲酰基苯胺,產(chǎn)率為54%。
[a ]D24 = -2.9。 (c = 0. 17, CHCl3). 1H NMR (400 MHz, CDCl3), 8 (ppm):
9.09(s, 1H), 6.96 (s, 1H),6.58 (m, 3H),6.45 (m, 3H),6.23 (m, 2H),6.01 (s,1H), 5. 31 (s, 1H), 3.07 (m, 1H),2.56 (dd, J= 13.4, 3.0,1H), 2.09 (m, 1H). 13CNMR (CDCl3), 8 (ppm) : 185. 53, 170.02,156.03,137,92,132.07,131.98,129.69,128. 90, 127.13,126.79,125.39,124.44,119. 50, 54. 02, 35. 77. IR (KBr),v (cm-1) : 3442.05,3061.43,3028.62,2923.83,2853.02,1600.99,1562.94,1495. 52,1454. 65,1376. 40, 1262. 23,1069. 98,1028. 62,872. 44,789. 23,751. 08,699.89,663.72. Anal, calcd. for. C16H16N2O2: C,71.62; H,6.01; N,10.44. Found:C, 71. 54; H, 5.93; N,10.36.
實施例十五
對氟溴苯代替實施例一中的的溴苯,得到黃色固體L-苯丙氨酰對氟苯胺,產(chǎn)率為56%。mp 86. 6 87. 2°C ; [a]D24 = +110. 6° (c = 0. 15,CHCl3). 1H NMR (400 MHz,CDCl3), 8 (ppm) : 8. 55 (s, 1H),6. 69 (dd, / = 8. 8,4. 8 Hz, 2H),6. 44 (m, 6H),
6.16 (t, /=8. 6 Hz, 2H), 2. 88 (dd, / = 9. 3 Hz, 3.7,1H),2. 51 (dd, J = 13. 8,3.8 Hz, 1H), I. 93 (dd, J = 13. 8, 9.5 Hz, 1H),0. 77 (s, 3H),0. 42 (d, J = 10. 6Hz, 1H). 13C NMR (CDCl3), 8 (ppm) : 167.08 (s),155.24 (s),152.82 (s),132.37(s),128.55 (d, J = 2.7 Hz), 124.06 (s),123.61 (s),121.76 (s),115.91 (d, J=7. 9 Hz), 110.47 (s),110.24 (s),72.12 (s),71.80 (s),71.49 (s),51.46 (s),35.44 (s),24.46 (s) IR (KBr), v (cm-1) : 3384.74,3266.19,3064.73,3028.47,2923.36,2853.76,2112.03,1953.11,1886.82,1660.37,1607.38,1454.34,1409.70,1327.53,1300.03,1245.06,1214.12,1156.44,1110.19,1097.76,1028.95,1012.96,934.32,915.58,893.93,869.89,825.58,772.25,744.37,697.02,638.09,616,33,571.80,513.16,480.06,469.16. Anal, calcd. for.C15H15FN2O: C, 69. 75; H,5.85; N,10.85. Found: C,69.67; H,5. 73; N,10.77.
實施例十六
對碘甲苯代替實施例一中的的溴苯,得到黃色固體L-苯丙氨酰對甲苯胺,產(chǎn)率為93%。實施例十七
間碘苯腈代替實施例一中的溴苯,得到黃色油狀液體L-苯丙氨酰間氰基苯胺,產(chǎn)率為
93%。實施例十八
對氟碘苯代替實施例一中的的溴苯,得到黃色固體L-苯丙氨酰對氟苯胺,產(chǎn)率為76%。實施例十九
對硝基氯苯代替實施例一中的的溴苯,得到黃色固體L-苯丙氨酰對硝基苯胺,產(chǎn)率為
47%。實施例二十
DL-苯丙氨酰胺代替實施例一中的L-苯丙氨酰胺,得到淺黃色固體DL-苯丙氨酰苯胺,產(chǎn)率84%。實施例二i^一
L-丙氨酰胺鹽酸鹽代替實施例一中的L-苯丙氨酰胺,碳酸鉀的量改為3毫摩爾,得到黃色液體L-丙氨酰苯胺,產(chǎn)率62%。[a ]D24 = -4.8。 (c = 0. 13, CHCl3) 1H NMR(400 MHz, CDCl3) 8 = 9.41(s, 1H), 7. 51 (d, J = 7.8,2H), 7. 25 (q, J = 8.4,2H),7.02 (m, 1H),3. 52 (d,J = 6. 3, 1H), I. 74 (s, 2H), I. 33 (m, 3H). 13C NMR (CDCl3) : 20.54,50. 13, 123. 00,123.70,127.55,128.20,128.55,136.79,172.81. IR (KBr), v (cm—1): 3301.58,3060.12,2950.17,2853.50,1682.76,1601.00,1531.17,1499.78,1443.74,1377.39,1312.97,1253. 10, 1177.36,1127.75,1078. 79, 1029. 70, 905. 92,802.06,756.51,693.74,662.55,510.98. Anal, calcd. for. C9H12N2O: C, 65.83; H,
7.37; N, 17.06. Found: C, 65. 75; H, 7. 29; N, 16.96. 實施例二十二
L-丙氨酰胺鹽酸鹽代替實施例一中的L-苯丙氨酰胺,碘苯代替實施例一中的的溴苯,碳酸鉀的量改為3毫摩爾,得到黃色液體L-丙氨酰苯胺,產(chǎn)率79%。實施例二十三
L-纈氨酰胺鹽酸鹽代替實施例一中的L-苯丙氨酰胺,碳酸鉀的量改為3毫摩爾,得到黃色液體L-纈氨酰苯胺,產(chǎn)率68%。[a]D24 = -64. 0° (c = 0. 15, CHCl3) 1H NMR (400 MHz, CDCl3): 8 = 9.42(s, 1H), 7. 53 (d, / 二 7.9,3H),7. 26 (t, / 二 7.9,3H),7.03 (t, J=1.A Hz,1H), 4.04 (m, 1H), 3. 32 (d, /=3.3 Hz, 1H),2.38 (dtd, J = 13.8, 6.9,3.7 Hz,1H), 0. 79 (m, 6H). 13C NMR (CDCl3): 13.10,15.04,18.69,21.63,29.87,59.41,118.77,122.62,127.98,136.79,171.89. IR (KBr), v (cm—1): 3302.45,3136.45,3060.10,2981.06,2962.07,2872.73,1668.18,1601.24,1446.43,1443.73,1389.13,1370.98,1313.11,1249.40,1176.16,1072.61,1029.71,985.83,901. 55,802. 54,755. 25,693.07,663. 36,530. 00,508.96. Anal, calcd. for.C11H16N2O: C, 68. 72; H,8. 39; N,14.57. Found: C,68.66; H,8. 31; N,14.48.
實施例二十四
L-纈氨酰胺鹽酸鹽代替實施例一中的L-苯丙氨酰胺,碘苯代替實施例一中的的溴苯,碳酸鉀的量改為3毫摩爾,得到黃色液體L-纈氨酰苯胺,產(chǎn)率82%。實施例二十五
L-亮氨酰胺鹽酸鹽代替實施例一中的L-苯丙氨酰胺,碳酸鉀的量改為3毫摩爾,得到黃色液體L-亮氨酰苯胺,產(chǎn)率73%。[a]D24 = -24. 4° (c = 0. 13, CHCl3) 1H NMR (400 MHz, CDCl3): 8 = 9. 54(s, 1H), 7. 62 (d, /= 7.7 Hz, 2H),7. 34 (t, J = 7.9 Hz, 2H),7. 11 (t, J = 7.4Hz, 1H), 5. 31 (s, 1H), 3. 53 (dd, / = 9.9, 3.4 Hz, 1H),1.80 (m, 3H), 0.99 (dd,/ 二 11.0,6.3,6H). 13C NMR (CDCl3): 21.36,23.42,29.37,31.93,43.87,53.93,58.21,119.43,123.99,128.95,137.91,173. 85. IR (KBr), v (cm-1) : 3302.86,3060.63,2957.64,2976.99,2870.43,1682.85,1601.70,1600,32,1443.76,1407.10,1386,55,1368.46,1312.14,1259.34,1174.75,1103.42,1079.35,1030.27,903.57,803.14,755.53,693.80,616.57,511. 75. Anal, calcd. for.C12H18N2O: C, 69.87; H, 8.80; N, 13. 58. Found: C, 69. 75; H, 8. 72; N, 13.49.實施例二十六
L-纈氨酰胺鹽酸鹽代替實施例一中的L-苯丙氨酰胺,碘苯代替實施例一中的的溴苯,碳酸鉀的量改為3毫摩爾,得到黃色液體L-亮氨酰苯胺,產(chǎn)率86%。實施例二十七
L-苯甘氨酰胺代替實施例一中的L-苯丙氨酰胺,得到黃色液體L-苯甘氨酰苯胺,產(chǎn)率
72%。[a]D24= -6.8。 (c = 2.3,CHCl3). 1H NMR (400 MHz, CDCl3): 8 =9.31 (s,1H), 7. 52 (d, / 二 7.9,2H),7. 36 (d, J=l.l Hz, 2H),7. 26 (dt, /=6.6,5.4Hz, 5H), 7.02 (t, J=1.A Hz, 1H),4. 56 (s, 1H),3.63 (d, J=1.Q Hz, 1H) 13C NMR (CDCl3): 39.84,39.98,119.48,124.00,126.85,127.95,128.76,128.82,129.00,129.32,137.71,137.74,172. 37. IR (KBr), v (cm-1) : 3268.56,3061.34,2961.16,2924.42,2853.13,1599.65,1538.85,1490. 08, 1444.47,1384.63,1313.70,1261.10,1106.92,1025.54,803.41,755.34,694.64,617.30,495. 16.Anal, calcd. for. C14H14N2O: C,74.31; H,6. 24; N,12. 38. Found: C,74.23; H,6. 19; N, 12. 28.
實施例二十八
L-苯甘氨酰胺代替實施例一中的L-苯丙氨酰胺,得到黃色液體L-苯甘氨酰苯胺,產(chǎn)率
90%。實施例二十九
L-脯氨酰胺代替實施例一中的L-苯丙氨酰胺,得到黃色液體L-脯氨酰苯胺,產(chǎn)率
54%。mp 68. 6 70. 2°C ; [a ]D24 = -50. 8° (c = 0. 13, CHCl3). 1H NMR (400 MHz,CDCl3) 8 = 9.45 (s, 1H), 7. 62 (d, J = 7.7,2H),7. 33 (m, 8H),7. 14 (t, J =7.4, 1H), 3. 77 (dd, J = 9.5,3.9, 1H),3.41 (dd, J = 13.8, 3.9, 1H),2.81(dd, J = 13.8, 9.6,1H). 13C NMR (CDCl3): 26.32,30.77,47.36,61.04,119.26,123.89,124.14,128.95,129.22,137.88,173.46. IR (KBr), v (cm—1): 3050.85,3231.63,3056,93,2966.29,2873.16,1947.58,1872.76,1669.12,1600.49,1442.72,1410.71,1313.90,1300.05,1246.62,1213.09,1180.46,1148.72,1103.05,1080.07,1000.97,980.93,926.83,910.08,884.19,847.80,755.53,692.01,653.21,630.75,577.94,515.68,488.72,468.95. Anal, calcd. for.C11H14N2O: C, 69.45; H, 7.42; N, 14. 73. Found: C, 69. 33; H, 7. 37; N, 14.68.
實施例三十
L-苯甘氨酰胺代替實施例一中的L-苯丙氨酰胺,得到黃色液體L-脯氨酰苯胺,產(chǎn)率
76%。
權(quán)利要求
1.一種氨基酰芳胺的合成方法,其特征在于在堿存在下,銅催化氨基酸酰胺和鹵代芳烴C-N偶聯(lián)ー步合成氨基酰芳胺。
2.權(quán)利要求書I所述的ー種氨基酰芳胺的合成方法,其特征在于所說的氨基酸酰胺包括苯丙氨酰胺、丙氨酰胺、纈氨酰胺、亮氨酰胺、苯甘氨酰胺、脯氨酰胺;它們的構(gòu)型包括L構(gòu)型、D構(gòu)型和DL構(gòu)型;而且,產(chǎn)物的構(gòu)型由氨基酸酰胺的構(gòu)型決定,即L-苯丙氨酰胺和溴苯或碘苯經(jīng)過C-N偶聯(lián)反應(yīng)得到L-苯丙氨酰苯胺。
3.權(quán)利要求書I所述的ー種氨基酰芳胺的合成方法,其特征在于所說的銅催化劑由銅鹽和N,N’ - ニ甲基こニ胺配體組成;銅鹽為碘化亞銅或者溴化亞銅。
4.權(quán)利要求書I所述的ー種氨基酰芳胺的合成方法,其特征在于所說的堿為碳酸鉀、碳酸銫或者磷酸鉀。
全文摘要
氨基酰芳胺廣泛被用作藥物、手性配體、有機催化劑和中間體。它們的合成方法一般從氨基酸出發(fā)合成N-保護氨基酸,進而與芳香胺縮合生成N-保護氨基酰芳胺,最后脫保護得到氨基酰芳胺,合成步驟較多,成本高。本發(fā)明公開一種一步合成氨基酰芳胺的方法,即在銅鹽催化氨基酸酰胺和鹵代芳烴C-N偶聯(lián)合成氨基酰芳胺。通過該C-N偶聯(lián)反應(yīng),手性氨基酸酰胺和鹵代芳烴反應(yīng)生成手性氨基酰芳胺。
文檔編號C07C253/30GK102766004SQ20121028557
公開日2012年11月7日 申請日期2012年8月13日 優(yōu)先權(quán)日2012年8月13日
發(fā)明者曾慶樂, 董俊宇 申請人:成都理工大學(xué)