具体实施方式
下面结合实施例进一步解释和阐明,但具体实施例并不对本发明有任何形式的限定。若未特别指明,实施例中所用的方法和设备为本领常规方法和设备,所用原料均为常规市售原料。
实施例1
本实施例提供消旋体3,6-二氮杂二环[3.2.1]辛烷(I)-a的合成,步骤如下:
PMB为4-MeOC6H4CH2。
S1.将摩尔量为α-取代的末端烯烃酰胺的2~4mol%银催化剂、摩尔量为α-取代的末端烯烃酰胺的10~20mol%碱物质和摩尔量为α-取代的末端烯烃酰胺的2~4 mol%银催化剂叔膦溶于甲苯中,搅拌5分钟后,依次加入偶氮甲碱叶立德和α- 苯基取代的丙烯酰胺,所述偶氮甲碱叶立德和α-取代的末端烯烃酰胺的摩尔比为 1~2:1,在常温下搅拌,TLC板检测原料消耗完全;
S2.向步骤S1反应完全的溶液体系中加入饱和的食盐水溶液,用CH2Cl2萃取 3次,合并有机相;
S3.向步骤S2所得有机相中加入无水Na2SO4干燥,过滤减压浓缩,用乙酸乙酯和石油醚洗脱过柱,分离得到产物。
实施例2
本实施例根据实施例1提供的方法按照下表所列物质剂参数制备消旋体3,6- 二氮杂二环[3.2.1]辛烷,如下表1所示:
表1
序号 |
银催化剂 |
叔膦 |
碱物质 |
溶剂 |
搅拌时间(h) |
产品收率(%) |
1 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
Et<sub>3</sub>N |
甲苯 |
12 |
29 |
2 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
DBU |
甲苯 |
8 |
48 |
3 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
DMAP |
甲苯 |
12 |
31 |
4 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
KO<sup>t</sup>Bu |
甲苯 |
3 |
53 |
5 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
Cs<sub>2</sub>CO<sub>3</sub> |
甲苯 |
10 |
27 |
6 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
K<sub>2</sub>CO<sub>3</sub> |
甲苯 |
10 |
22 |
7 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
TBD |
甲苯 |
2 |
92 |
8 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
TBD |
甲苯 |
2 |
92 |
9 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
MTBD |
甲苯 |
2 |
84 |
10 |
Ag<sub>2</sub>CO<sub>3</sub> |
PPh<sub>3</sub> |
TBD |
甲苯 |
3 |
90 |
11 |
AgOTf |
PPh<sub>3</sub> |
TBD |
甲苯 |
2 |
45 |
12 |
AgOAc |
PPh<sub>3</sub> |
TBD |
甲苯 |
2 |
56 |
13 |
AgF |
PPh<sub>3</sub> |
TBD |
甲苯 |
2 |
89 |
14 |
PhCO<sub>2</sub>Ag |
PPh<sub>3</sub> |
TBD |
甲苯 |
2 |
83 |
15 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
TBD |
CH<sub>2</sub>Cl<sub>2</sub> |
2 |
87 |
16 |
Ag2O |
PPh3 |
TBD |
THF |
5 |
67 |
17 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
TBD |
AcOEt |
2 |
83 |
18 |
Ag<sub>2</sub>O |
PPh<sub>3</sub> |
TBD |
1,4-dioxane |
3 |
80 |
19 |
Ag<sub>2</sub>O |
PMe<sub>3</sub> |
TBD |
甲苯 |
2 |
83 |
20 |
Ag<sub>2</sub>O |
PPhMe<sub>2</sub> |
TBD |
甲苯 |
2 |
86 |
21 |
Ag<sub>2</sub>O |
/ |
TBD |
甲苯 |
2 |
89 |
实施例3
根据实施例1记载的制备方法和实施例2序号7所用物质和参数合成以下物质:
计算各物质的产品收率如表2:
表2
序号 |
产品收率(%) |
序号 |
产品收率(%) |
(I)-a |
92 |
(I)-i |
89 |
(I)-b |
90 |
(I)-j |
94 |
(I)-c |
76 |
(I)-k |
98 |
(I)-d |
82 |
(I)-l |
96 |
(I)-e |
83 |
(I)-m |
90 |
(I)-f |
89 |
(I)-n |
80 |
(I)-g |
90 |
(I)-o |
74 |
(I)-h |
95 |
(I)-p |
91 |
将上述制备消旋体3,6-二氮杂二环[3.2.1]辛烷衍生物进行氢谱和碳谱表征,所述的产物结构式和表征数据如下:
化合物(I)-a的表征数据
1H NMR(400MHz,CDCl3)δ7.45(d,J=8.4Hz,2H),7.33-7.23(m,4H), 7.17-7.14(m,2H),7.08(t,J=7.6Hz,2H),6.89-6.85(m,4H),4.97(d,J=13.2Hz, 1H),4.81(d,J=13.6Hz,1H),4.55(s,1H),4.24(d,J=4.8Hz,1H),3.82(s,3H), 2.83-2.73(m,2H),2.35(brs,1H)。
13C NMR(100MHz,CDCl3)δ174.6,172.2,159.1,137.8,136.4,131.5,128.8,128.5,128.4,127.7,113.8,70.9,60.6,58.9,55.3,42.6,38.9.IR(film)v(cm-1)3366,3043,2946,2347,1732,1680,1611,1511,1450,1295,1247,1145,1031,933.
化合物(I)-b的表征数据
1H NMR(400MHz,CDCl3)δ7.52(dd,J=6.2,2.6Hz,2H),7.40-7.22(m,8H), 7.22-7.13(m,2H),7.08(t,J=8.0Hz,2H),6.90(d,J=7.6Hz,2H),5.06(d,J=13.2 Hz,1H),4.88(d,J=13.6Hz,1H),4.59(s,1H),4.29(d,J=4.8Hz,1H),2.87-2.85 (m,2H),2.08(d,J=4.8Hz,2H),1.95(brs,1H).
13C NMR(100MHz,CDCl3)δ174.6,172.2,137.8,136.5,136.3,130.0,128.6,128.5,128.5,128.4,128.3,127.8,127.7,70.9,60.6,58.9,43.3,38.9.IR(film)v(cm-1)3361,3042,2948,2360,1733,1680,1497,1450,1344,1204,1143,1073,934.
化合物(I)-c的表征数据
1H NMR(400MHz,CDCl3)δ7.61(s,4H),7.34(d,J=4.8Hz,3H),7.28(d,J=5.4 Hz,2H),7.21(d,J=4.6Hz,2H),7.08(t,J=7.6Hz,2H),6.90(d,J=7.6Hz,2H), 5.07(d,J=13.6Hz,1H),4.91(d,J=13.2Hz,1H),4.65(s,1H),4.30(d,J=4.8Hz, 1H),2.87-2.77(m,2H),2.27(brs,1H).
13C NMR(100MHz,CDCl3)δ174.4,172.3,140.3,137.7,136.1,130.3,130.1,129.7,128.6,128.4,128.3,128.1,127.9,127.8,125.4,125.4,125.4,125.3,122.7,70.4,60.6,58.7,42.7,39.2.IR(film)v(cm-1)3361,3050,2946,2344,1737,1689,1620,1497, 1425,1321,1133,1065,1021,915.
化合物(I)-d的表征数据
1H NMR(400MHz,CDCl3)δ7.42(d,J=7.6Hz,2H),7.28-7.34(m,4H),7.18(t, J=6.6Hz,4H),7.10(t,J=7.6Hz,2H),6.92(d,J=7.6Hz,2H),5.02(d,J=13.6 Hz,1H),4.86(d,J=13.2Hz,1H),4.58(s,1H),4.27(d,J=4.8Hz,1H),2.82(dd,J =12.0,4.8Hz,1H),2.78(d,J=12.0Hz,1H),2.40(s,3H),1.73(br.s,1H).
13C NMR(100MHz,CDCl3)δ174.6,172.1,137.8,137.3,136.3,133.5,130.0,129.1,128.5,128.3,127.7,60.6,58.9(d),42.9,38.8,21.1.IR(film):v(cm-1)3428,2939,2352,1734,1720,1680,1447,1344,1226,1126,1042,767,728,585.
化合物(I)-e的表征数据
1H NMR(400MHz,CDCl3)δ7.51(dd,J=8.2,5.4Hz 2H),7.28-7.34(m,4H), 7.18-7.20(m,2H),7.11(t,J=7.6Hz 2H),7.03(t,J=8.6Hz 2H),6.90(d,J=8Hz 2H), 5.00(d,J=13.6Hz 1H),4.85(d,J=13.6Hz 1H),4.61(s,1H),4.28(d,J=4.8Hz 1H), 2.84(dd,J=12,4.8Hz 1H),2.77(d,J=12Hz 1H),2.15(brs,1H).
13C NMR(100MHz,CDCl3)δ174.5,172.2,163.5,161.1,137.8,136.2,132.3(d),132.0,131.9,128.6,128.5,128.3,128.2,127.8(d),115.3,115.1,60.6,58.8(d),42.5,39.0.IR(film):v(cm-1)3360,3060,2959,2875,1733,1681,1508,1448,1373, 1343,1263。
化合物(I)-f的表征数据
1H NMR(400MHz,CDCl3)δ7.33-7.31(m,6H),7.23-7.19(m,4H),4.65(s,1H), 4.22(d,J=5.2Hz,1H),3.88-3.76(m,2H),2.83-2.79(m,1H),2.71(d,J=11.6Hz, 1H),2.37(brs,1H),1.18(t,J=7.2Hz,3H).
13C NMR(100MHz,CDCl3)δ174.4,172.0,138.2,136.4,128.7,128.5,128.4,128.2,127.8,127.7,70.3,60.6,59.0,39.2,35.1,12.9.IR(film)v(cm-1)3550,3054,2975, 2360,1732,1680,1497,1450,1352,1314,1231,1120,1081,887.
化合物(I)-g的表征数据
1H NMR(400MHz,CDCl3)δ7.44(d,J=8.4Hz,2H),7.30(d,J=4.6Hz,3H), 7.21-7.13(m,2H),6.89-6.87(m,4H),6.78(d,J=7.8Hz,2H),4.96(d,J=13.2Hz, 1H),4.82(d,J=13.4Hz,1H),4.53(s,1H),4.23(d,J=4.6Hz,1H),3.83(s,3H), 2.79-6.75(m,2H),2.30(s,3H),2.21(s,1H).
13C NMR(100MHz,CDCl3)δ174.6,172.2,159.0,138.3,136.4,134.7,131.4,129.3,128.8,128.3,128.1,127.7,113.7,70.7,60.5,58.9,58.8,55.2,55.1,42.6,38.7,21.1.IR(film)v(cm-1)3356,3028,2941,1733,1680,1611,1512,1447,1247,1144, 1107,1301,910.
化合物(I)-h的表征数据
1H NMR(400MHz,CDCl3)δ7.42(d,J=8.6Hz,2H),7.35-7.29(m,3H), 7.18-7.14(m,2H),6.99(d,J=8.4Hz,2H),6.86(d,J=8.6Hz,2H),6.78(d,J=8.4 Hz,2H),4.95(d,J=13.2Hz,1H),4.75(d,J=13.4Hz,1H),4.55(s,1H),4.24(d,J =3.2Hz,1H),3.84(s,3H),2.84-2.67(m,2H),2.37(s,1H).
13C NMR(100MHz,CDCl3)δ174.3,171.9,159.1,136.4,136.0,134.1,131.6,129.6,128.6,128.5,128.3,127.9,127.8,113.7,69.7,60.5,58.7,55.3,42.6,39.3.IR(film)v(cm-1)3365,2942,2346,1735,1680,1610,1511,1247,1143,1093,1032, 940.
化合物(I)-i的表征数据
1H NMR(400MHz,CDCl3)δ7.38(d,J=8.2Hz,2H),7.32(d,J=3.3Hz,3H), 7.25-7.14(m,3H),7.06(s,1H),6.94(t,J=7.8Hz,1H),6.83(d,J=8.4Hz,2H), 6.73(d,J=7.6Hz,1H),4.91(d,J=13.4Hz,1H),4.80(d,J=13.2Hz,1H),4.55(s, 1H),4.23(d,J=4.2Hz,1H),3.80(s,3H),2.80-2.69(m,2H),2.51(s,1H).
13C NMR(100MHz,CDCl3)δ174.2,171.9,159.0,140.2,136.0,134.1,131.1,129.7,129.0,128.7,128.6,128.2,127.9,127.8,125.9,113.7,69.7,60.6,58.7,58.6,55.3,55.2,42.6,39.4.IR(film)v(cm-1)3352,3040,2935,1735,1680,1609,1510, 1430,1247,1142,1031,924.
化合物(I)-j的表征数据
1H NMR(400MHz,CDCl3)δ7.42(d,J=8.4Hz,2H),7.31(d,J=4.2Hz,3H), 7.17-7.13(m,4H),6.86(d,J=8.4Hz,2H),6.73(d,J=8.2Hz,2H),4.95(d,J= 13.4Hz,1H),4.75(d,J=13.4Hz,1H),4.55(s,1H),4.24(d,J=3.0Hz,1H),3.84 (s,3H),2.87-2.67(m,2H),2.15(s,1H).
13C NMR(100MHz,CDCl3)δ174.2,171.9,159.2,137.0,136.0,131.6,131.5,130.0,128.6,128.3,127.9,127.9,122.4,113.8,69.8,60.5,58.8,58.7,55.3,55.2,42.6,39.4.IR(film)v(cm-1)3353,2939,1734,1678,1610,1510,1251,1174,1141, 1102,1028,809.
化合物(I)-k的表征数据
1H NMR(400MHz,CDCl3)δ7.82(d,J=8.2Hz,1H),7.73(d,J=8.2Hz,1H), 7.62(d,J=8.6Hz,1H),7.46-7.42(m,3H),7.31-7.19(m,3H),7.11(t,J=7.6Hz, 2H),7.04(t,J=7.8Hz,3H),6.95(t,J=7.6Hz,1H),6.87(d,J=8.4Hz,2H),5.53 (s,1H),5.03(d,J=13.4Hz,1H),4.83(d,J=13.4Hz,1H),4.30(d,J=4.8Hz,1H), 3.84(s,3H),2.99-2.95(m,1H),2.86(d,J=11.8Hz,1H),2.03(s,1H).
13C NMR(100MHz,CDCl3)δ174.5,172.9,159.1,135.9,134.0,133.7,132.4,131.5,128.8,128.7,128.6,127.8,127.7,125.9,125.6,125.4,124.5,123.5,113.8,64.8,64.7,60.5,58.8,58.7,55.3,55.2,42.7,39.1.IR(film)v(cm-1)3387,2940, 1733,1678,1612,1511,1323,1246,1143,1033,785.
化合物(I)-l的表征数据
1H NMR(400MHz,CDCl3)δ7.78(d,J=7.8Hz,1H),7.55-7.40(m,7H), 7.35-7.23(m,4H),7.18(d,J=7.4Hz,2H),6.95(d,J=8.4Hz,1H),6.84(d,J=8.6 Hz,2H),4.98(d,J=13.4Hz,1H),4.84(d,J=13.6Hz,1H),4.74(s,1H),4.30(d,J =4.8Hz,1H),3.84(s,3H),2.87-2.83(m,1H),2.77(d,J=11.8Hz,1H),2.48(s, 1H).
13C NMR(100MHz,CDCl3)δ174.5,172.2,159.1,136.2,135.1,133.2,132.9,131.4,128.4,128.3,128.2,128.1,127.8,127.7,127.5,126.3,126.1,125.3,113.8,70.9,60.6,58.9,55.2,42.7,39.0.IR(film)v(cm-1)3352,3036,2946,2251,1732, 1676,1608,1503,1436,1326,1026,921.
化合物(I)-m的表征数据
1H NMR(400MHz,CDCl3)δ7.44(d,J=8.4Hz,2H),7.28-7.22(m,2H), 7.12-7.06(m,3H),7.01-6.94(m,2H),6.89-6.81(m,4H),4.97(d,J=13.2Hz,1H), 4.80(d,J=13.6Hz,1H),4.47(s,1H),4.26(d,J=4.8Hz,1H),3.82(s,3H), 2.83-2.78(m,1H),2.72(d,J=12.0Hz,1H),2.48(brs,1H).
13C NMR(100MHz,CDCl3)δ174.3,172.0,163.4,161.0,159.1,137.3,131.9,131.5,130.2,130.1,128.9,128.6,128.5,128.3,114.6,114.4,113.7,71.4,59.9,58.8,55.3,42.7,38.7.IR(film)v(cm-1)3381,3038,2942,2539,1736,1679,1608,1512, 1247,1148,1108,1028,934.
化合物(I)-n的表征数据
1H NMR(400MHz,CDCl3)δ7.44(d,J=8.4Hz,2H),7.23(d,J=7.4Hz,1H), 7.08(t,J=7.6Hz,2H),6.88-6.85(m,4H),6.73(d,J=8.0Hz,1H),6.65(d,J=8.4 Hz,1H),6.58(s,1H),5.97-5.84(m,2H),4.96(d,J=13.6Hz,1H),4.79(d,J=13.2 Hz,1H),4.48(s,1H),4.20(d,J=4.4Hz,1H),3.82(s,3H),2.76-2.66(m,2H),2.53 (s,1H).
13C NMR(100MHz,CDCl3)δ174.4,172.2,159.1,147.0,146.9,137.8,131.4,130.1,128.7,128.6,128.5,128.3,121.1,113.7,109.8,107.4,101.0,71.3,60.3,58.8,55.2,42.6,39.1.IR(film)v(cm-1)3364,2925,1732,1679,1611,1509,1436,1342, 1245,1146,1034,929.
化合物(I)-o的表征数据
1H NMR(400MHz,CDCl3)δ7.35(d,J=8.4Hz,2H),7.28-7.32(m,6H),7.17(t,J =7.6Hz,2H),7.05(d,J=7.6Hz,2H),6.86(d,J=8.4Hz,2H),4.82(d,J=13.2Hz, 1H),4.71(d,J=13.2Hz,1H),4.45(s,1H),4.09(d,J=4.8Hz,1H),3.85(s,3H), 3.50(d,J=13.6Hz,1H),2.82(d,J=14Hz,1H),2.45(brs,1H),2.18(dd,J=12, 4.2Hz,1H),2.06(d,J=12Hz,1H).
13C NMR(100MHz,CDCl3)δ174.4,172.7,158.9,137.6,137.2,131.1,130.4,129.1,128.4,128.2,126.7,113.6,69.3,58.9,58.9,55.2,42.0,37.8,36.9.IR(film)v(cm-1)3358,3038,2934,1733,1679,1610,1511,1450,1348,1246,1175,1028, 965.
化合物(I)-p的表征数据
1H NMR(400MHz,CDCl3)δ7.33(d,J=8.4Hz,2H),7.18(t,J=7.2Hz,1H), 7.07(t,J=7.4Hz,2H),6.95(d,J=7.6Hz,2H),6.82(d,J=8.4Hz,2H),4.79(s, 1H),4.76-4.65(m,2H),4.15(d,J=5.0Hz,1H),4.04(d,J=10.8Hz,1H),3.95(d,J =10.8Hz,1H),3.81(s,3H),2.53(dd,J=11.8,5.2Hz,1H),2.13(d,J=11.8Hz, 1H),1.19-1.05(m,21H),0.97(d,J=3.6Hz,1H).
13C NMR(100MHz,CDCl3)δ174.6,172.8,159.0,137.9,131.2,129.1,128.4,127.9,126.5,113.6,63.4,60.5,59.3,58.9,55.2,41.8,36.0,18.0,11.9.IR(film)v (cm-1)3377,2993,2949,2358,1724,1674,1613,1512,1460,1381,1244,1177, 1079,1030,932.
显然,本发明的上述实施例仅仅是为清楚地说明本发明所作的举例,而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明权利要求的保护范围之内。