手性螺环膦-氮-硫三齿配体及其制备方法和应用_2

文档序号:8916326阅读:来源:国知局
干燥剂,滤液用旋转蒸发仪脱除溶剂后所得粗产品直接用于下一步还原反应。
[0035] 在氮气氛围中,称取无水氯化错(120mg,0. 9mmol),氢化错锂(34mg,0. 9mmol)和 3mL无水乙醚于15mL干燥的Schlenk管中,油浴加热至40°C使体系回流反应0. 5小时后冷 却至室温。用注射器向体系中滴加上一步制备的酰胺粗产品的乙醚溶液(3mL)。滴毕,室温 搅拌2小时,TLC检测原料反应完全(TLC检测,石油醚:乙酸乙酯=10 : 1)。在冰水浴冷 却下,向体系中滴加2mL水淬灭反应,分液,水相用乙酸乙酯萃取(3mLX3)。有机相用饱和 食盐水洗涤,无水硫酸镁干燥,静置。抽滤除去干燥剂,滤液用旋转蒸发仪脱除溶剂。残余 物经硅胶柱层析(石油醚:乙酸乙醋=30 : 1)得到白色固体147mg,两步收率63%。
[0036] Mp 58-60。。,[a] g 228. 8 (c 0· 5, CHCl3). 1H NMR (400MHz,CDCl3) δ 7. 30-7. 24 (m, 3H),7· 23-7. 13(m,6H),7· 09(t,J = 7· 8Hz,2H),6· 93(dd,J = 8· 0,1. 6Hz,2H),6· 72(dd,J = 7· 6,1. 6Hz,2H),6· 66(d,J = 7. 3Hz,1H),6· 09(d,J = 7. 9Hz,1H),3· 40(t,J = 5. 4Hz,1H), 3· 12-2. 66(m,7H),2· 66-2. 55(m,1H),2· 38(dd,J = 22. 0,11. 0Hz,1H),2· 21-2. 05(m,3H), 1.19(s,18H),1.15(s,18H) ;31P NMR(162MHz,CDCl3) S-18.9(s).13C NMR(101MHz,CDCl3) δ 152. 6 (d,J = 24. 5Hz),150. 0 (d,J = 6. 8Hz),149. 9 (d,J = 6. 0Hz),144. 7 (d,J = 2. 6Hz), 144. l(d,J = 7. 3Hz),143. 8(d,J = 3. 4Hz),138. 5(d,J = 11. 9Hz),136. 4(d,J = 13. 3Hz), 135. 8,135. 2,135. 0,134. 0(d,J = I. 9Hz),130. 1,129.0,128.4 (d,J = 7.0Hz),128. I (d, J = 9. 5Hz),127. 8,127. 1,126. 4,125. 9,122. 4,121. 5,113. 8,108. 0,61. 7(d,J = 3. 4Hz), 41. 9,39. 0(d,J = 3. 7Hz),36. I,34. 9, 34. 8,33. 9,31. 6,31. 5,31. 3,31. 0· HRMS (MALDI) Calcd for C53H67NPS[M+H]+:780. 4726 ;Found :780. 4724.
[0037] (以下实施例中只是改变反应物,操作过程同实施例1,制备化合物Ib-化合物 Io) 〇
[0038] 实施例2 :
[0039] (R)-N-(2_ (苯硫基)乙基)_7二-(3, 5_二甲基苯基)勝基_7氛基_1, P -螺二氢茚(Ib)的合成
[0040]
[0041] 具体操作参见实例1,白色固体,收率:65%。
[0042] Mp 58-60 °C,[a] 2d5 277. 0 (c 0· 5, CHCl3) · 1H NMR (400MHz,CDCl3) δ 7. 28-7. 08 (m, 8H),7.03(t,J = 7.6Hz,lH),6.84(s,lH),6.81(s,lH),6.72-6.63(m,3H),6.58(d,J = 7.1Hz,2H),5.92(d,J = 7.9Hz,lH),3.17-3.11(m,lH),3.08-2.96(m,4H),2.78(td,J = 12. 9,6. 5Hz,1H),2. 68-2. 53 (m,2H),2. 53-2. 43 (m,1H),2. 43-2. 33 (m,2H),2. 33-2. 23 (m, 1H),2.17(s,6H),2.16(s,6H) ;31P NMR(162MHz,CDC13) S-22.6(s) ;13C NMR(101MHz,CDC13) δ 153. I (d,J = 25. 3Hz),144. 6 (d,J = 2. 8Hz),144. I (d,J = 7. 7Hz),143. 5 (d,J = I. 8Hz), 139. 5 (d,J = 13. 0Hz),137. 3 (d,J = 6. 0Hz),137. I (d,J = 8. 1Hz),136. 2 (d,J = 13. 3Hz), 135. 8,135. 0,134. 8,134. 4(d,J = 2. 9Hz),133. 4(d,J = 3. 4Hz),132. 5,132. 2,130. 9, 130. 7,130. 4,130. 1,129. 5,129. 0,128. 1,127. 5,126. 4,126. 0,113. 7,107. 9,61. 7(d,J = 3. 2Hz) ,41. 5,39. 9(d, J = 6. 0Hz), 36. 3, 33. 8, 31. 5, 31. I, 21. 4. HRMS (MALDI) Calcd for C41H43NPS [M+H]+:612. 2848 ;Found :612. 2845.
[0043] 实施例3 :
[0044] (R)-N-(2-(苯硫基)乙基)-7^ -二苯基膦基-7'-氨基-1,I'-螺二氢茚(Ic) 的合成
[0045]
[0046] 具体操作参见实例1,白色固体,收率:51%。
[0047] Mp 55-58 °C,[a]g 245.5 (c 0.5, CHCl3).1!! NMR (400MHz,CDCl3) δ 7. 31-6. 91 (m, 19H),6· 65 (d,J = 7. 3Hz,1H),5· 93 (d,J = 7. 9Hz,1H),3· 27-3. 18 (m,1H),3. 11-2. 93 (m, 4H),2· 93-2. 81 (m,1H),2· 68 (t,J = 6. 5Hz,2H),2· 53-2. 33 (m,3H),2· 32-2. 23 (m,1H), 2.18-2.08(m,lH) ;31P NMR(162MHz,CDC13) S-22.3(s) ;13C NMR(101MHz,CDC13) Sl53.3(d, J = 25. 3Hz),144. 6 (d,J = 3. 1Hz),144. 3 (d,J = 7. 8Hz),143. 4,139. 7 (d,J = 13. 9Hz), 136. 8(d,J = 14. 0Hz),135. 6, 134. 5(d,J = 2. 5Hz),134. 34, 134. 25,134. 1,134. 0, 133.3,133.2(d,J = 3.5Hz),133.1,130.0,129.0,128.4(d,J = 3.6Hz),128.1(d,J = 5. 5Hz),128. 0(d,J = 7. 3Hz),127. 7(d,J = 9. 9Hz),126. 4,126. 3,113. 8,108. 0,61. 7(d, J = 3. 2Hz),41. 3,40.0 (d,J = 5. 3Hz),36. 2, 33. 9, 31. 5, 31. I. HRMS (MALDI) Calcd for C37H35NPS[M+H]+:556. 2222 ;Found :556. 2216.
[0048] 实施例4 :
[0049] (R) -N_ (2- (2,6_二甲基苯硫基)乙基)-7-二-(3,5_二叔丁基苯基)勝 基-7'-氨基_1,1'-螺二氢茚(Id)的合成
[0050]
[0051] 具体操作参见实例1,白色固体,收率:69%。
[0052] Mp 71-74 °C,[a]2D5 159. 2 (c 0· 5, CHCl3). 1H NMR (400MHz,CDCl3) δ 7. 31-7. 27 (m, 2Η),7· 23-7. 16 (m,2Η),7· 12-7. 02 (m,5Η),6· 94 (dd,J = 8· 0,1. 6Hz,2Η),6· 73 (dd,J = 7.6,1.6Hz,2H),6.66(d,J = 7.4Hz,lH),6.03(d,J = 8.0Hz,lH),3.42-3.35(m,lH), 3· 13-2. 87 (m,3H),2· 86-2. 72 (m,2H),2· 55-2. 44 (m,3H),2· 39 (s,6H),2· 20-2. 06 (m,3H), 1.20(s,18H),1.16(s,18H) ;31P NMR(162MHz,CDCl3) S-18.8(s) ;13C NMR(101MHz,CDCl3) δ 152. 6 (d,J = 24. 7Hz),150. 0 (d,J = 6. 9Hz),149. 9 (d,J = 6. 1Hz),144. 6 (d,J = 3. 1Hz), 144. l(d,J = 7. 4Hz),143. 9(d,J = 3. 4Hz),143. 3,138. 4(d,J = 11. 8Hz),136. 4(d,J = 13. 5Hz),135. I (d,J = 23. 2Hz),133. 9 (d,J = I. 7Hz),133. 2,132. 4 (d,J = 3. 3Hz),128. 4, 128.3(d,J = 6.0Hz),128. 2,128.1 (d,J = 2. 5Hz),127. 9,127.1,126.0,122. 3,121. 5, 113.7,107.8,61.7(d,J = 3.2Hz),42.4,38.9(d,J = 3·6Ηζ),36·0,35·1,34·9,34·8, 31. 6,31. 5,31. 3,31. 0,22. 2. HRMS(MALDI)Calcd for C55H71NPS[M+H]+:808. 5039 ;Found : 808. 5042.
[0053] 实施例5 :
[0054] (R)-N-(2_(3,5-二甲基苯硫基)乙基)-7-二_(3,5-二叔丁基苯基)膦 基-7'-氨基_1,1'-螺二氢茚(Ie)的合成
[0055]
[0056] 具体操作参见实例1,白色固体,收率:65%。
[0057] Mp 60-62 °C,[a]2D5 229. 0 (c 0· 5, CHCl3). 1H NMR (400MHz,CDCl3) δ 7. 28-7. 13 (m, 4H),7.12-7.05(m,2H),6.92(d,J = 8.0Hz,2H),6.82(s,2H),6.77(s,lH),6.72(d,J = 7.5Hz,2H),6.65(d,J = 7.4Hz,lH),6.09(d,J = 8.0Hz,lH),3.41(t,J = 5.5Hz,lH), 3. 09-2. 57 (m,8H),2. 43-2. 31 (m,1H),2. 23 (s,6H),2. 18-2. 06 (m,3H),I. 18 (s,18H), 1.14(s,18H) ;31P NMR(162MHz,CDC13) S-18.8(s) ;13C NMR(101MHz,CDC13) Sl52.6(d,J = 24. 5Hz), 150. 0 (d, J = 6. 6Hz), 149. 9 (d, J = 5. 9Hz), 144. 6 (d, J = 2. 8Hz), 144. I (d, J = 7. 4Hz),143. 8 (d,J = 3. 2Hz),138. 5,136. 3,135. 3,134. 9,133. 9,132. 6 (d,J = 3. 7Hz), 128. 4,128. 3(d,J = 6. 6Hz),128. 1,127. 9,127. 7,127. 1,125. 9,123. 3,122. 3,121. 5, 113.7,107.9,61.7(d,J = 3.0Hz),42.0,39.0(d,J = 3·7Ηζ),36·0,34·9,34·8,33·7, 31. 6,31. 5,31. 3,30. 9,21. 3. HRMS(MALDI)Calcd for C55H71NPS[M+H]+:808. 5039 ;Found : 808.5039
[0058] 实施例6 :
[0059] (R)-N-(2_ (4_甲基苯硫基)乙基)_7_二-(3, 5_二叔丁基苯基)勝基_7氛 基-1,Ρ -螺二氢茚(If)的合成
[006^1
[0061] 具体操作参见实例1,白色固体,收率:70%。
[0062] Mp 60-62°C[a]2D5 236. l(c 0· 5, CHCl3). 1H NMR (400MHz,CDCl3) δ 7. 29-7. 14 (m,4H), 7· 13-6. 99(m,6H),6· 92(d,J = 8· 0Ηζ,2Η),6· 72(d,J = 7· 5Ηζ,2Η),6· 65(d,J = 7· 3Hz, lH),6.06(d,J = 7·9Ηζ,1Η),3.40 (t,J = 5·3Ηζ,1Η),3.09-2. 53 (m,8H),2.44-2. 33 (m, 1Η),2· 28(s,3H),2· 17-2. 06(m,3H),I. 18(s,18Η),I. 1
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