CN114940661B - 一种降樟脑衍生的[2,2,1]-桥环烯酮类化合物及其合成方法和应用 - Google Patents

一种降樟脑衍生的[2,2,1]-桥环烯酮类化合物及其合成方法和应用 Download PDF

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CN114940661B
CN114940661B CN202210768340.3A CN202210768340A CN114940661B CN 114940661 B CN114940661 B CN 114940661B CN 202210768340 A CN202210768340 A CN 202210768340A CN 114940661 B CN114940661 B CN 114940661B
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王春江
沈冲
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Abstract

本发明公开了一种具有手性桥环结构的化合物,包括一种具有手性[2,2,1]桥环结构片段的烯酮衍生物、其衍生物及合成方法,其合成方法为:在有机溶剂中,在惰性气体保护下,以消旋[2,2,1]桥环结构片段的烯酮衍生物和甘氨酸甲酯衍生的亚胺为原料,以金属路易斯酸/手性配体络合物为催化剂,加入碳酸盐或有机碱,在‑60~25℃温度下反应,蒸去溶剂,经柱层析得到目标化合物。所得的手性[2,2,1]桥环结构片段的烯酮衍生物可以进一步反应得到檀香醇。

Description

一种降樟脑衍生的[2,2,1]-桥环烯酮类化合物及其合成方法 和应用
本申请是申请日为2018年06月11日、申请号为201810596173.2、发明名称为“一种降樟脑衍生的[2,2,1]-桥环烯酮类化合物及其合成方法和应用”的专利申请的分案申请。
技术领域
本发明属于具有桥环结构的烯酮的动力学手性拆分和手性多环化合物合成技术领域,尤其涉及具有手性[2,2,1]桥环结构片段的烯酮衍生物。
背景技术
具有手性[2,2,1]桥环结构片段的烯酮衍生物和具有手性桥环螺吡咯环结构片段的多环衍生物都是重要的化合物,它们主要应用于药物、生物活性化合物及香料的合成中((a)Reinhard,B.;Rainer,H.;Volker,T.;Hansjorg,U.Eur.Pat.Appl.EP0488059,1992.(b)Suchocki J.A.;May E.L.;Martin T.J.;George C.;Martin B.R.J.Med.Chem.1991,34,1003.(c)Demole E.;Demole C.;Enggist P.Helv.Chim.Acta.1976,59,737.(d)OddsF.C.Exp.Opin.Ther.Patents 2001,11,283.(e)Chen H.-S.V.;LiptonS.A.J.Neurochem.2006,97,1611.(f)Iqbal,Z.;Ali,S.;Iqbal,J.;Abbas,Q.;Qureshi,I.Z.;Hameed S.Bioorg.Med.Chem.Lett.2013,23,488。
发明内容
本发明的目的是提供一类具有手性[2,2,1]桥环结构片段的烯酮衍生物和具有手性桥环螺吡咯环结构片段的多环衍生物及其合成方法和应用。
本发明提供的一种降樟脑衍生的[2,2,1]-桥环烯酮类化合物,包括具有手性[2,2,1]桥环结构片段的烯酮衍生物和具有手性桥环螺吡咯环结构片段的多环衍生物,
具有手性[2,2,1]桥环结构片段的烯酮衍生物的结构式为如下结构式中的一种:
结构式(Ⅰ-1):结构式(Ⅰ-2):/>结构式(Ⅱ-1):/>结构式(Ⅱ-2):/>结构式(Ⅱ-3):/>
具有手性桥环螺吡咯环结构片段的多环衍生物的结构式为如下结构式中的一种:
结构式(Ⅲ-1):结构式(Ⅲ-2):/>结构式(Ⅳ-1):结构式(Ⅳ-2):/>结构式(Ⅳ-3):
其中,R1为氢、对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基、2-吡啶基、3-吡啶基、4-吡啶基中的一种;R2为对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、邻甲基苯基、对甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基中的一种;R3为氢、苄基、C1-C6的直链烷基、C1-C6的支链烷基中的一种;
上述R1优选为氢、对氯苯基、对溴苯基、间氯苯基、邻氟苯基、苯基、对甲基苯基、邻甲基苯基、对甲氧基苯基、2-萘基、2-噻吩基、2-吡啶基中的一种;R2优选为对氯苯基、对溴苯基、间氯苯基、间溴苯基、邻氯苯基、苯基、对甲氧基苯基、对甲基苯基、邻甲基苯基、邻甲基苯基、2-萘基、1-萘基、2-噻吩基中的一种;R3优选为氢、苄基、甲基中的一种。
本发明还提供了上述化合物的合成方法,包括如下步骤:
在有机溶剂中,在惰性气体保护下,以消旋[2,2,1]桥环结构片段的烯酮衍生物和甘氨酸甲酯衍生的亚胺为原料,以金属路易斯酸/手性配体络合物为催化剂,加入碳酸盐或有机碱,在-60~25℃温度下反应,通过手性气相或手性液相监测反应,达到反应平衡点时蒸去溶剂,经柱层析得到目标化合物
其中,R1为氢、对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基、2-吡啶基、3-吡啶基、4-吡啶基中的一种;R2为对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、邻甲基苯基、对甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基中的一种;R3为氢、苄基、C1-C6的直链烷基、C1-C6的支链烷基中的一种。
所述的消旋[2,2,1]桥环结构片段的烯酮衍生物为3-亚甲基-2-降冰片酮、3-对氯苯亚甲基-2-降冰片酮、3-对溴苯亚甲基-2-降冰片酮、3-间氯苯亚甲基-2-降冰片酮、3-邻氟苯亚甲基-2-降冰片酮、3-对甲基苯亚甲基-2-降冰片酮、3-间甲基苯亚甲基-2-降冰片酮、3-对甲氧基苯亚甲基-2-降冰片酮、3-(2-萘亚甲基)-2-降冰片酮、3-(2-噻吩亚甲基)-2-降冰片酮、3-(2-吡啶亚甲基)-2-降冰片酮、exo-6-亚甲基八氢-4,7-亚甲基茚-5-酮、endo-6-亚甲基八氢-4,7-亚甲基茚-5-酮中的一种。
上述消旋[2,2,1]桥环结构片段的烯酮衍生物和甘氨酸甲酯衍生的亚胺的摩尔比为1:0.5或1:1.5。
上述金属路易斯酸/手性配体络合物采用如下方法制备:室温下,按金属路易斯酸摩尔数不大于手性配体摩尔数取金属路易斯酸和手性配体TF-Biphamphos溶于有机溶剂中,经反应得到。所述的金属路易斯酸/手性配体络合物可以为银盐/TF-Biphamphos络合物或铜盐/TF-Biphamphos络合物。有机溶剂为二氯甲烷。
公开号为CN 101440037B、发明名称为3,3’-二溴-4,4’,6,6’-四(三氟甲基)联苯-2,2’-二胺及其制备方法的中国专利中公开了手性配体(S)-TF-BiphamPhos和(R)-TF-BiphamPhos的结构。
(S)-TF-BiphamPhos的结构式为:(R)-TF-BiphamPhos的结构式为:
在(S)-TF-BiphamPhos或(R)-TF-BiphamPhos的结构式中,R1可以为苯基、3,5-二甲基苯基、3,5-二三氟甲基苯基、或环己基;R2可以为氢或溴。
4)上述碳酸盐或有机碱的使用量为催化量。
5)上述柱层析以硅胶为填充料,以石油醚和乙酸乙酯的混合溶剂为淋洗剂,并且:石油醚和乙酸乙酯的体积比为20:1至1:1。
将上述合成方法制得的具有手性[2,2,1]桥环结构片段的烯酮衍生物置于甲醇溶剂中,以Pd/C为催化剂,经氢化后得到的第一类衍生物 其中,R1为氢、对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基、2-吡啶基、3-吡啶基、4-吡啶基中的一种。
将上述合成方法制得的第一类衍生物置于三氯甲烷中,在碳酸氢钠碱性条件下,以间氯过氧苯甲酸为氧化剂发生拜耳-维立格(Baeyer-Villiger)氧化反应后得到的第二类衍生物 其中,R1为氢、对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基、2-吡啶基、3-吡啶基、4-吡啶基中的一种。
将上述合成方法制得的具有手性[2,2,1]桥环结构片段的烯酮衍生物置于甲醇/四氢呋喃溶剂中,以三氟甲磺酸钙为催化剂,经硼氢化钠还原后得到的第三类衍生物化合物 其中,R1为氢、对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基、2-吡啶基、3-吡啶基、4-吡啶基中的一种。
将上述合成方法制得第二类衍生物中的具有式Ⅸ-2所示结构的化合物置于四氢呋喃溶剂中,以二异丙基氨基锂为碱,与烷基试剂(Stowell iodide)反应后得到的第四类衍生物其中,R1为氢、对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基、2-吡啶基、3-吡啶基、4-吡啶基中的一种。
第四类衍生物可作为香料檀香醇的重要中间体的应用。
与现有技术相比,本发明具有以下优点:
1)本发明方法合成简单,成本低,产率高,所得反应目标化合物对应选择性好,产率57-94%,绝大多数对应选择性过量≥90%;所回收的原料收率40-50%(理论产率=50%),对应选择性过量≥90%。
2)采用本发明方法合成第四类衍生物化合物可作为香料檀香醇的重要中间体的应用;
3)本发明方法采用的催化剂金属路易斯酸/手性配体的络合物,在反应中表现出催化反应速度快和催化剂用量低的优点。
具体实施方式
为了更好地理解本发明,下面结合实施例对本发明作进一步的说明。
下列实施例中采用的手性配体(S)-TF-Biphamphos的结构式为
(R)-TF-Biphamphos的结构式为实施例1:
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-40℃下,依次加入0.20mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到淡黄色固体,产率91%,熔点109-111℃,产物的对映选择性过量94%,HPLC(Chiralpak AD-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=12.94 and 23.80min);[α]30 D=+21.5(c0.52,CH2Cl2);HRMS计算值C18H20ClNNaO3([M+Na]+):356.1024,测量值356.1022。
实施例2
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-40℃下,依次加入0.20mmol2-(间氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率88%,熔点130-132℃,产物的对映选择性过量95%,HPLC(Chiralpak AS-H,i-propanol/hexane=5/95,流速1.0mL/min,λ=220nm,tr=14.72 and 24.80min.);[α]30 D=+42.1(c0.3,CH2Cl2);计算值C18H21ClNO3([M+H]+):334.1204,测量值334.1207。
实施例3
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-40℃下,依次加入0.20mmol2-(对溴苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮,和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率84%,熔点108-110℃,产物的对映选择性过量95%,HPLC(Chiralpak AD-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=13.83 and 25.28min.);[α]30 D=+12.3(c0.33,CH2Cl2);计算值C18H20BrNNaO3([M+Na]+):400.0519,测量值400.0520。
实施例4
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-40℃下,依次加入0.20mmol2-(间溴苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮,和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率85%,熔点117-118℃,产物的对映选择性过量94%,HPLC(Chiralpak AS-H,i-propanol/hexane=5/95,流速1.0mL/min,λ=220nm,tr=18.15 and 32.73min.);[α]30 D=+36.2(c0.46,CH2Cl2);计算值C18H20BrNNaO3([M+Na]+):400.0519,测量值400.0521。
实施例5
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-40℃下,依次加入0.20mmol2-(邻氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮,和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率94%,熔点128-130℃,产物的对映选择性过量94%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=10.39 and 18.26min.);[α]30 D=+53.5(c0.53,CH2Cl2);1H NMR计算值C18H21ClNO3([M+H]+):334.1204,测量值334.1204。
实施例6
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮,和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到白色粘稠液体,产率88%,产物的对映选择性过量93%,HPLC(Chiralpak AD-H,i-propanol/hexane=5/95,流速1.0mL/min,λ=220nm,tr=16.86 and 28.61min.);[α]30 D=+44.7(c0.43,CH2Cl2);计算值C18H22NO3([M+H]+):300.1594,测量值300.1597。
实施例7
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(对甲氧基苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到黄色粘稠液体,产率59%,产物的对映选择性过量95%,HPLC(Chiralpak OD-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=16.72 and 22.88min.);[α]30 D=+36.2(c 0.39,CH2Cl2);计算值C18H22NO3([M+H]+):330.1700,测量值330.1700。
实施例8
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(对甲基苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率74%,熔点76-78℃,产物的对映选择性过量93%,HPLC(Chiralpak AD-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=11.78 and 20.79min.);[α]30 D=+49.4(c0.36,CH2Cl2);计算值C19H23NO3([M+H]+):314.1751,测量值314.1751。
实施例9
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(间甲基苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到黄色粘稠液体,产率66%,产物的对映选择性过量94%,HPLC(Chiralpak AD-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=12.47 and 15.41min.);[α]30 D=+40.6(c 0.48,CH2Cl2);计算值C19H23NO3([M+H]+):314.1751,测量值314.1751。
实施例10
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(邻甲基苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率64%,熔点126-128℃,产物的对映选择性过量97%,HPLC(Chiralpak AD-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=8.67 and 12.03min.);[α]30 D=+58.7(c0.45,CH2Cl2);计算值C19H23NO3([M+H]+):314.1751,测量值314.1751。
实施例11
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(1-萘亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率73%,熔点123-125℃,产物的对映选择性过量95%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=10.80 and 17.05min.);[α]30 D=+77.0(c0.46,CH2Cl2);计算值C22H24NO3([M+H]+):350.1751,测量值350.1751。
实施例12
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(2-萘亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率88%,熔点138-140℃,产物的对映选择性过量93%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=14.89 and 23.96min.);[α]30 D=+34.4(c0.43,CH2Cl2);计算值C22H24NO3([M+H]+):350.1751,测量值350.1751。
实施例13
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(对氯苯亚甲基氨基)丙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率70%,熔点116-118℃,产物的对映选择性过量97%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=6.25 and 10.23min.);[α]30 D=+14.1(c1.02,CH2Cl2);计算值C19H23ClNO3([M+H]+):348.1361,测量值348.1361。
实施例14
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(对甲氧基苯亚甲基氨基)丙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率57%,熔点106-109℃,产物的对映选择性过量>99%,HPLC(Chiralpak AD-H,i-propanol/hexane=30/70,流速1.0mL/min,λ=220nm,tr=6.58 and 9.45min.);[α]30 D=+7.6(c 0.46,CH2Cl2);计算值C20H26NO4([M+H]+):344.1856,测量值344.1856。
实施例15
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.20mmol2-(2-噻吩亚甲基氨基)丙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率64%,熔点94-96℃,产物的对映选择性过量96%,HPLC(Chiralpak AS-H,i-propanol/hexane=3/97,流速1.0mL/min,λ=220nm,tr=30.50 and 34.22min.);[α]30 D=+3.1(c0.32,CH2Cl2);计算值C17H21NNaO3S+([M+Na]+):342.1134,测量值342.1137。
实施例16
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-0℃下,依次加入0.20mmol2-(对氯苯亚甲基氨基)苯丙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol碳酸铯,搅拌60h后,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯3/1-1/1),得到无色粘稠液体,产率68%,产物的对映选择性过量>99%,HPLC(Chiralpak OD-H,i-propanol/hexane=5/95,流速1.0mL/min,λ=220nm,tr=7.65 and 9.10min.);[α]30 D=-16.3(c 0.42,CH2Cl2);计算值C25H26ClNNaO3 +([M+Na]+):446.1493,测量值446.1493。
实施例17
的制备/>
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-60℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性气相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,无色液体,产率44%,回收原料的对映选择性过量92%,GC(ChiralSelect-1000,30m×0.25mm,柱温:150℃,载气:N2,1.0mL/min,tr=4.75 and 4.95min.);[α]30 D=-3.0(c 0.29,CH2Cl2);
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率46%,产物的对映选择性过量94%。
实施例18
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-苯亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性气相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,黄色液体,产率46%,回收原料的对映选择性过量94%,GC(ChiralSelect-1000,30m×0.25mm,柱温:180℃,载气:N2,1.0mL/min,tr=29.13 and 30.76min.);[α]30 D=-552.1(c 0.38,CH2Cl2);
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到无色粘稠液体,产率48%,产物的对映选择性过量93%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速:1.0mL/min,λ=220nm,tr=6.56and 15.95min.);[α]30 D=+57.5(c 0.28,CH2Cl2);计算值C24H24ClNNaO3 +([M+Na]+):432.1337,测量值432.1337。
实施例19
的制备/>
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-对氯苯亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,淡黄色固体,产率45%,回收原料的对映选择性过量97%,HPLC(Chiralpak OJ-H,i-propanol/hexane=2/98,流速1.0mL/min,λ=300nm,tr=11.00 and12.42min.);[α]30 D=-415.9(c 0.27,CH2Cl2);1H NMR
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率49%,熔点145-147℃,产物的对映选择性过量93%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=6.35 and 16.73min.);[α]30 D=+21.5(c 0.67,CH2Cl2);计算值C24H23Cl2NNaO3 +([M+Na]+):466.0947,测量值466.0949。
实施例20
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-对溴苯亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,白色固体,熔点85-86℃,产率45%,回收原料的对映选择性过量97%,HPLC(Chiralpak OJ-H,i-propanol/hexane=2/98,流速1.0mL/min,λ=300nm,tr=12.94 and 13.78min.);[α]30 D=-331.4(c 0.36,CH2Cl2);计算值C14H13BrNaO+([M+Na]+):299.0042,测量值299.1110。
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率50%,熔点148-150℃,产物的对映选择性过量93%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=6.58 and 16.81min.);[α]30 D=+15.3(c 0.17,CH2Cl2);计算值C24H23BrClNNaO3 +([M+Na]+):510.0442,测量值510.0446。
实施例21
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-间氯苯亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,黄色液体,产率45%,回收原料的对映选择性过量96%,HPLC(Chiralpak OJ-H,i-propanol/hexane=2/98,流速1.0mL/min,λ=300nm,tr=9.97 and11.39min.);[α]30 D=-313.1(c 0.26,CH2Cl2);计算值C14H13ClNaO+([M+Na]+):255.0547,测量值255.0551。
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率48%,熔点123-125℃,产物的对映选择性过量93%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=6.91 and 16.93min.);[α]30 D=+39.0(c 0.41,CH2Cl2);计算值C24H23Cl2NNaO3 +([M+Na]+):466.0947,测量值466.0953。
实施例22
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-邻氟苯亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,黄色液体,产率43%,回收原料的对映选择性过量99%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=290nm,tr=7.13 and8.03min.);[α]25 D=-261.1(c 0.26,CH2Cl2);计算值C14H13FNaO+([M+Na]+):239.0843,测量值239.0845。
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到黄色液体,产率51%,产物的对映选择性过量83%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=7.47 and 13.42min.);[α]30 D=+48.6(c 0.66,CH2Cl2);Major:计算值C24H23ClFNNaO3 +([M+Na]+):450.1243,测量值450.1243。
实施例23
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-对甲基苯亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,黄色液体,产率46%,回收原料的对映选择性过量97%,HPLC(Chiralpak OJ-H,i-propanol/hexane=2/98,流速1.0mL/min,λ=300nm,tr=8.59 and11.27min.);[α]30 D=-529.1(c 0.47,CH2Cl2);1H NMR
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率48%,熔点124-126℃,产物的对映选择性过量93%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=5.70 and 12.29min.);[α]30 D=+40.8(c 0.66,CH2Cl2);计算值C25H26ClNNaO3 +([M+Na]+):446.1493,测量值446.1497。
实施例24
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-间甲基苯亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,黄色液体,产率47%,回收原料的对映选择性过量94%,HPLC(Chiralpak OJH,i-propanol/hexane=2/98,流速1.0mL/min,λ=300nm,tr=8.22 and10.05min);[α]30 D=-293.9(c 0.36,CH2Cl2);计算值C15H16NaO+([M+Na]+):235.1093,测量值235.1104。
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率46%,熔点118-120,产物的对映选择性过量93%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=5.70 and 12.29min.);[α]30 D=+45.1(c 0.90,CH2Cl2);计算值C25H26ClNNaO3 +([M+Na]+):446.1493,测量值446.1493。
实施例25
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-对甲氧基苯亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯10/1-5/1),回收得到原料,黄色液体,产率50%,回收原料的对映选择性过量87%,HPLC(Chiralpak OJ-H,i-propanol/hexane=2/98,流速1.0mL/min,λ=300nm,tr=23.87 and30.81min.);[α]30 D=-416.0(c 0.30,CH2Cl2);
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率42%,熔点140-141℃,产物的对映选择性过量97%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=8.61 and 19.50min.);[α]30 D=+36.0(c 0.42,CH2Cl2);计算值C25H26ClNNaO4 +([M+Na]+):462.1443,测量值462.1443。
实施例26
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-(2-萘亚甲基)-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,黄色固体,产率46%,熔点91-93℃,回收原料的对映选择性过量95%,HPLC(Chiralpak IA,i-propanol/hexane=1/99,流速1.0mL/min,λ=300nm,tr=11.41 and 12.92min.);[α]30 D=-504.2(c 0.28CH2Cl2);计算值C18H16NaO+([M+Na]+):271.1093,测量值271.1100。
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率46%,熔点140-142℃,产物的对映选择性过量94%,HPLC(Chiralpak AS-H,i-propanol/hexane=20/80,流速1.0mL/min,λ=220nm,tr=5.79 and 11.80min.);[α]30 D=+10.5(c 0.75,CH2Cl2);计算值C28H26ClNNaO3 +([M+Na]+):482.1493,测量值482.1493。
实施例27
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-(2-噻吩亚甲基)-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,黄色液体,产率46%,回收原料的对映选择性过量91%,HPLC(Chiralpak OJ-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=320nm,tr=8.51 and9.51min.);[α]30 D=-513.5(c 0.17,CH2Cl2);计算值C12H12NaOS+([M+Na]+):227.0501,测量值227.0486。
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率45%,熔点157-159℃,产物的对映选择性过量94%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=7.61 and 15.38min.);[α]30 D=+82.6(c 0.35,CH2Cl2);1H NMR计算值C22H22ClNNaO3S+([M+Na]+):416.1082,测量值416.1085。
实施例28
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-(2-吡啶亚甲基)-2-降冰片酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯10/1),回收得到原料,褐色液体,产率45%,回收原料的对映选择性过量98%,HPLC(Chiralpak OJ-H,i-propanol/hexane=2/98,流速1.0mL/min,λ=300nm,tr=13.88 and17.92min.);[α]30 D=-219.2(c 0.25,CH2Cl2);计算值C13H14NO+([M+Na]+):200.1070,测量值200.1068。
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到黄色固体,产率45%,熔点162-164℃,产物的对映选择性过量97%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=9.05 and 15.24min.);[α]30 D=+15.0(c 0.24,CH2Cl2);计算值C23H23ClN2NaO3 +([M+Na]+):433.1289,测量值433.1287。
实施例29
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol exo-6-亚甲基八氢-4,7-亚甲基茚-5-酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,无色液体,产率45%,回收原料的对映选择性过量91%,HPLC(Chiralpak AS-H,i-propanol/hexane=2/98,流速1.0mL/min,λ=220nm,tr=7.55 and 8.47min.);[α]30 D=-0.7(c 0.19,CH2Cl2);
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到黄色液体,产率48%,产物的对映选择性过量96%,HPLC(Chiralpak IA,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=11.25 and 25.54min.);[α]30 D=-37.8(c 0.27,CH2Cl2);计算值C21H25ClNO3 +([M+H]+):374.1517,测量值374.1517。
实施例30
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol endo-6-亚甲基八氢-4,7-亚甲基茚-5-酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,无色液体,产率44%,回收原料的对映选择性过量90%,HPLC(Chiralpak AS-H,i-propanol/hexane=2/98,流速1.0mL/min,λ=220nm,tr=5.27 and 6.35min.);[α]30 D=+25.0(c 0.02,CH2Cl2);
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到白色液体,产率45%,产物的对映选择性过量85%,HPLC(Chiralpak AD-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=15.47 and 25.34min.);[α]30 D=+2.1(c 0.33,CH2Cl2);计算值C21H24ClNNaO3 +([M+Na]+):396.1337,测量值396.1337。
实施例31
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(S)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-20℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-3,4-二氢-1,4-亚甲基萘酮-2-酮和0.06mmol三乙胺,通过手性液相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,白色固体,产率46%,回收原料的对映选择性过量90%,HPLC(Chiralpak OJ-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=220nm,tr=13.95 and 18.83min.);[α]30 D=+36.3(c 0.47,CH2Cl2);计算值C22H20ClNNaO3 +([M+H]+):404.1024,测量值404.1024。
实施例32
的制备
在25mL反应管中加入0.02mmol Cu(CH3CN)4BF4与0.022mmol(R)-TF-BiphamPhos,在氮气保护下,加入2mL二氯甲烷,室温下搅拌半小时,然后在-60℃下,依次加入0.60mmol2-(对氯苯亚甲基氨基)乙酸甲酯、0.40mmol 3-亚甲基-2-降冰片酮和0.06mmol三乙胺,通过手性气相色谱监测反应,反应结束后蒸去溶剂,经硅胶柱层析(石油醚/乙酸乙酯20/1-10/1),回收得到原料,无色液体,产率40%,回收原料的对映选择性过量>99%,GC(ChiralSelect-1000,30m×0.25mm,柱温:150℃,载气:N2,1.0mL/min,tr=4.75 and 4.95min.);[α]30 D=+5.7(c 0.51,CH2Cl2);
的制备
产物经加大洗脱剂极性(石油醚/乙酸乙酯3/1-1/1),得到白色固体,产率51%,产物的对映选择性过量85%。
实施例33
的制备
在25mL反应管中加入2.50mmol实施例32中的回收原料,50mg 10%Pd/C,加入5mL甲醇,通入一个压力的H2,室温下搅拌2小时,蒸去溶剂,产物经硅胶柱层析(石油醚/乙醚20/1),得到无色液体,产率99%,产物的对映选择性过量>99%,GC(Chiral Select-1000,30m×0.25mm,柱温:150℃,载气:N2,1.0mL/min,tr=8.88 and 9.42min.);[α]30 D=-46.1(c0.54,CH2Cl2);HRMS计算值for C8H12NaO+([M+Na]+):147.0780,测量值147.0780。
实施例34
的制备
在25mL反应管中加入0.80mmol对映选择性过量95%的原料,16mg 10%Pd/C,加入4mL甲醇,通入一个压力的H2,室温下搅拌4小时,蒸去溶剂,产物经硅胶柱层析(石油醚/乙醚20/1),得到无色液体,产率81%,产物的对映选择性过量95%,HPLC(Chiralpak OJ-H,i-propanol/hexane=5/95,流速1.0mL/min,λ=220nm,tr=11.08 and 11.86min.);[α]30 D=-35.3(c 0.37,CH2Cl2);HRMS计算值for C14H16NaO+([M+Na]+):223.1093,测量值223.1093。
实施例35
的制备
在25mL反应管中加入0.22mmol间氯过氧苯甲酸,0.12mmol碳酸氢钠,加入6mL二氯甲烷,后在0℃下滴加1mL的0.20mmol实施例34中的产物的二氯甲烷溶液,恢复室温下搅拌6小时,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯10/1-3/1),得到白色固体,产率98%,熔点70-72℃,产物的对映选择性过量96%,HPLC(Chiralpak AS-H,i-propanol/hexane=10/90,流速1.0mL/min,λ=210nm,tr=27.92 and 44.25min.);[α]30 D=+20.7(c0.15,CH2Cl2);HRMS计算值for C14H16NaO2 +([M+Na]+):239.1043,测量值239.1043。
实施例36
的制备
在25mL反应管中加入0.80mmol对映选择性过量95%的原料,0.50mmol三氟甲磺酸钙,加入0.5mL甲醇中,后滴加6mL的2.00mmol硼氢化钠的四氢呋喃溶液,室温下搅拌0.5小时,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯10/1-5/1),得到白色固体,产率88%,熔点108-110℃,产物的对映选择性过量95%,HPLC(Chiralpak AS-H,i-propanol/hexane=5/95,流速1.0mL/min,λ=254nm,tr=7.20 and 8.05min.);[α]30 D=-300.8(c 0.41,CH2Cl2)。
实施例37
的制备
氮气氛围下在25mL反应管中加入1.60mmol二异丙基乙基胺,加入2mL四氢呋喃,在0℃下滴加0.6mL的2.5M正丁基锂的四氢呋喃溶液,搅拌10分钟,后加入1.00mmol实施例33中的产物,后加入烷基化试剂(Stowell iodide),反应30分钟后,回流反应20小时,蒸去溶剂,产物经硅胶柱层析(石油醚/乙酸乙酯/三乙胺85/15/1),得到黄色液体,产率70%,产物的对映选择性过量>99%,[α]22 D=-79.3(c3.10,CHCl3);
实施例1-31所得化合物的产率和对应选择性过量见表1所示。
表1实施例所得化合物的产率和对映体过量
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实施例38:杀菌活性检测
药液浓度50ppm,用5mm打孔器取所制的琼脂片,分挑入各培养皿,设空白对照,将其在恒温培养箱27℃培养48-72小时,检查菌斑直径,抑制率=(对照菌斑直径-样品菌斑直径)/对照菌斑直径×100%,同时做一重复。测定结果见表2。
助溶剂:二甲基甲酞胺;乳化剂:吐温-80;配制溶液:无菌水。其中,二甲基甲酞胺/H2O=1/1000;乳化剂/H2O=5/1000(重量百分比)。
表2本发明化合物的抑菌率
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最后说明的是,以上实施例仅用以说明本发明的技术方案而非限制,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的宗旨和范围,其均应涵盖在本发明的权利要求范围当中。

Claims (3)

1.一种降樟脑衍生的[2,2,1]-桥环烯酮类化合物,其特征在于:结构式为如下结构式中的一种:
结构式(Ⅰ-1):
结构式(Ⅰ-2):
结构式(Ⅱ-1):
结构式(Ⅱ-2):
结构式(Ⅱ-3):
其中,R1为氢、对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基、2-吡啶基、3-吡啶基、4-吡啶基中的一种。
2. 一种合成权利要求1所述的降樟脑衍生的[2,2,1]-桥环烯酮类化合物的方法,其特征在于,包括以下步骤:在有机溶剂中,在惰性气体保护下,以消旋[2,2,1]桥环结构片段的烯酮衍生物和甘氨酸甲酯衍生的亚胺为原料,以金属路易斯酸/手性配体络合物为催化剂,加入碳酸盐或有机碱,在-60~25℃温度下反应,通过手性气相或手性液相监测反应,达到反应平衡点时蒸去溶剂,经柱层析得到目标化合物(Ⅰ-1)、/>(Ⅰ-2)、 />(Ⅱ-1)、/>(Ⅱ-2)、 />(Ⅱ-3);
其中,R1为氢、对卤苯基、邻卤苯基、间卤苯基、苯基、对甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、2-萘基、1-萘基、2-噻吩基、3-噻吩基、2-吡啶基、3-吡啶基、4-吡啶基中的一种;
所述的金属路易斯酸/手性配体络合物采用如下方法制备:室温下,按金属路易斯酸摩尔数不大于手性配体摩尔数取金属路易斯酸和手性配体溶于有机溶剂中,经反应得到,其中金属路易斯酸为 Cu(CH3CN)4BF4,手性配体为 (S)-TF-Biphamphos 或(R)-TF-Biphamphos,碳酸盐为碳酸铯,有机碱为三乙胺,(S)-TF-Biphamphos的结构式为,(R)-TF-Biphamphos的结构式为/>
3.根据权利要求2所述的方法,其特征在于:所述的消旋[2,2,1]桥环结构片段的烯酮衍生物和甘氨酸甲酯衍生的亚胺的摩尔比为1:0.5或1:1.5。
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