CN110054567B - 一种enobin轴手性化合物及其合成方法 - Google Patents

一种enobin轴手性化合物及其合成方法 Download PDF

Info

Publication number
CN110054567B
CN110054567B CN201910348617.5A CN201910348617A CN110054567B CN 110054567 B CN110054567 B CN 110054567B CN 201910348617 A CN201910348617 A CN 201910348617A CN 110054567 B CN110054567 B CN 110054567B
Authority
CN
China
Prior art keywords
nmr
acetone
phenyl
enobin
yield
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910348617.5A
Other languages
English (en)
Other versions
CN110054567A (zh
Inventor
谭斌
王永彬
张健
吴权昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest University of Science and Technology
Original Assignee
Southwest University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southwest University of Science and Technology filed Critical Southwest University of Science and Technology
Priority to CN201910348617.5A priority Critical patent/CN110054567B/zh
Publication of CN110054567A publication Critical patent/CN110054567A/zh
Application granted granted Critical
Publication of CN110054567B publication Critical patent/CN110054567B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/54Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
    • C07C211/56Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C215/00Compounds containing amino and hydroxy groups bound to the same carbon skeleton
    • C07C215/74Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/52Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
    • C07C229/54Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
    • C07C229/60Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring with amino and carboxyl groups bound in meta- or para- positions
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00Carboxylic acid nitriles
    • C07C255/49Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C255/58Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

本发明属于轴手性化合物领域,公开了一种ENOBIN轴手性化合物,其具有如下通式:
Figure DDA0002043191410000011
Ar为
Figure DDA0002043191410000012
Figure DDA0002043191410000013
其中,R1、R2各自独立地选自氢、烷基、炔基、烯基、苯基、烷氧基、氨基、卤素、三氟甲基、氰基、羟基、醛基、羧基、乙酰基、酯基、硝基、酰胺基、磺酰基、磺酸基、巯基、硫烷基;R3选自烷基、苯基、取代苯基;R4选自氢、烷基、炔基、烯基、烷氧基、卤素、氰基、羟基、醛基、羧基、酯基;n为0或1;R9为烷氧基。本发明还公开了ENOBIN轴手性化合物的合成方法,本发明设计了一种结构新颖的轴手性ENOBIN化合物,其具有独特的空间构型,是BINOL和SPINOL骨架的补充;通过手性
Figure DDA0002043191410000014
酸催化芳基炔烃的不对称氢化芳基化来构建ENOBIN骨架,具有良好的产率、优异的E/Z选择性和对映选择性。

Description

一种ENOBIN轴手性化合物及其合成方法
技术领域
本发明属于轴手性化合物领域,具体涉及一种ENOBIN轴手性化合物及其合成方法。
背景技术
自1980年以来,带有轴手性1,1'-联萘骨架的BINOL作为不对称过渡金属催化的配体而广泛应用。但是对于一些特定类型的反应,对映选择性效果不佳,因此,又开发了TADDOL和SPINOL手性骨架的配体。目前在寻找不对称反应的配体或者催化剂时,通常同时筛选BINOL和SPINOL衍生物。轴手性BINOL和SPINOL化合物已经广泛应用于不对称催化领域,然而仍然有必要探索新型结构骨架的轴手性配体。
Figure BDA0002043191390000011
发明内容
炔烃的官能化是构建烯烃的有效方法之一,炔烃的活化通常依赖于过渡金属催化。2012年,Freccero的研究小组用2-亚炔基酚通过辐射的激发态质子转移获得亚乙烯基-醌甲基化物(VQMs),在接下来的几年中,Irie和Yan的研究小组先后报道了利用手性有机碱催化的不对称分子内杂Diels-Alder反应原位形成VQMs。这些结果表明,邻羟基苯基能够在没有过渡金属催化的温和条件下实现炔基官能化,通过VQM可以对炔烃的分子间亲核加成进行轴手性控制。手性双功能
Figure BDA0002043191390000013
酸用于许多不对称反应,发明人设想手性
Figure BDA0002043191390000014
酸活化炔烃进而提供亲电子VQM,随后加入亲核萘酚,最终形成ENOBIN。
本发明的目的是设计一种双取代的ENOBIN(1,1'-(乙烯-1,1-二基)联萘酚胺)化合物,这种轴手性骨架可以作为NOBIN配体/催化剂的有益补充。
本发明的另一目的是提供该ENOBIN轴手性化合物的合成方法。
为达到上述目的之一,本发明采用以下技术方案:
一种ENOBIN轴手性化合物,其具有如下通式:
Figure BDA0002043191390000012
Ar为
Figure BDA0002043191390000021
其中,R1、R2各自独立地选自氢、烷基、炔基、烯基、苯基、烷氧基、氨基、卤素、三氟甲基、氰基、羟基、醛基、羧基、乙酰基、酯基、硝基、酰胺基、磺酰基、磺酸基、巯基、硫烷基;
R3选自烷基、苯基、取代苯基;
R4选自氢、烷基、炔基、烯基、烷氧基、卤素、氰基、羟基、醛基、羧基、酯基;
n为0或1;
R9为烷氧基。
进一步地,R1选自氢、烷基、苯基、烷氧基、卤素、酯基、羟基。
进一步地,R1选自氢、甲基、苯基、甲氧基、溴、酯基、羟基。
进一步地,R2选自氢、烷基、炔基、苯基、卤素、烷氧基。
进一步地,R2选自氢、甲基、叔丁基乙炔基、苯基、溴、甲氧基。
进一步地,R3选自烷基、苯基、卤代苯基;R4选自氢、卤素、氰基、酯基。
进一步地,R3选自叔丁基、异丙基、乙基、苯基、氯代苯基、溴代苯基。
进一步地,R4选自氢、氯、氰基、酯基。
进一步地,R9为甲氧基。
一种上述的ENOBIN轴手性化合物的合成方法,包括以下步骤:以手性磷酸为催化剂,式A化合物和式B化合物反应,得到ENOBIN轴手性化合物:
Figure BDA0002043191390000022
进一步地,所述手性磷酸选自以下结构之一:
Figure BDA0002043191390000023
其中,R5选自苯基、1-萘基、9-蒽基、9-菲基、4-苯基-苯基、3,5-二三氟甲基-苯基、3,5-二叔丁基-苯基、2,4,6-三甲基苯基、2,4,6-三异丙基苯基、2-萘基、4-三氟甲基-苯基、4-(2-萘基)-苯基;
XH为OH或NHTf,R6选自2,4,6-三异丙基苯基、9-蒽基、9-菲基、苯基、1-萘基、4-苯基-苯基、3,5-二三氟甲基-苯基、3,5-二叔丁基-苯基;
R7选自9-蒽基、9-菲基、1-萘基、4-苯基-苯基、3,5-二三氟甲基-苯基、3,5-二叔丁基-苯基、2,4,6-三甲基苯基;
R8为9-菲基,X为氢或溴。
进一步地,R5选自苯基、1-萘基、9-蒽基、9-菲基、4-苯基-苯基、3,5-二三氟甲基-苯基、3,5-二叔丁基-苯基、2,4,6-三甲基苯基、2,4,6-三异丙基苯基。
进一步地,XH为OH或NHTf,R6选自2,4,6-三异丙基苯基、9-蒽基、9-菲基。
进一步地,R7选自9-蒽基、9-菲基。
进一步地,R8为9-菲基,X为氢或溴。
进一步地,所述手性磷酸的用量至少是1mol%。催化剂的用量的基准是相对于式B化合物的用量,比如,催化剂的用量写成1mol%的形式,指每1mol式B化合物使用0.01mol催化剂。
进一步地,所述反应以二氯甲烷、四氯化碳、苯、甲苯、三氟甲苯中的一种或多种为溶剂。
进一步地,所述式A化合物和式B化合物的摩尔比为1~3:1。
进一步地,所述反应的温度0℃以上。
在化合物A~I、1~3中,R1的取代位置可以是萘环的3、4、5、6、7、8位,R2的取代位置也可以是萘环的3、4、5、6、7、8位。
本文所用的“烷基”指饱和脂肪族烃基团,其为包含1至20个碳原子的直链或支链基团,优选含有1至12个碳原子的烷基,更优选含有1至6个碳原子的烷基。烷基基团的实例包括甲基、乙基、正丙基、异丙基、正丁基、异丁基、仲丁基、叔丁基、戊基、2-戊基、异戊基、新戊基、己基、2-己基、3-己基、3-甲基戊基。
本文所用的“烯基”指具有至少一个碳-碳双键的不饱和的支链或直链烷基基团,所述双键通过从母体烷基的相邻的碳原子上去除一分子氢而得到。优选含有2至20个碳原子的烯基,更有选含有2至6个碳原子的烯基。所述基团可以关于一个或更多个双键呈顺式或反式构型。典型的烯基基团包括但不限于乙烯基;丙烯基,如丙-1-烯-1-基、丙-1-烯-2-基、丙-2-烯-1-基(烯丙基)、丙-2-烯-2-基;丁烯基,如丁-1-烯-1-基、丁-1-烯-2-基、2-甲基-丙-1-烯-1-基、丁-2-烯-1-基、丁-2-烯-1-基、丁-2-烯-2-基、丁-1,3-二烯-1-基、丁-1,3-二烯-2-基。
本文所用的“炔基”指具有至少一个碳-碳三键的不饱和的支链或直链烷基基团,所述三键通过从母体烷基的相邻的碳原子上去除两分子氢而得到。优选含有2至20个碳原子的炔基,更优选含有3至6个碳原子的炔基。典型的炔基基团包括但不限于乙炔基;丙炔基,如丙-1-炔-1-基、丙-2-炔-1-基;丁炔基,如丁-1-炔-1-基、丁-1-炔-3-基、丁-3-炔-1-基;3,3-二甲基丙-1-炔-1-基(叔丁基乙炔基)。
本文所用的“烷氧基”指-O-(烷基),烷基的定义如本文所述,烷氧基的非限制性实例包括:甲氧基、乙氧基、丙氧基、异丙氧基、正丁氧基、仲丁氧基、叔丁氧基、戊氧基、2-戊氧基、异戊氧基、新戊氧基、己氧基、2-己氧基、3-己氧基、3-甲基戊氧基。
本文所用的术语“卤素”指氟、氯、溴和碘。
本文所用的“羟基”指基团-OH。
本文所用的“醛基”指基团-CHO。
本文所用的“羧基”指基团-COOH。
本文所用的“酯基”指-C(O)O(烷基),其中烷基如本文所定,既可以由苯环的酚羟基与羧酸形成,如PhOCOCH3,也可以由苯环的羧基与醇形成,如PhCOOCH3
本文所用的“氰基”指-CN。
本文所用的“三氟甲基”指-CF3
本文所用的“硝基”指-NO2
本文所用的“磺酰基”指以下基团:-S(O2)-(烷基)、-S(O2)-(氨基)。烷基、氨基的定义如本文所述。
本文所用的“磺酸基”指-SO3H。
本文所用的“巯基”指-SH。
本文所用的“硫烷基”指-S-(烷基),烷基的定义如本文所述。
本文所用的“苯基”指
Figure BDA0002043191390000041
本文所用的“氨基”指-NH2
本文所用的“酰胺基”指基团-CONRbRc,其中Rb选自H氢、烷基,Rc选自烷基;烷基的定义如本文所述。
本文所用的“乙酰基”指-COCH3
本文所用的“取代苯基”指烷基、炔基、烯基、烷氧基、氨基、卤素、氰基、羟基、醛基、羧基、酯基取代的苯基。
本文所用的“卤代苯基”指氟、氯、溴和碘取代的苯基,取代基的个数是一个或多个。
以下缩写和术语自始至终具有指出的含义:
EA指乙酸乙酯;PE指石油醚;DCM指二氯甲烷;HPLC指高压液相色谱;m/z指质荷比;minor指次要产物;major指主要产物;Ph指苯基;TEA指三乙胺;NBS指N-溴代丁二酰亚胺;tBu指叔丁基;iPr指异丙基。
本发明具有以下有益效果:
1、本发明设计了一种结构新颖的轴手性ENOBIN化合物,其具有独特的空间构型,是BINOL和SPINOL骨架的补充。
2、本发明通过手性
Figure BDA0002043191390000052
酸催化芳基炔烃的不对称氢化芳基化来构建ENOBIN骨架,合成方法能够适应具有各种官能团的底物,具有良好的产率(高达99%)、优异的E/Z选择性和对映选择性(高达99%ee)。
3、本发明利用合成的ENOBIN化合物可以衍生出手性磷酸,作为不对称反应的催化剂,表明此类ENOBIN化合物具有很好的应用前景。
附图说明
图1是化合物5k的X射线衍射晶体结构。
具体实施方式
下面结合具体实施例对本发明做进一步的说明。
除非另有说明,所有溶剂和试剂均购自商业化产品并且无需进一步纯化。薄层色谱分析(TLC)使用60GF254硅胶板。硅胶柱层析使用青岛海洋硅胶(粒径0.040-0.063mm)。TLC显色采用UV光(254nm,365nm)。核磁图谱使用Bruker DPX 400NMR表征,400MHz记录1HNMR,101MHz记录13C NMR,溶剂为氘代二氯乙烷、氘代氯仿、氘代丙酮或氘代DMSO,四甲基硅烷(TMS)作为内标。化学位移的单位是ppm,耦合常数的单位是Hz。δ表示化学位移,s表示单峰,d表示双峰,t表示三重峰,q表示四重峰,m表示多重峰。通过Agilent手性HPLC仪器和大赛璐CHIRALCEL、CHIRALPAK色谱柱测定对映体过量值。
实施例1
底物的合成
通用步骤A
Figure BDA0002043191390000051
向装有搅拌棒的100mL Schlenk管中加入2-萘胺C(20.0mmol),PdCl2(177mg,1.0mmol),rac-BINAP(2,2'-双二苯膦基-1,1'-联萘,1.25g,2.00mmol),Cs2CO3(13.0g,40mmol)和60mL无水甲苯。将混合物用氩气鼓泡脱气10分钟,然后在100℃下搅拌过夜。将得到的混合物用60mL EA稀释,用2×50mL H2O和30mL食盐水洗涤,用Na2SO4干燥并减压浓缩。通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到产物D。
通用步骤A-1
Figure BDA0002043191390000061
向搅拌的苄基三乙基氯化铵(2.51g,11.0mmol)的MeOH(20mL)溶液中加入ICl(1.79g,11.0mmol),将溶液在室温下搅拌5分钟,得到TEBAICl2。将所得混合物缓慢加入搅拌的D(10.0mmol)的DCM(20mL)溶液。20分钟后,将棕色混合物依次用20mL 0.2M Na2S2O3、40mL饱和NaHCO3溶液和食盐水洗涤,用Na2SO4干燥并减压浓缩,残留物E不经进一步纯化直接用于下一步骤。
在氩气保护下,向装有搅拌棒的100mL Schlenk管中加入粗产物E(10.0mmol),3,3-二甲基-1-丁炔(3.69mL,30mmol),Pd(PPh3)2Cl2(702mg,1.00mmol),CuI(381mg,2.00mmol)和40mL TEA。混合物在120℃下搅拌36至72小时,通过TLC监测,反应完成后,将得到的混合物用50mL EA和50mL H2O稀释,分离有机层并用40mL H2O和40mL食盐水洗涤,用Na2SO4干燥并减压浓缩。通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到粗产物,通过PE/EA重结晶得到目标化合物2。
通用步骤A-2
Figure BDA0002043191390000062
向搅拌的B(3.00mmol)的DMF(20mL)溶液中缓慢加入NBS(534mg,3.00mmol),将所得溶液在室温下搅拌0.5小时,然后用60mL H2O稀释,并用2×30mL EA萃取,将合并的有机层用4×30mL H2O和30mL食盐水洗涤,用Na2SO4干燥并减压浓缩,通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到化合物F。
在氩气保护下,向装有搅拌棒的100mL Schlenk管中加入化合物F(2.0mmol),3,3-二甲基-1-丁炔(1.23mL,10mmol),Pd(PPh3)2Cl2(140mg,0.20mmol),CuI(114mg,0.60mmol)和40mL哌啶。将混合物在120℃下搅拌36至72小时,通过TLC监测,反应完成后,将得到的混合物用30mL EA和30mL H2O稀释,分离有机层并用30mL H2O和30mL食盐水洗涤,用Na2SO4干燥并减压浓缩。通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到粗产物,通过PE/EA重结晶得到目标化合物2。
Figure BDA0002043191390000063
采用通用步骤A-1,为浅黄色固体(82%收率)。
1H NMR(400MHz,CD2Cl2)δ8.15(d,J=8.4Hz,1H),7.74(d,J=8.1Hz,1H),7.68(d,J=9.0Hz,1H),7.53–7.49(m,1H),7.45(d,J=9.0Hz,1H),7.35–7.29(m,3H),7.19–7.16(m,2H),6.74(s,1H),1.47(s,9H)。13C NMR(101MHz,CD2Cl2)δ143.17,141.33,134.91,129.90,129.19,128.98,128.65,127.74,127.50,125.38,124.16,121.46,116.20,111.61,105.29,73.89,31.69,29.32。HRMS(ESI)精确质量计算[M+H]+C22H21NCl+,m/z:334.1357,实测值:334.1349。IR(KBr,cm-1)3402,2968,1589,1489,1302,812。M.P.105-106℃。
Figure BDA0002043191390000071
采用通用步骤A-1,为灰色固体(59%收率)。
1H NMR(400MHz,CDCl3)δ8.01(d,J=8.5Hz,1H),7.55(d,J=9.0Hz,1H),7.47(s,1H),7.37(d,J=9.0Hz,1H),7.32(dd,J=8.6,1.8Hz,1H),7.28–7.24(m,2H),7.10(d,J=8.7Hz,2H),6.61(s,1H),2.46(s,3H),1.44(s,9H)。13C NMR(101MHz,CDCl3)δ141.91,141.10,133.23,132.64,129.49,128.75,128.11,127.31,126.90,124.95,120.66,115.97,110.78,105.12,73.73,31.55,28.93,21.51。HRMS(ESI)精确质量计算[M+H]+C23H23NCl+,m/z:348.1514,实测值:348.1507。IR(KBr,cm-1)3389,2968,1595,1499,1323,818。M.P.132-133℃。
Figure BDA0002043191390000072
采用通用步骤A-2,为淡黄色固体(65%收率)。
1H NMR(400MHz,丙酮-d6)δ8.25(d,J=8.7Hz,1H),8.09(d,J=1.7Hz,1H),7.86(d,J=8.8Hz,2H),7.80–7.77(m,2H),7.52–7.48(m,3H),7.39–7.32(m,4H),7.25–7.22(m,2H),1.42(s,9H)。13C NMR(101MHz,丙酮-d6)δ143.81,142.56,141.67,137.21,134.77,130.15,130.13,130.08,129.93,128.21,127.89,127.45,126.89,126.50,121.51,118.50,111.53,106.78,74.63,31.58,29.53。HRMS(ESI)精确质量计算[M+H]+C28H25NCl+,m/z:410.1670,实测值:410.1658。IR(KBr,cm-1)3393,2965,1595,1489,1323,752。M.P.158-159℃。
Figure BDA0002043191390000073
采用通用步骤A-1,使用1.2当量3,3-二甲基-1-丁炔,为白色固体(70%收率)。
1H NMR(400MHz,CDCl3)δ7.97(d,J=8.9Hz,1H),7.85(d,J=1.7Hz,1H),7.54(d,J=9.0Hz,2H),7.41(d,J=9.0Hz,1H),7.30(d,J=8.7Hz,2H),7.14(d,J=8.7Hz,2H),6.68(s,1H),1.45(s,9H)。13C NMR(100MHz,CDCl3)δ143.0,140.2,132.9,130.3,130.0,129.5,129.3,127.7,127.6,126.7,121.4,117.0,116.2,111.3,104.5,73.0,31.3,28.8。HRMS(ESI)精确质量计算[M+H]+C22H20NBrCl+,m/z:412.0462,实测值:412.0453。IR(KBr,cm-1)3385,2968,1589,1491,1360,1339,1312,820。M.P.165-166℃。
Figure BDA0002043191390000081
采用通用步骤A-2,为淡黄色固体(30%收率)。
1H NMR(400MHz,丙酮-d6)δ8.45(d,J=0.6Hz,1H),7.87–7.85(m,1H),7.80(dd,J=8.2,1.0Hz,2H),7.77(d,J=9.4Hz,1H),7.65(dd,J=8.4,1.7Hz,1H),7.52(t,J=7.7Hz,2H),7.45(d,J=9.0Hz,1H),7.40(t,J=7.4Hz,1H),7.34(s,1H),7.32(d,J=8.7Hz,2H),7.21(d,J=8.7Hz,2H),1.42(s,9H)。13C NMR(101MHz,丙酮-d6)δ143.99,142.49,142.10,140.54,135.87,130.09,130.01,129.89,129.45,128.95,128.52,128.07,126.90,124.06,123.54,121.58,121.48,118.06,111.92,107.04,74.72,31.59,29.54。HRMS(ESI)精确质量计算[M+H]+C28H25NCl+,m/z:410.1670,实测值:410.1661。IR(KBr,cm-1)3379,2965,1589,1514,1489,1339,1315,824。M.P.119-120℃。
Figure BDA0002043191390000082
采用通用步骤A-1,使用1.2当量3,3-二甲基-1-丁炔,为淡黄色固体(35%收率)。
1H NMR(400MHz,CDCl3)δ8.24(d,J=2.0Hz,1H),7.58(d,J=9.0Hz,1H),7.54(d,J=8.6Hz,1H),7.38(d,J=9.0Hz,1H),7.35(dd,J=8.6,2.0Hz,1H),7.32-7.28(m,2H),7.16-7.12(m,2H),6.70(s,1H),1.46(s,9H)。13C NMR(101MHz,CDCl3)δ143.63,140.20,135.77,129.83,129.64,128.68,127.94,127.27,126.90,126.71,121.91,121.73,115.54,111.57,103.52,73.10,31.49,28.99。HRMS(ESI)精确质量计算[M+H]+C22H20NBrCl+,m/z:412.0462,实测值:412.0462。IR(KBr,cm-1)3389,2968,1597,1499,1339,1298,820。M.P.88-90℃。
Figure BDA0002043191390000083
采用通用步骤A-1,为白色固体(39%收率)。
1H NMR(500MHz,CDCl3)δ7.61(d,J=8.8Hz,1H),7.57(d,J=8.9Hz,1H),7.47(d,J=2.3Hz,1H),7.28(d,J=8.7Hz,2H),7.25(d,J=6.5Hz,1H),7.14(d,J=8.7Hz,2H),6.97(dd,J=8.8,2.5Hz,1H),6.65(s,1H),3.95(s,3H),1.45(s,9H)。13C NMR(126MHz,CDCl3)δ159.10,143.11,140.79,136.10,129.83,129.52,128.59,127.28,123.79,121.25,115.95,113.09,111.04,103.83,73.84,55.22,31.61,28.97。HRMS(ESI)精确质量计算[M+H]+C23H23ONCl+,m/z:364.1463,实测值:364.1453。IR(KBr,cm-1)3389,2968,1624,1597,1516,1277,816。M.P.120-122℃。
Figure BDA0002043191390000091
采用通用步骤A-1,为白色固体(75%收率)。
1H NMR(500MHz,CDCl3)δ8.17(d,J=8.4Hz,1H),7.75(d,J=8.1Hz,1H),7.71(d,J=8.9Hz,1H),7.55–7.52(m,3H),7.50(d,J=8.9Hz,1H),7.39(t,J=7.5Hz,1H),7.11(d,J=8.5Hz,2H),6.88(s,1H),1.43(s,9H)。13C NMR(126MHz,CDCl3)δ146.79,139.88,134.22,133.85,129.54,128.74,128.24,127.48,125.48,124.83,119.79,117.77,116.48,111.75,108.90,102.91,73.35,31.35,28.88。HRMS(ESI)精确质量计算[M-H]-C23H19N2 -,m/z:323.1554,实测值:323.1551。IR(KBr,cm-1)3372,2974,2218,1597,1506,1319,1172,816。M.P.123-125℃。
Figure BDA0002043191390000092
采用通用步骤A-1,为白色固体(80%收率)。
1H NMR(500MHz,CDCl3)δ8.16(d,J=8.3Hz,1H),7.99(d,J=8.6Hz,2H),7.75(d,J=8.1Hz,1H),7.71(d,J=8.9Hz,1H),7.58(d,J=8.9Hz,1H),7.52(t,J=7.3Hz,1H),7.36(t,J=7.2Hz,1H),7.15(d,J=8.6Hz,2H),6.93(s,1H),3.89(s,3H),1.44(s,9H)。13C NMR(126MHz,CDCl3)δ166.98,146.85,140.90,134.33,131.58,129.16,128.69,128.24,127.37,125.34,124.39,122.51,117.26,116.38,111.48,107.46,73.49,51.96,31.45,28.93。HRMS(ESI)精确质量计算[M+H]+C24H24O2N+,m/z:358.1802,实测值:358.1794。IR(KBr,cm-1)3389,2968,1713,1607,1591,1348,1275,1175,1109,770。M.P.141-143℃。
Figure BDA0002043191390000093
采用通用步骤A-1,使用4当量3,3-二甲基-1-丁炔,为淡黄色固体(从6-溴-2-萘胺计算,80%收率)。
1H NMR(400MHz,丙酮-d6)δ8.08(d,J=8.6Hz,1H),7.83(s,1H),7.74(d,J=9.0Hz,1H),7.47(t,J=7.6Hz,2H),7.35–7.33(m,3H),7.23(d,J=8.7Hz,2H),1.40(s,9H),1.34(s,9H)。13C NMR(101MHz,丙酮-d6)δ144.29,142.26,134.58,132.13,130.84,130.16,129.49,129.30,127.20,125.82,121.88,120.13,118.39,111.72,106.57,99.00,80.35,74.39,31.54,31.50,29.52,28.78。HRMS(ESI)精确质量计算[M+H]+C28H29NCl+,m/z:410.1983,实测值:414.1972。IR(KBr,cm-1)3393,2965,1595,1485,1358,1306,827。M.P.165-167℃。
Figure BDA0002043191390000101
采用通用步骤A-1,使用4当量3,3-二甲基-1-丁炔,为白色固体(从7-溴-2-萘胺计算,74%收率)。
1H NMR(400MHz,丙酮-d6)δ8.17(s,1H),7.75(d,J=8.5Hz,2H),7.46(d,J=9.0Hz,1H),7.35–7.32(m,3H),7.29(dd,J=8.3,1.5Hz,1H),7.24–7.21(m,2H),1.42(s,9H),1.36(s,9H)。13C NMR(101MHz,丙酮-d6)δ144.34,142.34,135.23,130.15,129.57,129.32,128.81,128.71,127.34,127.12,123.76,121.81,118.29,111.92,106.15,99.90,80.77,74.47,31.52,31.43,29.55,28.83。HRMS(ESI)精确质量计算[M+H]+C28H29NCl+,m/z:410.1983,实测值:414.1973。IR(KBr,cm-1)3389,2965,1614,1597,1512,1341,818。M.P.132-133℃。
Figure BDA0002043191390000102
采用通用步骤A-1,用苯乙炔,为黄色固体(70%收率)。
1H NMR(400MHz,CDCl3)δ8.24(d,J=8.4Hz,1H),7.73(d,J=8.1Hz,1H),7.69(d,J=9.0Hz,1H),7.62(d,J=7.4Hz,2H),7.53(t,J=7.6Hz,1H),7.42–7.31(m,4H),7.34(t,J=7.5Hz,1H),7.29(d,J=8.4Hz,2H),7.16(d,J=8.4Hz,2H),6.78(s,1H),4.80(s,1H)。13CNMR(101MHz,CDCl3)δ143.55,140.37,134.48,131.63,129.84,129.59,128.65,128.63,128.44,128.37,127.81,127.61,125.01,123.90,123.30,121.77,115.69,103.81,101.14,84.10。HRMS(ESI)精确质量计算[M+H]+C24H17ClN+,m/z:354.1044,实测值:354.1050。IR(KBr,cm-1)3397,3055,2968,2191,1597,1504,1319,810,748,687。M.P.110-111℃。
Figure BDA0002043191390000103
采用通用步骤A-1,用3-氯苯乙炔,为黄色固体(74%收率)。
1H NMR(400MHz,丙酮)δ8.30(d,J=8.4Hz,1H),7.85(d,J=3.7Hz,2H),7.83(d,J=3.4Hz,1H),7.65(s,1H),7.60–7.56(m,2H),7.49(d,J=9.1Hz,1H),7.47–7.42(m,2H),7.39(t,J=7.8Hz,1H),7.35(d,J=8.9Hz,2H),7.29(d,J=8.9Hz,2H)。13C NMR(101MHz,丙酮)δ145.11,142.12,135.37,134.69,131.72,131.13,131.05,130.68,129.97,129.52,129.24,128.53,127.31,126.32,125.49,124.81,122.36,117.93,104.68,100.10,86.70。HRMS(ESI)精确质量计算[M+H]+C24H16Cl2N+,m/z:388.0654,实测值:388.0649。IR(KBr,cm-1)3402,3053,2201,1591,1503,1314,808,772。M.P.126-127℃。
Figure BDA0002043191390000111
采用通用步骤A-1,用4-溴苯乙炔,为黄色固体(56%收率)。
1H NMR(400MHz,丙酮)δ8.28(d,J=8.4Hz,1H),7.86(d,J=3.7Hz,1H),7.84(d,J=2.7Hz,1H),7.82(s,1H),7.62(d,J=8.6Hz,2H),7.60–7.56(m,3H),7.50(d,J=9.0Hz,1H),7.39(d,J=15.8Hz,1H),7.36–7.33(m,2H),7.31–7.28(m,2H)。13C NMR(101MHz,丙酮)δ144.92,142.19,135.33,133.98,132.58,130.98,129.98,129.56,129.24,128.48,127.23,125.48,124.82,123.60,122.84,122.25,117.95,105.00,100.51,86.54。HRMS(ESI)精确质量计算[M+H]+C24H16BrClN+,m/z:432.0149,实测值:432.0146。IR(KBr,cm-1)3397,3053,2191,1616,1591,1504,1487,1352,1325,824,804。M.P.126-128℃。
Figure BDA0002043191390000112
采用通用步骤A-1,用NIS代替TEBAICl2,为白色固体(20%收率)。
1H NMR(400MHz,CDCl3)δ7.29–7.25(m,2H),7.14–7.10(m,2H),6.51(s,1H),6.34(d,J=2.2Hz,1H),5.98(d,J=2.2Hz,1H),3.84(s,3H),3.73(s,3H),1.37(s,9H)。13C NMR(101MHz,CDCl3)δ161.84,160.92,146.37,140.51,129.50,127.30,121.62,108.57,93.22,91.36,90.27,71.46,56.06,55.44,31.55,28.79。HRMS(ESI)精确质量计算[M+H]+C20H23ClNO2 +,m/z:344.1412,实测值:344.1410。IR(KBr,cm-1)3375,2997,2967,1593,1495,1470,1252,1159,814。M.P.94-95℃。
Figure BDA0002043191390000113
采用通用步骤A-1,用3-甲基-1-丁炔代替3,3-二甲基-1-丁炔,为黄色固体(65%收率)。
1H NMR(400MHz,CDCl3)δ8.14(d,J=8.3Hz,1H),7.71(d,J=8.0Hz,1H),7.64(d,J=9.0Hz,1H),7.49(t,J=7.5Hz,1H),7.40(d,J=9.0Hz,1H),7.32(d,J=7.6Hz,1H),7.28(d,J=8.5Hz,2H),7.14(d,J=8.6Hz,2H),6.69(s,1H),3.00(dq,J=13.7,6.8Hz,1H),1.39(d,J=6.8Hz,6H)。13C NMR(101MHz,CDCl3)δ142.89,140.77,134.57,129.54,128.82,128.47,128.25,127.37,127.31,125.05,123.71,121.28,115.69,108.10,104.79,74.31,23.62,21.99。HRMS(ESI)精确质量计算[M+H]+C21H19ClN+,m/z:320.1201,实测值:320.1199。IR(KBr,cm-1)3391,3053,2967,1593,1495,1310,814,748。M.P.84-85℃。
Figure BDA0002043191390000121
采用通用步骤A-1,用2-戊炔酸代替3,3-二甲基-1-丁炔,为淡黄色固体(72%收率)。
1H NMR(400MHz,CDCl3)δ8.15(d,J=8.4Hz,1H),7.71(d,J=8.1Hz,1H),7.64(d,J=9.0Hz,1H),7.49(ddd,J=8.2,6.9,1.2Hz,1H),7.39(d,J=9.0Hz,1H),7.33–7.26(m,3H),7.16–7.12(m,2H),6.69(s,1H),2.65(q,J=7.5Hz,2H),1.37(t,J=7.5Hz,3H)。13C NMR(101MHz,CDCl3)δ143.05,140.77,134.68,129.53,128.82,128.48,128.25,127.45,127.31,125.07,123.71,121.46,115.74,104.88,103.75,74.53,14.61,13.94。HRMS(ESI)精确质量计算[M+H]+C20H17ClN+,m/z:306.1044,实测值:306.1041。IR(KBr,cm-1)3391,3059,2972,1593,1499,1310,1082,804,741。M.P.56-57℃。
通用步骤B:
Figure BDA0002043191390000122
向搅拌的2-萘胺C(20.0mmol)的MeOH(50mL)溶液中加入苯甲醛(1.72mL,30.0mmol),将反应混合物在室温下搅拌2小时,然后冷却至0℃,在1小时内分三批加入NaBH4(1.51g,40.0mmol)。混合物在室温下搅拌,通过TLC监测,反应完成后,将混合物缓慢加入到60mL饱和NaHCO3中,水层用2×40mL EA萃取,将合并的有机层用40mL H2O和50mL食盐水洗涤,用Na2SO4干燥并减压浓缩。通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到化合物G。
通用步骤B-1
Figure BDA0002043191390000123
向搅拌的苄基三乙基氯化铵(2.51g,11.0mmol)的MeOH(20mL)溶液中加入ICl(1.79g,11.0mmol),溶液在室温下搅拌5分钟,得到TEBAICl2。将得到的混合物缓慢加入搅拌的G(10.0mmol)的DCM(20mL)溶液,20分钟后,将棕色混合物用20mL 0.2M Na2S2O3、40mL饱和NaHCO3溶液和食盐水洗涤,用Na2SO4干燥并减压浓缩,残留物H不经进一步纯化直接用于下一步骤。
在氩气保护下,向装有搅拌棒的100mL Schlenk管中加入粗产物H(10.0mmol),3,3-二甲基-1-丁炔(3.69mL,30mmol),Pd(PPh3)2Cl2(702mg,1.00mmol),CuI(381mg,2.00mmol)和40mL TEA。混合物在120℃下搅拌36至72小时,通过TLC监测,反应完成后,将得到的混合物用50mL EA和50mL H2O稀释,分离有机层并用40mL H2O和40mL食盐水洗涤,用Na2SO4干燥并减压浓缩。通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到粗产物,通过PE重结晶得到目标化合物4。
通用步骤B-2
Figure BDA0002043191390000131
向搅拌的G(3.00mmol)的DMF(20mL)溶液中缓慢加入NBS(534mg,3.00mmol),将所得溶液在室温下搅拌0.5小时,然后用60mL H2O稀释,并用2×30mL EA萃取,将合并的有机层用4×30mL H2O和30mL食盐水洗涤,用Na2SO4干燥并减压浓缩,通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到化合物I。
在氩气保护下,向装有搅拌棒的100mL Schlenk管中加入化合物I(2.0mmol),3,3-二甲基-1-丁炔(1.23mL,10mmol),Pd(PPh3)2Cl2(140mg,0.20mmol),CuI(114mg,0.60mmol)和40mL哌啶。将混合物在120℃下搅拌36至72小时,通过TLC监测,反应完成后,将得到的混合物用30mL EA和30mL H2O稀释,分离有机层并用30mL H2O和30mL食盐水洗涤,用Na2SO4干燥并减压浓缩。通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到粗产物,通过PE/EA重结晶得到目标化合物4。
Figure BDA0002043191390000132
采用通用步骤B-1,为白色固体(77%收率)。
1H NMR(400MHz,丙酮-d6)δ8.04(d,J=8.4Hz,1H),7.66(t,J=8.9Hz,2H),7.45–7.40(m,3H),7.34(t,J=7.5Hz,2H),7.25(t,J=7.3Hz,1H),7.20–7.16(m,1H),7.05(d,J=9.0Hz,1H),5.72(s,1H),4.62(d,J=5.8Hz,2H),1.42(s,9H)。13C NMR(101MHz,丙酮-d6)δ148.91,141.17,135.56,130.08,129.57,129.15,128.02,127.99,127.89,127.77,124.98,122.97,114.15,110.74,100.99,75.05,48.15,48.07,31.88,29.56。HRMS(ESI)精确质量计算[M+H]+C23H24N+,m/z:314.1903,实测值:314.1895。IR(KBr,cm-1)3408,2967,1618,1599,1497,1344,812,750,737。M.P.88-89℃。
Figure BDA0002043191390000141
采用通用步骤B-1,为黄色固体(75%收率)。
1H NMR(400MHz,丙酮-d6)δ7.94(d,J=8.5Hz,1H),7.56(d,J=9.0Hz,1H),7.44(d,J=5.3Hz,2H),7.41(s,1H),7.34(t,J=7.5Hz,2H),7.29–7.23(m,2H),7.01(d,J=9.0Hz,1H),5.63(t,J=5.2Hz,1H),4.60(d,J=6.0Hz,2H),2.39(s,3H),1.41(s,9H)。13C NMR(101MHz,丙酮-d6)δ148.35,141.28,133.75,132.12,130.00,129.55,129.43,128.15,128.04,127.97,125.01,114.19,110.51,101.07,75.19,48.27,31.89,29.54,21.41。HRMS(ESI)精确质量计算[M+H]+C24H26N+,m/z:328.2060,实测值:328.2051。IR(KBr,cm-1)3420,2967,1597,1503,1350,1312,818。M.P.104-107℃。
Figure BDA0002043191390000142
采用通用步骤B-1,用1.2当量3,3-二甲基-1-丁炔,为浅棕色固体(67%收率)。
1H NMR(400MHz,CDCl3)δ7.92(d,J=8.9Hz,1H),7.79(d,J=1.7Hz,1H),7.51-7.47(m,2H),7.40-7.34(m,4H),7.29(t,J=6.9Hz,1H),6.96(d,J=9.0Hz,1H),5.35(s,1H),4.56(s,2H),1.41(s,9H)。13C NMR(100MHz,CDCl3)δ147.6,139.1,132.9,130.0,129.9,128.7,128.1,127.7,127.3,126.9,126.1,115.4,113.6,110.6,100.4,73.4,47.8,31.4,28.7。HRMS(ESI)精确质量计算[M+H]+C23H23NBr+,m/z:392.1008,实测值:392.1000。IR(KBr,cm-1)3416,2970,1609,1593,1503,1344。M.P.120-122℃。
Figure BDA0002043191390000143
采用通用步骤B-2,为黄色固体(51%收率)。
1H NMR(400MHz,丙酮-d6)δ8.12(d,J=8.7Hz,1H),7.97(d,J=1.5Hz,1H),7.80–7.73(m,4H),7.48–7.42(m,4H),7.36–7.31(m,3H),7.25(t,J=7.2Hz,1H),7.08(d,J=9.0Hz,1H),5.80(t,J=5.8Hz,1H),4.63(d,J=6.0Hz,2H),1.43(s,9H)。13C NMR(100MHz,丙酮-d6)δ148.98,141.95,141.05,135.33,134.77,130.50,129.83,129.53,127.96,127.92,127.83,127.68,127.11,126.84,125.64,114.54,110.71,100.77,74.90,48.04,31.82,29.52。HRMS(ESI)精确质量计算[M+H]+C29H28N+,m/z:390.2216,实测值:390.2207。IR(KBr,cm-1)3391,3028,2962,2864,1589,1499,1300,752,696。M.P.92-93℃。
Figure BDA0002043191390000151
采用通用步骤B-1,在60℃反应,为浅黄色固体(86%收率)。
1H NMR(400MHz,CDCl3)δ8.17(d,J=1.9Hz,1H),7.55(d,J=9.0Hz,1H),7.49(d,J=8.6Hz,1H),7.40-7.33(m,4H),7.30-7.25(m,2H),6.94(d,J=9.0Hz,1H),5.36(t,J=5.9Hz,1H),4.56(d,J=5.7Hz,2H),1.41(s,9H)。13C NMR(101MHz,CDCl3)δ148.15,139.22,135.77,129.84,129.18,128.89,127.48,127.10,126.64,125.54,125.17,121.72,113.10,110.89,99.64,73.45,47.90,31.57,28.94。HRMS(ESI)精确质量计算[M+H]+C23H23NBr+,m/z:392.1008,实测值:392.1006。IR(KBr,cm-1)3412,3028,2967,2862,1614,1504,1341,824,741。M.P.93-95℃。
Figure BDA0002043191390000152
采用通用步骤B-2,为黄色固体(43%收率)。
1H NMR(400MHz,丙酮-d6)δ8.32(d,J=0.8Hz,1H),7.79–7.76(m,3H),7.68(d,J=9.0Hz,1H),7.53–7.49(m,3H),7.42(t,J=7.5Hz,2H),7.37(d,J=8.7Hz,1H),7.33(d,J=7.7Hz,2H),7.25(t,J=7.3Hz,1H),7.05(d,J=9.0Hz,1H),5.83(t,J=5.8Hz,1H),4.64(d,J=6.0Hz,2H),1.44(s,9H)。13C NMR(126MHz,丙酮-d6)δ149.11,142.44,141.11,140.26,135.83,129.94,129.82,129.76,129.51,128.33,128.01,127.91,126.91,122.75,122.29,114.23,111.12,101.14,74.97,47.97,31.81,29.55。HRMS(ESI)精确质量计算[M+H]+C29H28N+,m/z:390.2216,实测值:390.2206。IR(KBr,cm-1)3416,2965,1616,1603,1522,1501,1341,696。M.P.113-114℃。
实施例2
反应条件筛选:
手性磷酸C1可以顺利催化2a与2-萘酚的羟基化反应,得到ENOBIN(aS)-3a,产率为51%,ee为-14%,然后筛选各种手性磷酸催化剂,结果不够理想。转而使用酸性更强的N-三氟甲基磷酰胺,BINOL衍生的N-三氟甲基酰胺C13和SPINOL衍生的N-三氟甲基磷酰胺C14、C15获得了良好的对映选择性和产率,其中C14最佳催化剂。通过筛选溶剂、催化剂用量和温度,确定了最佳条件:使用催化剂C14(5mol%),2a与在1a(1.5eq)在PhCF3中于0℃反应36小时,以96%收率、98%ee得到ENOBIN(aS)-3a(E/Z>99:1)。催化剂的用量降低至1mol%,反应在室温下2小时内完成,对结果没有显着影响(94%收率,94%ee)。
Figure BDA0002043191390000161
用1a(0.15mmol),2a(0.10mmol)和催化剂(5mol%)在2.0mL溶剂中反应36小时。
Figure BDA0002043191390000162
Figure BDA0002043191390000171
b:分离收率;c:通过HPLC分析确定;d:1mol%催化剂,反应2h.;e:1a为0.3mmol,2a为0.2mmol。
经过反应条件筛选,得到了通用的合成步骤E:在0℃下,向化合物1(0.30mmol)和C14(8.0mg,0.010mmol)的PhCF3(4.0mL)溶液中加入化合物2(0.20mmol),在0℃下搅拌36小时后,通过硅胶柱色谱法纯化(PE/DCM/EA=N:5:1梯度洗脱),得到产物。
Figure BDA0002043191390000172
外消旋产物的合成:向2.0mL反应瓶中加入化合物2(0.02mmol),化合物1(0.03mmol),磷酸二苯酯(0.50mg,0.002mmol)和0.5mL DCM。反应混合物室温下搅拌并通过TLC监测,反应完成后,通过TLC制备硅胶板纯化得到外消旋体。
Figure BDA0002043191390000173
实施例3~35对底物的适用范围进行拓展,取代的2-萘酚、3,5-二甲氧基苯酚与2a顺利反应,以良好至高产率(70~99%产率)、优异的对映选择性(97~99%ee)得到相应的产物3a~3n。取代基的位置和电子性质对对映选择性没有影响,对产率的影响有限。N-苯胺基有CN或CO2Me取代并不影响结果。1,6-和1,7-双炔基2-萘胺的氢化芳基化选择性地、以良好的收率得到预期的产物3o和3w,而不形成6-和7-炔基的氢化芳基化的副产物,这表明邻氨基在炔烃活化中起到决定性作用。2-炔基苯胺以高产率和对映选择性得到产物3v,说明苯环也适合炔烃的活化。当炔烃中的叔丁基换成较小的Et、iPr或芳基时,反应顺利进行并得到轴手性产物3z~3ag,如果炔烃末端是芳基,需要使用手性磷酸C18。所有产物都显示出很好的E/Z选择性(>19:1)。
实施例3
Figure BDA0002043191390000174
根据通用步骤E,为白色泡沫状,96%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ8.89(s,1H),8.61(d,J=8.7Hz,1H),8.24(s,1H),7.74(dd,J=16.7,8.7Hz,3H),7.63(d,J=8.8Hz,1H),7.51(d,J=8.8Hz,1H),7.44(t,J=7.7Hz,2H),7.30–7.17(m,5H),7.09(d,J=8.8Hz,1H),6.98(s,2H),6.14(s,1H),1.01(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.15,151.70,143.54,140.35,135.79,134.95,130.54,130.51,129.94,129.91,129.68,129.07,128.89,127.18,126.57,126.25,125.66,124.94,123.99,123.53,119.27,118.92,36.50,30.04。HRMS(ESI)精确质量计算[M+H]+C32H29ClNO+,m/z:478.1932,实测值:478.1926。IR(KBr,cm-1)3520,3402,3053,2951,1701,1593,1491,1344,814,747。M.P.86-88℃。
Figure BDA0002043191390000183
HPLC条件:HPLC DAICELCHIRALPAK IA,正己烷/异丙醇=80/20,流速=0.5mL/min,λ=230nm),tR(major)=13.2min,tR(minor)=15.4min,ee=98%。
实施例4
Figure BDA0002043191390000181
根据通用步骤E,为白色泡沫状,93%收率,97%ee。
1H NMR(400MHz,丙酮-d6)δ8.77(brs,1H),8.50(d,J=8.8Hz,1H),8.22(s,1H),7.72–7.68(m,2H),7.53–7.49(m,3H),7.29–7.16(m,5H),7.05(d,J=8.8Hz,1H),6.98(s,2H),6.12(s,1H),2.40(s,3H),1.00(s,9H)。13C NMR(100MHz,丙酮-d6)δ152.39,151.47,143.44,140.27,135.68,133.05,132.59,130.66,130.43,129.84,129.28,129.24,129.19,129.16,129.13,129.11,129.02,128.96,128.81,128.79,128.76,128.73,128.60,128.56,128.52,127.04,126.49,126.32,125.64,125.54,124.87,124.77,123.87,119.23,118.82,36.39,29.99,21.15。HRMS(ESI)精确质量计算[M+H]+C33H31ClNO+,m/z:492.2089,实测值:492.2084。IR(KBr,cm-1)3524,3397,3049,2951,1701,1593,1491,1341,818。M.P.90-92℃。
Figure BDA0002043191390000184
HPLC条件:DAICEL CHIRALPAK IA,正己烷/异丙醇=80/20,流速=0.5mL/min,λ=254nm),tR(major)=11.8min,tR(minor)=13.7min,ee=97%。
实施例5
Figure BDA0002043191390000182
根据通用步骤E,为白色泡沫状,72%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ9.04(brs,1H),8.70(d,J=9.0Hz,1H),8.28(d,J=8.2Hz,1H),8.04(d,J=2.2Hz,1H),7.80–7.70(m,6H),7.51(d,J=8.9Hz,1H),7.48–7.44(m,2H),7.35–7.16(m,5H),7.13(d,J=8.8Hz,1H),6.98(s,2H),6.18(s,1H),1.03(s,9H)。13C NMR(100MHz,丙酮-d6)δ153.22,151.61,143.35,141.40,140.19,135.62,134.03,130.62,130.38,130.21,129.76,129.69,128.95,128.78,128.77,127.86,127.60,127.10,127.08,126.50,126.27,126.24,126.09,124.76,123.86,119.23,119.09,36.37,29.93。HRMS(ESI)精确质量计算[M+H]+C38H33ClNO+,m/z:554.2245,实测值:554.2241。IR(KBr,cm-1)3530,3406,2957,1589,1495,814,758,696。M.P.106-108℃。
Figure BDA0002043191390000193
HPLC条件:DAICELCHIRALPAK IA,正己烷/异丙醇=80/20,流速=0.5mL/min,λ=254nm),tR(major)=12.3min,tR(minor)=14.1min,ee=98%。
实施例6
Figure BDA0002043191390000191
根据通用步骤E,为白色泡沫状,86%收率,99%ee。
1H NMR(400MHz,丙酮-d6)δ9.09(brs,1H),8.53(d,J=9.2Hz,1H),8.17(s,1H),7.94(d,J=2.0Hz,1H),7.74–7.70(m,2H),7.59(d,J=8.8Hz,1H),7.52–7.48(m,2H),7.31–7.28(m,1H),7.25–7.21(m,1H),7.17–7.12(m,3H),6.95(s,2H),6.14(s,1H),1.01(s,9H)。13C NMR(100MHz,丙酮-d6)δ153.56,152.06,143.45,140.31,135.60,133.49,131.58,131.29,131.24,130.51,130.00,129.91,129.83,129.13,129.04,129.01,128.98,128.06,128.02,127.90,126.68,125.86,125.23,124.93,124.03,120.09,119.16,116.65,36.48,29.93。HRMS(ESI)精确质量计算[M+H]+C32H28BrClNO+,m/z:556.1037,实测值:556.1013。IR(KBr,cm-1)3524,3401,3053,2955,1690,1593,1491,1344,1337,818。M.P.102-104℃。
Figure BDA0002043191390000194
HPLC条件:DAICEL CHIRALPAK IA,正己烷/异丙醇=80/20,流速=0.5mL/min,λ=254nm),tR(major)=12.4min,tR(minor)=13.5min,ee=99%。
实施例7
Figure BDA0002043191390000192
根据通用步骤E,为白色泡沫状,74%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ8.68(s,1H),8.52(d,J=9.4Hz,1H),8.19(s,1H),7.71(t,J=7.8Hz,2H),7.52(t,J=9.4Hz,2H),7.28–7.17(m,5H),7.12(dd,J=9.4,2.7Hz,1H),7.05(d,J=8.8Hz,1H),6.99(s,2H),6.11(s,1H),3.85(s,3H),1.00(s,9H)。13C NMR(101MHz,丙酮-d6)δ156.24,151.46,151.36,143.45,140.26,135.65,131.47,130.43,130.01,129.85,128.99,128.78,128.54,127.17,126.52,126.43,125.19,124.80,123.87,119.40,119.22,119.16,107.84,55.52,36.38,29.97。HRMS(ESI)精确质量计算[M+H]+C33H31ClNO2 +,m/z:508.2038,实测值:508.2036。IR(KBr,cm-1)3049,2955,1593,1489,1233,814。M.P.93-95℃。
Figure BDA0002043191390000203
Figure BDA0002043191390000204
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(minor)=22.2min,tR(major)=35.1min,ee=98%。
实施例8
Figure BDA0002043191390000201
根据通用步骤E,为白色泡沫状,93%收率,97%ee。
1H NMR(400MHz,丙酮-d6)δ8.83(s,1H),8.36(s,1H),8.33(s,1H),7.75(d,J=8.0Hz,1H),7.72(d,J=8.9Hz,1H),7.63(d,J=8.3Hz,1H),7.56(d,J=8.8Hz,1H),7.48(d,J=8.9Hz,1H),7.35(t,J=7.5Hz,1H),7.26(t,J=7.3Hz,1H),7.15(d,J=8.5Hz,2H),7.11(d,J=8.2Hz,1H),7.00(d,J=8.8Hz,1H),6.92(s,2H),6.13(s,1H),2.35(s,3H),1.01(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.29,151.60,143.65,140.18,136.57,135.93,135.11,130.58,129.86,129.62,129.48,129.08,128.87,128.71,127.61,126.48,126.12,125.61,125.01,124.91,124.26,124.04,119.57,119.14,118.02,36.57,30.09,22.15。HRMS(ESI)精确质量计算[M+H]+C33H31ClNO+,m/z:492.2089,实测值:492.2083。IR(KBr,cm-1)3049,2957,2859,1593,1491,1223,1341,818。M.P.70-73℃。
Figure BDA0002043191390000205
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=10.2min,tR(minor)=14.9min,ee=97%。
实施例9
Figure BDA0002043191390000202
根据通用步骤E,为白色泡沫状,72%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ9.11(brs,1H),8.63(s,1H),8.47(d,J=8.2Hz,1H),7.82(d,J=7.5Hz,1H),7.77(d,J=8.4Hz,1H),7.73(d,J=8.8Hz,1H),7.60(d,J=8.7Hz,1H),7.52(dd,J=8.4,1.7Hz,1H),7.46(d,J=8.9Hz,1H),7.42–7.24(m,7H),7.12–7.08(m,3H),6.86(s,2H),6.23(s,1H),1.01(s,9H)。13C NMR(100MHz,丙酮-d6)δ153.51,152.08,143.43,141.94,140.03,139.40,135.82,134.96,130.45,130.08,129.66,129.54,129.49,129.38,129.18,128.88,128.06,127.98,127.14,125.32,125.04,124.87,124.02,123.79,122.81,119.65,119.09,118.88,36.50,30.00。HRMS(ESI)精确质量计算[M+H]+C38H33ClNO+,m/z:554.2245,实测值:554.2240。IR(KBr,cm-1)3526,3401,2957,1620,1593,1491,1304,814。M.P.96-98℃。
Figure BDA0002043191390000213
Figure BDA0002043191390000214
HPLC条件:DAICEL CHIRALPAK IA,正己烷/异丙醇=80/20,流速=0.5mL/min,λ=254nm),tR(major)=10.7min,tR(minor)=11.7min,ee=98%。
实施例10
Figure BDA0002043191390000211
根据通用步骤E,为白色泡沫状,86%收率,99%ee。
1H NMR(400MHz,丙酮-d6)δ9.12(s,1H),8.76(d,J=1.9Hz,1H),8.22(d,J=7.9Hz,1H),7.76(d,J=8.0Hz,1H),7.73(d,J=8.9Hz,1H),7.67(d,J=8.7Hz,1H),7.61(d,J=8.8Hz,1H),7.47(d,J=8.9Hz,1H),7.38–7.33(m,2H),7.27(t,J=7.2Hz,1H),7.15–7.10(m,3H),6.91(s,2H),6.15(s,1H),1.02(s,9H)。13C NMR(101MHz,丙酮-d6)δ154.06,152.14,143.49,140.17,136.10,135.66,131.45,130.56,129.88,129.78,129.13,129.05,128.68,127.97,126.77,126.48,125.63,124.85,124.12,121.30,119.43,119.04,36.59,29.95。HRMS(ESI)精确质量计算[M+H]+C32H28BrClNO+,m/z:556.1037,实测值:556.1035。IR(KBr,cm-1)3053,2957,1589,1491,1300,814,748。M.P.91-94℃。
Figure BDA0002043191390000215
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=11.3min,tR(minor)=18.0min,ee=99%。
实施例11
Figure BDA0002043191390000212
根据通用步骤E,为白色泡沫状,74%收率,99%ee。
1H NMR(400MHz,丙酮-d6)δ8.66(brs,1H),8.19(brs,1H),8.09(s,1H),7.71–7.69(m,2H),7.66(d,J=8.8Hz,1H),7.54–7.52(m,3H),7.19–7.03(m,6H),6.99(dd,J=8.7,2.3Hz,1H),6.86(d,J=8.7Hz,1H),6.10(s,1H),1.00(s,9)。13C NMR(100MHz,丙酮-d6)δ157.03,153.44,150.79,143.39,143.30,140.37,136.54,135.66,131.31,130.34,129.79,129.69,128.71,128.53,126.89,126.25,125.37,124.56,123.72,118.96,115.76,115.63,107.62,36.14,29.95。HRMS(ESI)精确质量计算[M+H]+C32H29ClNO2 +,m/z:494.1881,实测值:494.1875。IR(KBr,cm-1)3530,3401,3053,2961,1692,1618,1593,1491,1215,818。M.P.105-108℃。
Figure BDA0002043191390000227
Figure BDA0002043191390000228
HPLC条件:DAICEL CHIRALCEL OX-3,正己烷/异丙醇=95/5,流速=0.6mL/min,λ=254nm),tR(major)=15.7min,tR(minor)=20.7min,ee=99%。
实施例12
Figure BDA0002043191390000221
根据通用步骤E,为白色泡沫状,74%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ8.91(brs,1H),8.43(d,J=8.3Hz,1H),7.75(d,J=8.0Hz,1H),7.70–6.68(m,2H),7.59(d,J=8.9Hz,1H),7.50–7.45(m,2H),7.38(t,J=8.1Hz,1H),7.25(t,J=7.4Hz,1H),7.12(d,J=8.7Hz,2H),6.94(d,J=8.7Hz,1H),6.88–6.85(m,3H),6.18(s,1H),3.49(s,3H),1.01(s,9H)。13C NMR(100MHz,丙酮-d6)δ159.23,153.84,151.48,143.50,140.02,136.02,135.94,130.98,130.35,129.74,129.58,129.16,128.79,127.40,126.79,125.91,125.62,124.89,123.98,123.90,119.58,119.10,116.25,116.17,104.37,55.65,36.37,30.04。HRMS(ESI)精确质量计算[M+H]+C33H31ClNO2 +,m/z:508.2038,实测值:508.2033。IR(KBr,cm-1)2951,1620,1593,1514,1491,1223,814。M.P.91-94℃。
Figure BDA0002043191390000223
Figure BDA0002043191390000224
HPLC条件:DAICEL CHIRALPAK IA,正己烷/异丙醇=80/20,流速=0.5mL/min,λ=254nm),tR(major)=13.0min,tR(minor)=16.1min,ee=98%。
实施例13
Figure BDA0002043191390000222
根据通用步骤E,为白色泡沫状,98%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ9.24(s,1H),8.85(d,J=8.7Hz,1H),8.60(dd,J=9.3,1.6Hz,1H),8.23(s,1H),7.90(d,J=7.0Hz,1H),7.76–7.72(m,2H),7.50–7.43(m,2H),7.34–7.30(m,1H),7.27–7.24(m,1H),7.21(dd,J=9.3,1.4Hz,1H),7.17–7.15(m,2H),6.96(s,2H),6.14(s,1H),3.92(s,3H),1.02(s,9H)。13C NMR(101MHz,丙酮-d6)δ168.77,153.30,152.48,143.51,140.40,135.73,135.57,130.70,130.59,129.87,129.19,129.15,129.08,127.80,127.41,127.35,126.70,125.93,125.71,125.50,125.03,124.08,120.29,119.29,52.47,36.59,29.96。HRMS(ESI)精确质量计算[M+H]+C34H31ClNO3 +,m/z:536.1987,实测值:536.1979。IR(KBr,cm-1)3395,3358,2951,1717,1593,1491,1258,818。M.P.95-98℃。
Figure BDA0002043191390000225
Figure BDA0002043191390000226
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(minor)=19.8min,tR(major)=26.6min,ee=98%。
实施例14
Figure BDA0002043191390000231
根据通用步骤E,为白色泡沫状,99%收率,97%ee。
1H NMR(400MHz,丙酮-d6)δ8.58(d,J=8.7Hz,1H),8.15(s,1H),8.06(s,1H),7.74(d,J=8.8Hz,2H),7.70(d,J=8.0Hz,1H),7.51(s,1H),7.48–7.41(m,3H),7.30–7.23(m,4H),7.06(s,2H),6.16(s,1H),2.27(s,3H),1.03(s,9H)。13C NMR(101MHz,丙酮-d6)δ152.08,143.03,140.44,135.52,133.61,130.69,129.91,129.79,129.20,129.18,128.95,127.60,126.87,126.58,126.27,125.57,124.25,123.71,120.19,118.84,36.50,30.04,17.55。HRMS(ESI)精确质量计算[M+H]+C33H31ClNO+,m/z:492.2089,实测值:492.2083。IR(KBr,cm-1)3526,3402,3053,2955,1697,1593,1495,1341,818,752。M.P.94-96℃。
Figure BDA0002043191390000233
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(minor)=5.8min,tR(major)=6.5min,ee=97%。
实施例15
Figure BDA0002043191390000232
根据通用步骤E,为白色泡沫状,88%收率,99%ee。
1H NMR(400MHz,丙酮-d6)δ8.59(d,J=8.7Hz,1H),8.30(s,1H),7.79–7.71(m,3H),7.59(s,1H),7.44(t,J=7.5Hz,2H),7.38–7.24(m,8H),7.15(s,1H),6.95(s,2H),6.23(s,1H),1.03(s,9H)。13C NMR(101MHz,丙酮-d6)δ152.37,150.32,143.42,140.61,138.87,135.71,134.36,132.47,130.82,130.62,130.60,130.42,129.91,129.81,129.42,129.33,128.51,127.15,126.94,126.49,125.86,125.42,124.36,124.18,120.03,119.42,36.64,30.09。HRMS(ESI)精确质量计算[M+H]+C38H33ClNO+,m/z:554.2245,实测值:554.2241。IR(KBr,cm-1)3526,3406,3053,2957,1593,1495,1254,818,749。M.P.102-104℃。
Figure BDA0002043191390000234
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(minor)=5.5min,tR(major)=6.1min,ee=99%。
实施例16
Figure BDA0002043191390000241
根据通用步骤E,为白色泡沫状,70%收率,92%ee。
1H NMR(400MHz,丙酮-d6)δ8.57(s,1H),8.38(d,J=8.5Hz,1H),7.69(t,J=9.3Hz,2H),7.48(d,J=8.9Hz,1H),7.37(t,J=7.3Hz,1H),7.31(s,1H),7.24(t,J=7.6Hz,1H),7.20(d,J=8.8Hz,2H),7.05(d,J=8.8Hz,2H),6.08(d,J=2.3Hz,1H),6.00(d,J=2.3Hz,1H),5.96(s,1H),3.65(s,3H),3.49(s,3H),0.86(s,9H)。13C NMR(101MHz,丙酮-d6)δ160.91,160.31,156.68,149.99,143.81,139.24,135.79,130.16,129.90,128.64,128.41,128.32,126.19,125.76,124.92,123.68,123.54,119.46,119.41,118.60,114.44,95.03,91.57,55.64,55.46,35.83,30.10。HRMS(ESI)精确质量计算[M+H]+C30H31ClNO3 +,m/z:488.1987,实测值:488.1982。IR(KBr,cm-1)3499,3397,3358,3049,2955,1618,1593,1495,1150,1098,818。M.P.72-74℃。
Figure BDA0002043191390000243
HPLC条件:DAICELCHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.5mL/min,λ=254nm),tR(major)=10.4min,tR(minor)=17.4min,ee=92%。
实施例17
Figure BDA0002043191390000242
根据通用步骤E,为白色泡沫状,85%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ8.96(s,1H),8.53(d,J=8.7Hz,1H),8.21(s,1H),7.77(d,J=1.7Hz,1H),7.74(d,J=8.2Hz,1H),7.67(d,J=8.9Hz,1H),7.62(d,J=8.8Hz,1H),7.49(d,J=8.9Hz,1H),7.43(ddd,J=8.5,6.7,1.4Hz,1H),7.26(ddd,J=8.0,6.7,1.1Hz,2H),7.17(d,J=8.3Hz,2H),7.10(d,J=8.8Hz,1H),6.95(s,2H),6.14(s,1H),1.31(s,9H),1.00(s,9H)。13C NMR(101MHz,丙酮-d6)δ152.23,150.97,142.22,139.95,133.91,130.95,129.48,129.04,129.02,128.96,128.72,128.33,127.70,126.29,124.92,124.51,124.33,123.66,122.59,118.60,118.33,117.93,97.82,79.52,35.52,30.56,29.08,27.75。HRMS(ESI)精确质量计算[M+H]+C38H37ClNO+,m/z:558.2558,实测值:558.2555。IR(KBr,cm-1)3401,3055,2960,2864,1589,1491,1360,810。M.P.115-117℃。
Figure BDA0002043191390000244
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=9.0min,tR(minor)=15.0min,ee=98%。
实施例18
Figure BDA0002043191390000251
根据通用步骤E,为白色泡沫状,82%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ8.95(s,1H),8.60(d,J=8.7Hz,1H),8.14(s,1H),7.74(d,J=7.5Hz,1H),7.61(d,J=9.0Hz,2H),7.49–7.41(m,3H),7.27(ddd,J=7.9,6.8,1.0Hz,1H),7.15(d,J=8.2Hz,2H),7.12–7.07(m,2H),6.94(s,2H),6.12(s,1H),2.36(s,3H),1.00(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.07,151.44,143.66,139.42,134.87,133.92,133.23,130.77,130.42,129.80,129.57,128.68,128.17,128.00,127.06,126.32,125.61,124.88,124.60,123.42,119.46,118.87,36.40,30.04,21.28。HRMS(ESI)精确质量计算[M+H]+C33H31ClNO+,m/z:492.2089,实测值:492.2085。IR(KBr,cm-1)3526,3410,3055,2957,1593,1491,1346,1304,824。M.P.94-96℃。
Figure BDA0002043191390000253
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=12.3min,tR(minor)=15.6min,ee=98%。
实施例19
Figure BDA0002043191390000252
根据通用步骤E,为白色泡沫状,91%收率,96%ee。
1H NMR(400MHz,丙酮-d6)δ8.96(s,1H),8.66(d,J=8.7Hz,1H),8.32(s,1H),8.01(d,J=1.7Hz,1H),7.77(t,J=8.3Hz,2H),7.70(d,J=7.6Hz,2H),7.63(d,J=8.8Hz,1H),7.59(d,J=8.2Hz,1H),7.53(d,J=8.8Hz,1H),7.50–7.46(m,1H),7.41(t,J=7.6Hz,2H),7.29(td,J=7.3,2.0Hz,2H),7.18(d,J=7.7Hz,2H),7.11(d,J=8.8Hz,1H),6.99(s,2H),6.16(s,1H),1.04(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.14,151.72,143.34,141.58,140.48,136.12,134.94,134.90,130.72,130.46,129.93,129.89,129.72,129.67,129.28,127.88,127.64,127.23,126.62,126.18,125.72,125.55,125.02,124.80,123.50,119.34,118.88,36.46,30.05。HRMS(ESI)精确质量计算[M+H]+C38H33ClNO+,m/z:554.2245,实测值:554.2243。IR(KBr,cm-1)3530,3401,3059,2955,1690,1589,1491,1304,814,752。M.P.115-116℃。
Figure BDA0002043191390000254
Figure BDA0002043191390000255
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=17.3min,tR(minor)=28.6min,ee=96%。
实施例20
Figure BDA0002043191390000261
根据通用步骤E,为白色泡沫状,99%收率,96%ee。
1H NMR(400MHz,丙酮-d6)δ8.98(s,1H),8.56(d,J=8.7Hz,1H),8.17(s,1H),7.92(d,J=2.1Hz,1H),7.76(d,J=7.9Hz,1H),7.67(d,J=9.0Hz,1H),7.64(d,J=8.8Hz,1H),7.53(d,J=8.8Hz,1H),7.47(ddd,J=8.5,6.8,1.3Hz,1H),7.35(d,J=8.1Hz,1H),7.30–7.26(m,1H),7.18(d,J=7.4Hz,2H),7.10(d,J=8.8Hz,1H),6.96(s,2H),6.14(s,1H),1.00(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.15,151.89,142.99,140.82,134.72,134.25,131.43,130.68,130.35,130.01,129.85,129.67,129.31,127.97,127.32,125.68,125.25,125.16,124.32,123.47,119.44,118.78,117.01,36.37,29.92。HRMS(ESI)精确质量计算[M+H]+C32H28BrClNO+,m/z:556.1037,实测值:556.1033。IR(KBr,cm-1)3541,3055,2957,1701,1491,1344,818。M.P.105-107℃。
Figure BDA0002043191390000262
HPLC条件:DAICELCHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=13.5min,tR(minor)=21.8min,ee=96%。
实施例21
Figure BDA0002043191390000263
根据通用步骤E,为白色泡沫状,91%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ8.98(s,1H),8.81(d,J=8.0Hz,1H),8.29(s,1H),7.84(d,J=8.0Hz,1H),7.76–7.67(m,3H),7.57–7.47(m,4H),7.41–7.37(m,1H),7.28–7.22(m,5H),7.18–7.01(m,5H),6.18(s,1H),1.03(s,9H)。13C NMR(101MHz,丙酮-d6)δ152.23,150.74,142.42,140.82,140.34,138.07,134.84,134.05,129.69,129.15,129.13,128.95,128.79,128.75,128.61,127.68,127.17,127.07,126.98,125.62,124.74,124.34,124.12,123.57,122.61,122.17,118.62,118.00,117.59,35.60,29.18。HRMS(ESI)精确质量计算[M+H]+C38H33ClNO+,m/z:554.2245,实测值:554.2238。IR(KBr,cm-1)3530,3055,2955,1686,1589,1489,1341,820,756。M.P.107-110℃。
Figure BDA0002043191390000264
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=13.9min,tR(minor)=30.5min,ee=98%。
实施例22
Figure BDA0002043191390000271
根据通用步骤E,为白色泡沫状,93%收率,97%ee。
1H NMR(400MHz,丙酮-d6)δ8.97(s,1H),8.58(d,J=8.7Hz,1H),8.47(s,1H),7.77(d,J=7.9Hz,1H),7.69(d,J=8.9Hz,1H),7.66(dd,J=8.6,1.2Hz,2H),7.53–7.48(m,2H),7.32–7.28(m,2H),7.21–7.15(m,2H),7.12(d,J=8.8Hz,1H),6.96(s,2H),6.15(s,1H),1.02(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.22,151.92,142.93,141.33,137.02,134.76,130.84,130.41,130.12,129.88,129.72,128.83,128.60,127.46,126.76,125.77,125.42,125.09,124.21,123.55,120.57,119.61,118.78,36.41,29.96。HRMS(ESI)精确质量计算[M-H]- 32H26BrClNO-,m/z:554.0892,实测值:554.0886。IR(KBr,cm-1)3397,3053,2957,1690,1597,1491,1341,820。M.P.96-98℃。
Figure BDA0002043191390000272
HPLC条件:DAICELCHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=11.7min,tR(minor)=14.5min,ee=97%。
实施例23
Figure BDA0002043191390000273
根据通用步骤E,为白色泡沫状,83%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ8.94(brs,1H),8.81(brs,1H),7.80(d,J=8.1Hz,1H),7.67–7.57(m,3H),7.54–7.51(m,1H),7.50–7.23(m,6H),7.12–7.10(m,3H),6.80(dd,J=8.9,2.4Hz,1H),6.15(s,1H),3.35(s,3H),1.05(s,9H)。13C NMR(101MHz,丙酮-d6)δ157.91,152.20,150.72,142.47,140.33,135.83,134.15,129.56,129.53,129.08,129.00,128.91,127.68,126.49,125.67,124.85,124.78,124.05,123.82,122.50,118.68,118.09,115.65,114.93,104.35,54.93,35.63,29.15。HRMS(ESI)精确质量计算[M-H]-C33H29ClNO2 -,m/z:506.1892,实测值:506.1886。IR(KBr,cm-1)3055,2955,1686,1620,1593,1514,1491,1217,814。M.P.89-92℃。
Figure BDA0002043191390000274
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=254nm),tR(major)=13.5min,tR(minor)=16.9min,ee=98%。
实施例24
Figure BDA0002043191390000281
根据通用步骤E,在-10℃下反应12小时,为白色泡沫状,93%收率,92%ee。
1H NMR(600MHz,DMSO,50℃)δ9.96(brs,1H),8.43(d,J=8.7Hz,1H),7.77(brs,1H),7.69(d,J=8.0Hz,1H),7.60(d,J=8.7Hz,1H),7.38(t,J=7.5Hz,1H),7.26–7.24(m,1H),7.22(d,J=7.2Hz,1H),7.08(d,J=8.7Hz,1H),7.02(s,2H),6.38(d,J=1.6Hz,1H),6.07(s,1H),5.62(s,1H),3.67(s,3H),3.48(s,3H),0.98(s,9H)。13C NMR(151MHz,DMSO,50℃)δ160.12,159.68,151.46,148.45,143.35,142.58,134.66,129.52,129.06,128.34,127.91,126.65,125.28,125.13,124.19,123.52,122.60,119.00,118.07,112.00,93.98,91.52,55.40,55.24,35.21,29.89。HRMS(ESI)精确质量计算[M+H]+C30H31ClNO3 +,m/z:488.1987,实测值:488.1983。IR(KBr,cm-1)3410,2955,1584,1491,1088,818。M.P.73-76℃。
Figure BDA0002043191390000282
Figure BDA0002043191390000283
HPLC条件:DAICEL CHIRALPAK IA,正己烷/异丙醇=90/10,流速=0.5mL/min,λ=254nm),tR(minor)=11.3min,tR(major)=12.5min,ee=98%。
实施例25
Figure BDA0002043191390000284
根据通用步骤E,为白色泡沫状,87%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ8.94(s,1H),8.67(d,J=8.7Hz,1H),8.26(s,1H),7.79(d,J=8.0Hz,1H),7.68–7.62(m,3H),7.57–7.53(m,1H),7.50(d,J=8.6Hz,1H),7.32(t,J=7.4Hz,1H),7.19(s,2H),7.12(d,J=8.3Hz,1H),7.09(d,J=8.8Hz,1H),7.01(s,2H),6.12(s,1H),1.23(s,9H),1.02(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.01,151.57,143.23,140.96,135.28,134.82,130.51,130.00,129.90,129.65,129.29,128.89,128.58,127.39,126.18,125.44,124.97,124.78,123.45,122.09,119.29,118.69,98.71,80.58,36.40,31.37,29.94,28.52。HRMS(ESI)精确质量计算[M+H]+C38H37ClNO+,m/z:558.2558,实测值:558.2554。IR(KBr,cm-1)3536,3401,3055,2903,2862,1593,1510,1491,1337,1285,841,818。M.P.76-79℃。
Figure BDA0002043191390000285
Figure BDA0002043191390000286
HPLC条件:DAICEL CHIRALPAK IA,正己烷/异丙醇=80/20,流速=0.5mL/min,λ=254nm),tR(major)=11.2min,tR(minor)=12.4min,ee=98%。
实施例26
Figure BDA0002043191390000291
根据通用步骤E,为白色泡沫状,91%收率,96%ee。
1H NMR(400MHz,丙酮-d6)δ9.12(s,1H),8.63(d,J=8.7Hz,1H),8.29(s,1H),7.79–7.72(m,3H),7.61–7.56(m,2H),7.50–7.43(m,3H),7.30–7.26(m,3H),7.07(m,3H),6.12(s,1H),0.96(s,9H)。13C NMR(101MHz,丙酮-d6)δ152.84,151.21,148.79,138.01,135.54,134.66,134.05,131.29,130.29,129.78,129.44,128.85,128.76,127.08,126.47,125.95,125.40,124.78,124.52,123.32,120.32,118.53,115.45,101.05,36.24,29.85。HRMS(ESI)精确质量计算[M+H]+C33H29N2O+,m/z:469.2274,实测值:469.2270。IR(KBr,cm-1)3391,3055,2955,2216,1717,1593,1510,1341,818。M.P.117-119℃。
Figure BDA0002043191390000292
HPLC条件:DAICEL CHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=240nm),tR(minor)=16.7min,tR(major)=20.8min,ee=96%。
实施例27
Figure BDA0002043191390000293
根据通用步骤E,为白色泡沫状,93%收率,98%ee。
1H NMR(400MHz,丙酮-d6)δ9.15(s,1H),8.65(d,J=8.7Hz,1H),8.26(s,1H),7.83–7.75(m,5H),7.62(d,J=8.8Hz,1H),7.49(ddd,J=8.5,6.8,1.3Hz,1H),7.31–7.26(m,3H),7.10(d,J=8.8Hz,1H),7.00(s,2H),6.13(s,1H),3.79(s,3H),0.96(s,9H)。13C NMR(101MHz,丙酮-d6)δ166.97,152.86,151.28,148.94,138.77,135.50,134.67,131.86,130.95,130.32,129.78,129.49,128.85,128.64,127.06,126.41,126.01,125.41,124.62,124.39,123.34,120.95,120.38,118.59,114.96,51.64,36.25,29.85。HRMS(ESI)精确质量计算[M+H]+C34H32NO3 +,m/z:502.2377,实测值:502.2374。IR(KBr,cm-1)3395,3053,2951,1710,1686,1593,1510,1279,1175,814,746。M.P.112-115℃。
Figure BDA0002043191390000294
HPLC条件:DAICELCHIRALPAK AD-3,正己烷/异丙醇=90/10,流速=0.7mL/min,λ=240nm),tR(minor)=15.7min,tR(major)=23.8min,ee=98%。
实施例28
Figure BDA0002043191390000301
根据通用步骤E,在0℃反应12h,为白色泡沫状,95%收率,95%ee。
1H NMR(400MHz,丙酮)δ8.94(s,1H),8.48(d,J=8.7Hz,1H),8.17–8.14(m,1H),7.78–7.73(m,3H),7.64(d,J=8.8Hz,1H),7.53(d,J=8.9Hz,1H),7.42–7.38(m,1H),7.29–7.23(m,3H),7.18–7.11(m,4H),6.92(d,J=8.7Hz,2H),6.08(d,J=10.2Hz,1H),2.51–2.39(m,1H),1.03(d,J=6.6Hz,3H),0.88(d,J=6.6Hz,3H)。13C NMR(101MHz,丙酮)δ152.89,149.23,143.95,139.38,134.63,134.51,130.93,130.29,129.74,129.51,129.13,128.70,128.13,127.16,126.66,126.29,126.14,125.33,124.45,124.12,123.50,120.59,118.69,118.43,29.92,22.66。HRMS(ESI)精确质量计算[M+H]+C31H27N3O4 +,m/z:464.1776,实测值:464.1774。IR(KBr,cm-1)3524,3402,3053,2957,1593,1491,818。M.P.71-74℃。
Figure BDA0002043191390000302
Figure BDA0002043191390000303
HPLC条件:DAICEL CHIRALCEL OD-3,正己烷/异丙醇=95/5,流速=0.5mL/min,λ=254nm),tR(minor)=16.3min,tR(major)=19.0min,ee=95%。
实施例29
Figure BDA0002043191390000304
根据通用步骤E,在0℃反应12h,为白色泡沫状,96%收率,94%ee。
1H NMR(400MHz,丙酮)δ8.82(s,1H),8.39(d,J=8.6Hz,1H),8.12(d,J=8.7Hz,1H),7.79–7.76(m,2H),7.74(dd,J=8.2,3.3Hz,2H),7.61(d,J=8.8Hz,1H),7.51(d,J=8.9Hz,1H),7.37–7.32(m,1H),7.30–7.22(m,3H),7.13–7.09(m,4H),6.88(d,J=8.7Hz,2H),6.25(t,J=7.3Hz,1H),2.18–1.99(m,2H),0.98(t,J=7.5Hz,3H)。13C NMR(151MHz,丙酮)δ152.87,143.97,139.58,134.57,134.50,131.00,130.28,129.80,129.71,129.46,129.22,128.92,127.11,126.80,126.51,126.21,125.47,124.64,124.19,123.70,123.51,120.76,118.80,118.66,24.14,13.90。HRMS(ESI)精确质量计算[M+H]+C30H25ClNO+,m/z:450.1619,实测值:450.1616。IR(KBr,cm-1)3431,2930,1620,1491,820。M.P.62-64℃。
Figure BDA0002043191390000305
Figure BDA0002043191390000306
HPLC条件:DAICEL CHIRALPAK IA,正己烷/异丙醇=95/5,流速=0.5mL/min,λ=254nm),tR(minor)=21.1min,tR(major)=23.1min,ee=94%。
实施例30
Figure BDA0002043191390000311
根据通用步骤E,在甲苯中用C18为催化剂反应72h,为黄色固体,90%收率,96%ee。
1H NMR(400MHz,丙酮)δ8.61(s,1H),8.21–8.19(m,1H),7.71(dd,J=7.4,1.9Hz,1H),7.71(d,J=9.0Hz,1H),7.42(d,J=8.9Hz,1H),7.26–7.18(m,2H),7.06–7.02(m,2H),7.00(s,1H),6.99(s,1H),6.97–6.89(m,5H),6.77–6.73(m,2H),6.14(d,J=2.3Hz,1H),6.04(d,J=2.3Hz,1H),3.65(s,3H),3.48(s,3H)。13C NMR(101MHz,丙酮)δ161.25,160.16,156.70,143.78,138.83,138.06,138.00,134.18,130.65,130.09,129.43,129.21,128.69,128.62,128.50,127.68,126.99,126.32,126.16,124.52,123.98,120.03,118.96,113.46,94.94,91.54,55.75,55.38。HRMS(ESI)精确质量计算[M+H]+C32H27ClNO3 +,m/z:508.1674,实测值:508.1669。IR(KBr,cm-1)3401,3053,2930,2837,1618,1593,1491,1153,1093,814。M.P.70-73℃。
Figure BDA0002043191390000312
-271.5°(c=0.4,CHCl3)。HPLC条件:HPLC DAICEL CHIRALPAK IA,正己烷/异丙醇=80/20,0.5mL/min,λ=230nm,tR(major)=9.03min,tR(minor)=12.77min,ee=96%。
实施例31
Figure BDA0002043191390000313
根据通用步骤E,在甲苯中用C18为催化剂反应72h,为黄色固体,91%收率,95%ee。
1H NMR(400MHz,丙酮)δ8.70(s,1H),8.19–8.16(m,1H),7.75(d,J=8.3Hz,2H),7.45(d,J=8.9Hz,1H),7.29–7.22(m,2H),7.07–7.03(m,2H),6.98(s,1H),6.97–6.94(m,2H),6.91–6.87(m,2H),6.83–6.81(m,1H),6.77–6.73(m,2H),6.16(d,J=2.3Hz,1H),6.07(d,J=2.3Hz,1H),3.68(s,3H),3.53(s,3H)。13C NMR(101MHz,丙酮)δ161.46,160.14,156.71,143.82,140.18,138.83,136.36,134.14,133.98,132.04,130.76,130.01,129.44,128.90,128.72,127.64,127.44,126.70,126.54,125.86,124.49,124.16,120.41,118.56,118.50,113.16,95.01,91.59,55.83,55.42。HRMS(ESI)精确质量计算[M+H]+C32H26Cl2NO3 +,m/z:542.1284,实测值:542.1278。IR(KBr,cm-1)3502,2930,2837,1614,1593,1491,1207,1098,818。M.P.89-91℃。
Figure BDA0002043191390000314
HPLC条件:HPLC DAICELCHIRALPAK IA,正己烷/异丙醇=80/20,1.0mL/min,λ=254nm,tR(major)=7.83min,tR(minor)=11.46min,ee=95%。
实施例32
Figure BDA0002043191390000321
根据通用步骤E,在甲苯中用C18为催化剂反应72h,为黄色固体,96%收率,95%ee。
1H NMR(400MHz,丙酮)δ8.67(s,1H),8.18–8.16(m,1H),7.77–7.71(m,2H),7.42(d,J=8.9Hz,1H),7.29–7.22(m,2H),7.07–7.03(m,4H),6.94(s,2H),6.79(d,J=8.4Hz,2H),6.74–6.71(m,2H),6.15(d,J=2.3Hz,1H),6.06(d,J=2.3Hz,1H),3.68(s,3H),3.52(s,3H)。
13C NMR(101MHz,丙酮)δ161.41,160.12,156.68,143.87,138.74,137.35,136.61,134.19,131.50,131.38,130.99,130.76,129.43,128.83,128.73,126.75,126.53,126.00,124.40,124.17,121.06,120.53,118.48,113.26,94.99,91.58,55.83,55.42。HRMS(ESI)精确质量计算[M+H]+C32H26BrClNO3 +,m/z:586.0779,实测值:586.0779。IR(KBr,cm-1)3397,2363,1618,1593,1491,1201,1153,814。M.P.98-100℃。
Figure BDA0002043191390000324
HPLC条件:HPLC DAICEL CHIRALPAK IA,正己烷/异丙醇=80/20,1.0mL/min,λ=254nm,tR(major)=9.41min,tR(minor)=14.32min,ee=95%。
实施例33
Figure BDA0002043191390000322
根据通用步骤E,在甲苯中用C18为催化剂反应72h,为黄色固体,74%收率,91%ee。
1H NMR(400MHz,CD2Cl2)δ8.54(s,1H),8.13(s,1H),7.84(d,J=8.5Hz,1H),7.81(d,J=8.3Hz,1H),7.77(d,J=9.0Hz,1H),7.69(d,J=8.8Hz,1H),7.60(d,J=8.2Hz,1H),7.40(s,1H),7.39(d,J=10.3Hz,2H),7.35–7.06(m,15H),6.59(s,2H),6.18(s,1H)。13C NMR(101MHz,CD2Cl2)δ152.83,141.69,141.51,140.52,139.89,139.12,136.42,133.75,133.41,131.89,130.97,130.29,130.14,129.78,129.66,129.31,129.27,129.20,129.13,129.03,129.01,127.86,127.81,127.75,127.50,125.47,124.61,123.39,123.14,123.02,121.41,119.31,118.77。HRMS(ESI)精确质量计算[M+H]+C40H29ClNO+,m/z:574.1932,实测值:574.1929。IR(KBr,cm-1)3395,3358,3055,1593,1487,1306,818。M.P.153-155℃。
Figure BDA0002043191390000323
HPLC条件:HPLC DAICEL CHIRALPAK IB,正己烷/异丙醇=95/05,0.5mL/min,λ=254nm,tR(major)=27.53min,tR(minor)=34.06min,ee=91%。
实施例34
Figure BDA0002043191390000331
根据通用步骤E,在甲苯中用C18为催化剂反应72h,为黄色固体,66%收率,90%ee。
1H NMR(400MHz,CD2Cl2)δ8.46(s,1H),8.09(d,J=8.2Hz,1H),7.84(d,J=8.4Hz,1H),7.83(d,J=8.1Hz,1H),7.80(d,J=9.0Hz,1H),7.69(d,J=8.8Hz,1H),7.60(dd,J=8.4,1.5Hz,1H),7.36–7.25(m,9H),7.14–6.98(m,7H),6.90–6.69(m,1H),6.59(d,J=7.4Hz,2H),6.22(s,1H)。13C NMR(101MHz,CD2Cl2)δ152.62,141.68,141.52,139.97,139.25,138.79,138.39,134.64,133.71,133.41,130.94,130.47,130.35,130.21,129.81,129.62,129.34,129.30,129.24,129.10,128.68,127.93,127.85,127.81,127.22,127.12,125.24,124.70,123.48,122.90,122.85,120.63,119.84,118.68。HRMS(ESI)精确质量计算[M+H]+C40H28Cl2NO+,m/z:608.1542,实测值:608.1539。IR(KBr,cm-1)3399,3360,3061,1593,1310,816,750。M.P.155-158℃。
Figure BDA0002043191390000332
HPLC条件:HPLC DAICELCHIRALPAK AD3,正己烷/异丙醇=90/10,1.0mL/min,λ=254nm,tR(minor)=13.99min,tR(major)=20.49min,ee=90%。
实施例35
Figure BDA0002043191390000333
根据通用步骤E,在甲苯中用C18为催化剂反应72h,为黄色固体,70%收率,91%ee。
1H NMR(400MHz,CD2Cl2)δ8.46(s,1H),8.09(d,J=8.0Hz,1H),7.83(d,J=8.5Hz,1H),7.82(d,J=8.5Hz,1H),7.78(d,J=8.9Hz,1H),7.68(d,J=8.8Hz,1H),7.59(dd,J=8.4,1.4Hz,1H),7.36–7.25(m,9H),7.23(d,J=8.5Hz,2H),7.09(d,J=8.2Hz,2H),7.04(d,J=8.7Hz,1H),6.99(d,J=8.5Hz,2H),6.91–6.77(m,1H),6.58(d,J=5.3Hz,2H),6.22(s,1H)。13C NMR(101MHz,CD2Cl2)δ152.60,141.66,141.52,139.91,139.16,139.07,135.51,133.73,133.08,132.63,132.08,130.97,130.71,130.43,130.28,129.80,129.61,129.36,129.30,129.23,127.93,127.84,127.80,127.12,125.29,124.71,123.44,122.97,122.72,120.65,119.84,118.67。HRMS(ESI)精确质量计算[M+H]+C40H28BrClNO+,m/z:652.1037,实测值:608.1033。IR(KBr,cm-1)3551,3526,3360,3051,1618,1501,1487,1312,818。M.P.168-169℃。
Figure BDA0002043191390000334
Figure BDA0002043191390000335
HPLC条件:HPLC DAICEL CHIRALPAK AD3,正己烷/异丙醇=90/10,1.0mL/min,λ=254nm,tR(minor)=16.98min,tR(major)=27.36min,ee=91%。
实施例36
反应条件筛选:
使用4a为底物,反应进行得非常缓慢,只能检测到痕量的产物5a,将温度升至室温,得到所需产物5a,产率为23%,ee为44%。在DCM中筛选各种手性磷酸和N-三氟甲基磷酰胺都没有得到理想的结果。筛选溶剂后发现,C4和CCl4是最佳组合,产率为76%,ee为-83%。进一步筛选磷酸,发现C16、C17可以大幅提高对映选择性。在CCl4中,SPINOL衍生的手性磷酸C17获得90%ee。通过优化温度、催化剂用量和反应时间,确定了最佳反应条件:使用5mol%催化剂C17,1a(1.5当量)和4a时在CCl4中、10℃下反应72小时,获得ENOBIN(aS)-5a(E/Z>19:1),产率为83%,ee为92%。
Figure BDA0002043191390000341
用1a(0.15mmol),4a(0.10mmol)和催化剂(5mol%)在2.0mL溶剂中反应。
Figure BDA0002043191390000342
Figure BDA0002043191390000351
b:分离收率;c:通过HPLC分析确定;d:10mol%催化剂,反应2h.;e:在氩气保护、无光照条件;f:1a为0.3mmol,2a为0.2mmol。
经过反应条件筛选,得到了通用的合成步骤G:
向装有搅拌棒的10mL Schlenk管中加入化合物1(0.30mmol),C17(8.2mg,0.010mmol,5mol%)的CCl4(4.0mL)溶液,将混合物在10℃下搅拌5分钟,然后在氩气保护下一次性加入化合物4(0.20mmol)。用锡箔保护后,将混合物在10℃下再搅拌72小时。将反应混合物通过硅胶柱色谱法直接纯化(PE/DCM/EA=n:5:1梯度洗脱),得到纯产物。
Figure BDA0002043191390000352
外消旋体的合成:
向2.0mL反应瓶中加入化合物4(0.02mmol),化合物1(0.03mmol),磷酸二苯酯(0.50mg,0.002mmol)和0.5mL DCM。将反应混合物在室温下搅拌并通过TLC监测,反应完成后,通过TLC制备硅胶板纯化得到外消旋体。
Figure BDA0002043191390000361
实施例37~48对底物的适用范围进行拓展,具有不同取代基的2-萘酚以中等至良好产率(64~85%)、90-93%ee得到产物5a~5l。3,5-二甲氧基苯酚也是一种有效的亲核试剂,得到5g。萘环的取代基的电子性质和位置对对映选择性、E/Z选择性的影响有限。
实施例37
Figure BDA0002043191390000362
根据通用步骤G,为白色泡沫状,79%产率,92%ee。
1H NMR(400MHz,丙酮-d6)δ8.97(brs,1H),8.63(d,J=8.7Hz,1H),8.08(d,J=8.7Hz,1H),7.76(d,J=8.0Hz,1H),7.69–7.64(m,3H),7.44(t,J=7.6Hz,1H),7.35–7.17(m,8H),7.11–7.06(m,2H),6.17(s,1H),5.47(brs,1H),4.51(d,J=4.3Hz,2H),1.03(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.71,152.49,144.63,140.48,135.02,134.97,130.39,129.94,129.62,129.45,129.09,128.90,128.55,128.05,127.06,126.66,126.46,126.04,125.52,124.11,123.38,122.71,120.13,119.64,114.81,49.08,36.46,29.98。HRMS(ESI)精确质量计算[M+H]+C33H32NO+,m/z:458.2478,实测值:458.2470。IR(KBr,cm-1)3514,3354,3055,2957,2862,1618,1599,1510,1215,814,743。M.P.74-76℃。
Figure BDA0002043191390000363
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=13.7min,tR(minor)=16.5min,ee=92%。
实施例38
Figure BDA0002043191390000364
根据通用步骤G,为白色固体,64%产率,91%ee。
1H NMR(400MHz,丙酮-d6)δ8.80(brs,1H),8.51(d,J=8.8Hz,1H),8.08(d,J=8.6Hz,1H),7.70-7.64(m,2H),7.56(d,J=8.8Hz,1H),7.53(s,1H),7.33–7.16(m,8H),7.12–7.08(m,1H),7.03(d,J=8.8Hz,1H),6.15(s,1H),5.44(brs,1H),4.50(s,2H),2.40(s,3H),1.02(s,9H)。
13C NMR(101MHz,丙酮-d6)δ153.04,152.32,144.64,140.49,135.04,133.15,132.50,130.63,129.58,129.44,129.26,129.22,129.08,128.88,128.62,128.57,128.03,126.63,126.08,125.51,124.03,122.68,120.14,119.61,114.80,49.11,36.44,30.00,21.16。HRMS(ESI)精确质量计算[M+H]+C34H34NO+,m/z:472.2635,实测值:472.2629。IR(KBr,cm-1)3514,3422,3028,2955,2862,1599,1510,1470,1381,1217,1153,808,743。M.P.85-88℃。
Figure BDA0002043191390000371
Figure BDA0002043191390000372
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=13.3min,tR(minor)=15.2min,ee=91%。
实施例39
Figure BDA0002043191390000373
根据通用步骤G,为白色固体,70%产率,91%ee。
1H NMR(400MHz,丙酮-d6)δ9.16(brs,1H),8.54(d,J=9.2Hz,1H),8.02(d,J=8.7Hz,1H),7.97(d,J=2.2Hz,1H),7.69(d,J=8.9Hz,1H),7.68–7.63(m,2H),7.50(d,J=7.9Hz,1H),7.34–7.17(m,7H),7.14–7.08(m,2H),6.16(s,1H),5.41(brs,1H),4.51(s,2H),1.02(s,9H)。13C NMR(101MHz,丙酮-d6)δ154.16,152.91,144.66,140.38,134.92,133.54,131.56,131.28,129.89,129.74,129.45,129.14,129.09,128.86,128.56,128.08,127.85,126.78,126.11,125.82,124.49,122.74,120.90,119.74,116.58,114.79,49.09,36.48,29.91。HRMS(ESI)精确质量计算[M-H]-C33H29NOBr-,m/z:534.1438,实测值:534.1433。IR(KBr,cm-1)3502,3422,3358,3055,2955,2859,1593,1371,820,743。M.P.78-80℃。
Figure BDA0002043191390000374
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=15.3min,tR(minor)=20.9min,ee=91%。
实施例40
Figure BDA0002043191390000375
根据通用步骤G,为白色固体,78%产率,93%ee。
1H NMR(400MHz,丙酮-d6)δ8.79(brs,1H),8.39(s,1H),8.16(d,J=8.6Hz,1H),7.66–7.64(m,3H),7.60(d,J=8.8Hz,1H),7.26–7.18(m,6H),7.15–7.08(m,3H),7.01(d,J=8.8Hz,1H),6.16(s,1H),5.51(brs,1H),4.47(d,J=5.4Hz,2H),2.35(s,3H),1.04(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.79,152.42,144.74,140.58,136.44,135.22,129.65,129.59,129.44,129.15,128.82,128.67,128.50,128.01,126.61,126.34,125.50,124.98,123.66,122.61,120.17,118.69,114.82,49.04,36.59,30.06,22.21。HRMS(ESI)精确质量计算[M+H]+C34H34NO+,m/z:472.2635,实测值:472.2627。IR(KBr,cm-1)3509,3055,2955,2862,2367,1618,1599,1510,1217,818,741。M.P.65-67℃。
Figure BDA0002043191390000384
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=13.3min,tR(minor)=16.4min,ee=93%。
实施例41
Figure BDA0002043191390000381
根据通用步骤G,为白色泡沫状,68%产率,90%ee。
1H NMR(400MHz,丙酮-d6)δ9.20(brs,1H),8.80(s,1H),8.04(d,J=8.6Hz,1H),7.70–7.65(m,4H),7.36–7.34(m,3H),7.29–7.20(m,4H),7.18(d,J=8.9Hz,1H),7.15–7.10(m,2H),6.17(s,1H),5.47(brs,1H),4.53(d,J=5.5Hz,2H),1.04(s,9H)。13C NMR(101MHz,丙酮-d6)δ154.63,153.08,144.75,140.49,136.22,135.00,131.49,129.96,129.81,129.48,129.22,128.87,128.72,128.56,128.09,128.06,126.92,126.44,125.88,125.73,123.70,122.75,121.22,120.26,119.69,114.81,49.11,36.65,29.95。HRMS(ESI)精确质量计算[M-H]-C33H29NOBr-,m/z:534.1438,实测值:534.1433。IR(KBr,cm-1)3422,3055,2955,2362,1612,1499,1215,810,737。M.P.77-79℃。
Figure BDA0002043191390000382
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=15.3min,tR(minor)=19.1min,ee=90%。
实施例42
Figure BDA0002043191390000383
根据通用步骤G,为白色固体,77%产率,90%ee。
1H NMR(400MHz,丙酮-d6)δ8.91(s,1H),8.27(d,J=8.6Hz,1H),7.72(d,J=2.1Hz,1H),7.67–7.62(m,3H),7.58(d,J=8.7Hz,1H),7.30(ddd,J=8.4,6.7,1.4Hz,1H),7.19–7.16(m,5H),7.13–7.08(m,2H),6.98(d,J=8.7Hz,1H),6.87(dd,J=8.8,2.5Hz,1H),6.20(s,1H),5.58(brs,1H),4.40(s,2H),3.50(s,3H),1.03(s,9H)。13C NMR(101MHz,丙酮-d6)δ159.13,154.39,152.11,144.67,140.49,136.17,135.32,130.89,129.59,129.34,129.24,129.16,128.41,128.24,127.78,126.77,126.27,126.15,125.54,123.49,122.26,119.89,116.75,116.06,114.78,104.51,55.63,48.68,36.34,29.96。HRMS(ESI)精确质量计算[M+H]+C34H34NO2 +,m/z:488.2584,实测值:488.2575。IR(KBr,cm-1)3514,3354,3055,2957,2862,1736,1620,1514,1464,1221,810,743。M.P.74-77℃。
Figure BDA0002043191390000391
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=15.8min,tR(minor)=22.0min,ee=90%。
实施例43
Figure BDA0002043191390000392
根据通用步骤G,为白色固体,78%产率,93%ee。
1H NMR(400MHz,丙酮-d6)δ8.41(brs,1H),8.24(d,J=8.5Hz,1H),7.61–7.56(m,2H),7.32–7.18(m,6H),7.10(ddd,J=8.0,6.7,1.2Hz,1H),7.03(d,J=8.9Hz,1H),6.07(d,J=2.5Hz,1H),6.02(d,J=2.4Hz,1H),5.93(s,1H),5.62(brs,1H),4.47(s,2H),3.67(s,3H),3.45(s,3H),0.90(s,9H)。13C NMR(101MHz,丙酮-d6)δ160.75,160.24,157.14,150.47,144.24,141.13,135.16,129.23,128.70,128.34,128.25,128.13,127.68,127.46,125.53,123.39,121.89,120.35,114.32,114.13,94.85,91.50,55.51,55.36,48.73,35.73,29.91。HRMS(ESI)精确质量计算[M+H]+C31H34NO3 +,m/z:468.2533,实测值:468.2525。IR(KBr,cm-1)3524,3375,2955,1618,1599,1510,1454,1207,1150,1099,810,746。M.P.55-58℃。
Figure BDA0002043191390000393
Figure BDA0002043191390000394
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=14.6min,tR(minor)=17.3min,ee=93%。
实施例44
Figure BDA0002043191390000395
根据通用步骤G,为白色固体,85%产率,94%ee。
1H NMR(400MHz,丙酮-d6)δ9.10(brs,1H),8.65(d,J=8.7Hz,1H),7.97(d,J=8.8Hz,1H),7.75(d,J=7.5Hz,1H),7.64(d,J=8.8Hz,1H),7.59(d,J=8.9Hz,1H),7.46(t,J=7.6Hz,1H),7.44–7.21(m,7H),7.15(d,J=8.9Hz,1H),7.06(d,J=8.8Hz,1H),7.00(d,J=8.5Hz,1H),6.16(s,1H),5.34(brs,1H),4.49(s,2H),2.28(s,3H),1.02(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.74,152.30,143.67,140.38,134.90,133.15,131.97,130.36,129.91,129.60,129.45,129.28,128.98,128.94,128.60,128.07,127.99,127.01,126.66,125.95,125.46,123.98,123.32,120.36,119.71,114.85,49.17,36.40,30.03,21.23。HRMS(ESI)精确质量计算[M+H]+C34H34NO+,m/z:472.2635,实测值:472.2629。IR(KBr,cm-1)3505,3028,2955,2957,1599,1460,1217,824,746。M.P.86-88℃。
Figure BDA0002043191390000401
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=13.5min,tR(minor)=15.8min,ee=94%。
实施例45
Figure BDA0002043191390000402
根据通用步骤G,为白色固体,77%产率,90%ee。
1H NMR(400MHz,丙酮-d6)δ8.79(brs,1H),8.52(d,J=8.7Hz,1H),8.08(d,J=9.2Hz,1H),7.82(d,J=2.1Hz,1H),7.77(d,J=8.1Hz,1H),7.68(d,J=8.8Hz,1H),7.60(d,J=8.9Hz,1H),7.39(t,J=7.7Hz,1H),7.30–7.19(m,7H),7.15–7.11(m,2H),6.16(s,1H),5.54(brs,1H),4.46(s,2H),1.02(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.70,152.70,145.58,140.51,134.97,133.83,130.70,130.37,130.05,129.70,129.63,129.39,129.24,128.63,128.40,127.95,127.24,125.91,125.21,124.04,123.48,120.12,119.44,115.87,115.26,48.93,36.49,29.95。HRMS(ESI)精确质量计算[M-H]-C33H29NOBr-,m/z:534.1438,实测值:534.1434。IR(KBr,cm-1)3418,3059,2955,2862,1614,1587,1499,1337,820,748。M.P.94-96℃。
Figure BDA0002043191390000403
Figure BDA0002043191390000404
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=7.6min,tR(minor)=10.0min,ee=90%。
实施例46
Figure BDA0002043191390000405
根据通用步骤G,为白色固体,82%产率,91%ee。
1H NMR(400MHz,丙酮-d6)δ8.95(brs,1H),8.66(d,J=8.7Hz,1H),8.19(d,J=8.8Hz,1H),7.93(d,J=2.1Hz,1H),7.76(d,J=8.3Hz,1H),7.73(d,J=9.0Hz,1H),7.67–7.64(m,3H),7.53(d,J=8.2Hz,1H),7.45(t,J=7.6Hz,1H),7.39–7.15(m,10H),7.11(d,J=8.8Hz,1H),6.18(s,1H),5.52(brs,1H),4.49(s,2H),1.05(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.64,152.44,144.91,141.67,140.39,134.92,134.73,134.24,130.31,129.99,129.89,129.60,129.57,129.35,128.95,128.43,127.94,127.57,127.44,127.06,126.69,126.64,126.29,125.76,125.41,124.08,123.34,119.88,119.51,115.15,48.98,36.41,29.95。HRMS(ESI)精确质量计算[M+H]+C39H36NO+,m/z:534.2791,实测值:534.2784。IR(KBr,cm-1)3514,3028,2957,1597,1495,756,694。M.P.78-80℃。
Figure BDA0002043191390000406
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=250nm,tR(major)=18.2min,tR(minor)=21.7min,ee=91%。
实施例47
Figure BDA0002043191390000411
根据通用步骤G,为白色固体,63%产率,95%ee。
1H NMR(400MHz,丙酮-d6)δ8.78(brs,1H),8.51(d,J=8.7Hz,1H),8.39(s,1H),7.78(d,J=8.1Hz,1H),7.69(d,J=8.8Hz,1H),7.61(d,J=8.9Hz,1H),7.55(d,J=8.6Hz,1H),7.40(t,J=7.6Hz,1H),7.28–7.09(m,9H),6.16(s,1H),5.53(brs,1H),4.44(s,2H),1.03(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.71,152.65,145.92,140.49,136.59,134.98,130.89,130.36,130.08,129.69,129.40,129.36,128.33,127.91,127.29,126.66,125.91,125.13,123.91,123.49,120.51,120.49,119.34,119.08,115.19,48.81,36.47,29.93。HRMS(ESI)精确质量计算[M-H]-C33H29NOBr-,m/z:534.1438,实测值:534.1433。IR(KBr,cm-1)3418,3059,2955,1707,1614,1501,824,748。M.P.82-83℃。
Figure BDA0002043191390000412
HPLC条件:HPLC DAICEL CHIRALCEL IB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=16.7min,tR(minor)=21.2min,ee=95%。
通过单晶X射线衍射分析确定产物5k的绝对构型,并借此类推其他产物的绝对构型,X射线衍射晶体结构如图1所示,5k的X射线晶体学数据保存在剑桥晶体学数据中心(CCDC),保藏号为CCDC 1867697,可以从http://www.ccdc.cam.ac.uk/data_request/cif(剑桥晶体学数据中心)获得。
实施例48
Figure BDA0002043191390000413
根据通用步骤G,为白色固体,80%产率,90%ee。
1H NMR(400MHz,丙酮-d6)δ9.05(brs,1H),8.79(d,J=8.3Hz,1H),8.23(s,1H),7.85(d,J=7.9Hz,1H),7.70(d,J=8.5Hz,2H),7.66(d,J=8.8Hz,1H),7.53–7.21(m,14H),7.07(d,J=8.7Hz,1H),6.21(s,1H),5.48(brs,1H),4.56(s,2H),1.04(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.72,152.49,145.08,141.78,140.33,138.97,134.96,134.89,130.39,129.99,129.72,129.70,129.48,129.41,129.36,128.65,128.23,128.13,128.08,128.00,127.86,127.62,126.63,125.52,124.27,123.73,123.28,122.07,120.55,119.62,114.84,49.33,36.43,30.00。HRMS(ESI)精确质量计算[M+H]+C39H36NO+,m/z:534.2791,实测值:534.2784。IR(KBr,cm-1)3503,3360,3055,2957,2862,1618,1599,1510,1460,1215,752,696。M.P.96-98℃。
Figure BDA0002043191390000421
Figure BDA0002043191390000422
HPLC条件:HPLC DAICEL CHIRALCELIB,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(major)=6.9min,tR(minor)=12.8min,ee=90%。
实施例49
5a化合物转化为二酚化合物7a。
Figure BDA0002043191390000423
在双颈烧瓶中,将200mg 5a溶于5mL MeOH,在氮气保护下,加入5%Pd-C(相对于5a的用量为10wt%),然后在真空下除去氮气,并将反应液置于1atm的H2(氢气球)下。混合物在室温下搅拌2小时,直至通过TLC显示原料完全消耗。在真空下除去氢气,并用氮气充分冲洗反应混合物,通过硅藻土过滤除去悬浮的Pd/C,蒸发溶剂,得到固体产物5,不用进一步纯化。
向冷却的浓H2SO4(1mL)水(6mL)溶液中加入产物5(145mg,0.39mmol),在搅拌下将混合物在冰浴中冷却至0℃。向反应混合物中加入亚硝酸钠(81mg,1.17mmol)的水(2mL)溶液。在室温下搅拌2小时后,加入5mL蒸馏水,混合物回流1小时,冷却、过滤。用3×50mLCHCl3萃取,有机相用无水MgSO4干燥、过滤并蒸发溶剂,得到106mg产物7a,两步产率66%,92%ee。
1H NMR(400MHz,丙酮-d6)δ8.99(brs,2H),8.73(d,J=8.7Hz,1H),8.10(s,1H),7.80(d,J=8.0Hz,1H),7.76(d,J=8.9Hz,1H),7.74–7.72(m,1H),7.68(d,J=8.8Hz,1H),7.59(s,1H),7.34(t,J=7.3Hz,1H),7.27(d,J=8.8Hz,1H),7.21–7.18(m,2H),7.05(d,J=8.8Hz,1H),6.17(s,1H),1.04(s,9H)。13C NMR(101MHz,丙酮-d6)δ153.27,152.90,152.23,135.58,134.49,130.50,130.24,130.13,129.89,129.62,129.11,127.10,126.88,126.30,125.56,124.62,124.34,123.86,123.49,121.14,119.16,118.44,36.13,29.96。HRMS(ESI)精确质量计算[M-H]-C26H23O2 -,m/z:367.1704,实测值:367.1699。IR(KBr,cm-1)3464,3364,2961,1622,1516,1341,1269,1200,816,750。M.P.226-228℃。
Figure BDA0002043191390000424
HPLC条件:HPLC DAICEL CHIRALPAK ID,正己烷/异丙醇=95/5,0.5mL/min,λ=230nm,tR(minor)=10.0min,tR(major)=11.6min,ee=92%。
7a可以合成手性磷酸ECPA
Figure BDA0002043191390000431
在氩气保护下,向装有搅拌棒的圆底烧瓶中加入7a(92%ee,730mg,2.0mmol)和无水THF(20mmL),将所得溶液置于冰水浴中,然后分批加入NaH(60%,分散于矿物油,320mg,8.0mmol)。在0℃下搅拌1小时后,加入MOMCl(380μL,5.0mmol),将混合物温热至室温,再搅拌2小时,随后用饱和NH4Cl水溶液(5.0mL)淬灭反应,并用H2O(30mL)稀释,将得到的混合物用2×30mL EA萃取,将合并的有机相用H2O(30mL)和食盐水洗涤,用Na2SO4干燥并浓缩。通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到778mg 8a(85%收率,92%ee),为无色油状物。
1H NMR(400MHz,丙酮)δ8.81(d,J=8.8Hz,1H),8.64(d,J=8.0Hz,1H),7.78(d,J=8.2Hz,2H),7.72(t,J=9.3Hz,2H),7.56–7.51(m,2H),7.38–7.34(m,2H),7.25(d,J=9.0Hz,1H),7.21(d,J=9.0Hz,1H),5.91(s,1H),4.85(d,J=6.6Hz,1H),4.67(d,J=7.1Hz,1H),4.63(d,J=6.2Hz,1H),4.40(d,J=6.5Hz,1H),2.63(s,3H),2.50(s,3H),1.00(s,9H)。13CNMR(101MHz,丙酮)δ206.09,152.87,152.56,147.88,136.02,135.55,130.98,129.99,129.70,129.38,129.05,128.99,128.43,128.21,128.10,127.60,126.02,125.84,125.35,123.99,123.93,115.70,115.48,93.51,93.37,55.35,55.21,35.91,30.05。HRMS(ESI)精确质量计算[M+Na]+C30H32NaO4 +,m/z:479.2193,实测值:479.2191。IR(KBr,cm-1)3053,2955,2899,1593,1506,1248,1146,1040,1016,810,748。
Figure BDA0002043191390000432
HPLC条件:HPLC DAICEL CHIRALCEL OD3,正己烷/异丙醇=95/05,0.5mL/min,λ=254nm,tR(minor)=8.33min,tR(major)=9.08min,ee=92%。
在氩气保护下,向装有搅拌棒的干燥圆底烧瓶中,加入8a(685mg,1.5mmol)和无水Et2O 20mL,将所得溶液冷却至-78℃,然后滴加2.4M n-BuLi/戊烷(2.5mL,6.0mmol),搅拌0.5小时后,将反应物缓慢升温至室温,再搅拌2小时。将反应溶液冷却至-78℃,加入I2(1.52g,6.0mmol)的无水Et2O溶液,缓慢升温至室温后,将反应物再搅拌2小时。将得到的混合物用2.0M Na2S2O3水溶液(20mL)淬灭,并用30mL乙酸乙酯萃取,将合并的有机层用30mLH2O洗涤,用Na2SO4干燥并浓缩,通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到778mg 8b(90%收率,92%ee),为白色固体。
1H NMR(400MHz,CD2Cl2)δ8.68(d,J=8.7Hz,1H),8.59(d,J=8.5Hz,1H),8.39(d,J=10.1Hz,2H),7.72(d,J=8.1Hz,2H),7.57(ddd,J=8.0,7.1,1.0Hz,2H),7.50–7.45(m,2H),5.98(s,1H),4.83(d,J=4.3Hz,1H),4.53(s,1H),4.29(d,J=3.1Hz,1H),3.67(d,J=4.2Hz,1H),3.13(s,3H),2.87(s,3H),0.94(s,9H)。13C NMR(101MHz,CD2Cl2)δ151.51,150.95,150.44,140.37,140.34,136.71,135.93,135.04,133.80,133.07,132.77,130.05,128.57,127.27,126.96,126.80,126.55,126.30,126.04,124.70,99.70,99.65,91.70,91.64,58.11,57.91,36.40,29.49。HRMS(ESI)精确质量计算[M+H]+C30H30I2NaO4 +,m/z:731.0126,实测值:731.0113。IR(KBr,cm-1)3449,2955,1734,1163,932,752。M.P.74-77℃。
Figure BDA0002043191390000441
Figure BDA0002043191390000442
HPLC条件:HPLC DAICEL CHIRALPAK IG,正己烷/异丙醇=95/05,0.5mL/min,λ=254nm,tR(major)=9.49min,tR(minor)=17.23min,ee=92%。
在氩气保护下,向装有搅拌棒的25mL Schlenk管中加入8b(500mg,0.71mmol),Cs2CO3(1.63g,5.0mmol),3,5-双(三氟甲基)苯硼酸(1.29g,5.0mmol),Pd(PPh3)4(162mg,0.14mmol)和甲苯(20mL),将混合物用氩气鼓泡脱气10分钟,随后将Schlenk管密封,并在50℃下搅拌12小时。冷却至室温后,将得到的混合物用H2O(20mL)稀释,并用2×30mL乙酸乙酯萃取,将合并的有机层用H2O(20mL)和食盐水(20mL)洗涤,用Na2SO4干燥并浓缩,通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到530mg 8a(87%收率,92%ee),为淡黄色固体。
1H NMR(400MHz,丙酮)δ8.82(d,J=8.7Hz,1H),8.69(d,J=7.7Hz,1H),8.14(s,4H),8.06(s,1H),8.01(s,2H),7.97(d,J=12.2Hz,3H),7.68(dd,J=15.4,7.7Hz,3H),7.55(dt,J=7.7,3.9Hz,3H),6.14(s,1H),4.33-4.26(m,1H),3.96–3.91(m Hz,2H),3.02(brs,1H),2.52(s,3H),2.31(s,3H),1.06(s,9H)。13C NMR(101MHz,丙酮)δ151.19,151.08,150.90,142.68,142.65,136.31,135.42,133.42,133.26,133.09,132.75,131.84,131.69(q,2JCF=32.9Hz),131.70,131.59(q,2JCF=33.1Hz),131.20,129.31,128.99,128.48,127.42,127.14,126.47,126.16,124.58(q,1JCF=271.9Hz),124.55(q,1JCF=272.0Hz),121.47(penta,3JCF=3.8Hz),100.34,100.28,56.58,56.20,36.55,29.77。19F NMR(376MHz,丙酮)δ-63.21,-63.22。HRMS(ESI)精确质量计算[M+H]+C46H40O4F12 +,m/z:898.2760,实测值:898.2734。IR(KBr,cm-1)3447,2961,1377,1279,1175,1134,1009,756,685。M.P.84-86℃。
Figure BDA0002043191390000443
HPLC条件:HPLC DAICEL CHIRALPAK AZ3,正己烷/异丙醇=100/0,0.5mL/min,λ=230nm,tR(major)=9.46min,tR(minor)=10.31min,ee=92%。
向8c(440mg,0.50mmol)的DCM(10mL)溶液中加入三氟乙酸(5mL),将反应液在室温下搅拌,并通过TLC监测。反应完成后,将溶液真空浓缩,通过硅胶柱色谱法纯化残余物,用PE/EA洗脱,得到二酚(297mg,75%收率),为浅黄色泡沫状。
在装有搅拌棒的干燥Schlenk管中加入二酚(230mg,0.29mmol),Et3N(242μL,1.74mmol)和无水DCM(4.0mL)。将溶液在室温下搅拌10分钟,然后缓慢加入POCl3(108μL,1.16mmol),搅拌6小时后,加入Et3N(80.5μL,0.58mmol),H2O(2.0mL)和THF(2.0mL)。随后,混合物在室温下搅拌8小时,之后用H2O(20mL)稀释,用2M HCl酸化至pH 2~3,并用30mL DCM萃取,用2×20mL HCl洗涤有机层并浓缩,通过硅胶柱色谱法纯化残余物,用PE/EA洗脱。将获得的产物溶于30mL DCM中,用3×20mL 2M HCl洗涤并浓缩,得到产物(241mg,97%产率),为白色固体。
1H NMR(500MHz,丙酮)δ9.01(d,J=8.7Hz,1H),8.34(s,2H),8.25(s,1H),8.20–8.17(m,3H),8.13–8.11(m,3H),8.04(d,J=7.4Hz,1H),8.02(s,1H),7.92(t,J=7.7Hz,1H),7.69(t,J=7.5Hz,1H),7.50(p,J=6.5Hz,2H),6.45(s,1H),1.08(s,9H)。13C NMR(126MHz,丙酮)δ155.96,146.95,146.87,144.44,144.38,140.80,140.78,134.97,134.96,133.22,133.21,133.06,131.99(q,2JCF=33.3Hz),131.96(q,2JCF=33.2Hz),131.89,131.57,131.36,131.33,131.13,131.10,130.69,130.66,130.31,129.80,129.06,128.64,127.49,127.45,127.03,126.98,126.29,126.03,124.51(q,1JCF=272.1Hz),124.39(q,1JCF=272.2Hz),122.80,122.79,122.15(p,3JCF=3.6Hz),122.05(p,3JCF=3.9Hz),36.21,29.88。31P NMR(202MHz,丙酮)δ-11.23。19F NMR(376MHz,丙酮)δ-63.20,-63.26。HRMS(ESI)精确质量计算[M+H]+C42H28F12O4P+,m/z:855.1528,实测值:855.1542。IR(KBr,cm-1)3422,2967,1620,1377,1283,1180,1138,1016,694。M.P.168-170℃。
Figure BDA0002043191390000451
实施例50
ECPA手性磷酸的应用
为了证明ECPA手性磷酸在不对称催化中应用价值,首先尝试了吲哚和亚胺10a或11a之间的有机催化不对称Mannich反应,在ECPA的催化下,以优异的产率和较好的对映选择性顺利获得产物10b和11b。这一结果说明ENOBIN骨架衍生的手性磷酸具有很好的应用前景。而且基于相似的结构,5b~5l、3a~3z、3aa~3ag也可以衍生出相应的手性磷酸催化剂。
Figure BDA0002043191390000452
在氩气保护下,向装有搅拌棒的干燥Schlenk管中加入吲哚(23.4mg,0.20mmol),ECPA(0.85mg,0.001mmol)和PhCl(4.0mL),向溶液中加入10a(16.1mg,0.10mmol)。在室温下搅拌36小时后,将溶液经硅胶柱色谱纯化,用PE/EA洗脱,得到34.3mg 10b,为白色固体(91%收率,70%ee)。
通过与文献中报道的比旋光度
Figure BDA0002043191390000453
比较来确定10b的绝对构型。
1H NMR(400MHz,CDCl3)δ8.02(s,1H),7.52(d,J=8.2Hz,2H),7.25(t,J=7.7Hz,2H),7.23–7.16(m,5H),7.13(t,J=7.6Hz,1H),7.06(d,J=8.0Hz,2H),6.97(t,J=7.6Hz,1H),6.61(d,J=2.0Hz,1H),5.83(d,J=7.1Hz,1H),5.25–5.21(m,1H),2.34(s,3H)。13C NMR(101MHz,CDCl3)δ143.10,140.37,137.46,136.63,129.33,128.39,127.41,127.30,127.22,125.46,124.00,122.49,119.93,119.31,116.29,111.45,55.15,21.55。M.P.158-160℃。HPLC条件:HPLC DAICEL CHIRALPAK IB,正己烷/异丙醇=80/20,1.0mL/min,λ=214nm,tR(minor)=13.54min,tR(major)=20.4min,ee=70%。
Figure BDA0002043191390000461
用热风枪加热装有
Figure BDA0002043191390000462
(200mg)的Schlenk管10分钟,活化分子筛。待冷却后,在氩气保护下加入吲哚(23.4mg,0.20mmol),ECPA(4.3mg,0.005)和PhCF3(3.0mL),在-10℃下向溶液中加入11a(16.1mg,0.10mmol),在-10℃下搅拌72小时后,将溶液直接经硅胶柱色谱纯化,用PE/EA洗脱,得到25.5mg 11b,为黄色固体(95%收率,73%ee)。
通过与文献方法获得的S-11b的HPLC数据比较来确定11b的绝对构型。
1H NMR(400MHz,CDCl3)δ8.23(s,1H),7.49(d,J=8.0Hz,1H),7.41(d,J=7.5Hz,1H),7.37–7.31(m,3H),7.27–7.23(m,1H),7.18(t,J=7.6Hz,2H),7.06(t,J=7.5Hz,1H),6.69(d,J=2.5Hz,1H),6.34(s,1H),2.34(s,3H),2.02(s,3H)。13C NMR(101MHz,CDCl3)δ169.52,145.42,137.21,128.34,126.97,126.33,124.86,123.24,122.71,122.31,120.33,119.88,111.84,59.44,26.75,24.58。IR(KBr,cm-1)3433,3203,3183,1661,1489,748。M.P.202-205℃。
Figure BDA0002043191390000463
Figure BDA0002043191390000464
HPLC条件:HPLC DAICEL CHIRALPAK AD3,正己烷/异丙醇=90/10,1.0mL/min,λ=214nm,tR(minor)=18.66min,tR(major)=21.16min,ee=73%。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何属于本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求的保护范围为准。

Claims (6)

1.一种ENOBIN轴手性化合物,其特征在于,其具有如下通式:
Figure FDA0003298415120000011
Ar为
Figure FDA0003298415120000012
其中,R1选自氢、烷基、苯基、烷氧基、卤素、酯基、羟基;
R2选自氢、烷基、炔基、苯基、卤素、烷氧基;
R3选自烷基、苯基、卤代苯基;
R4选自氢、卤素、氰基、酯基;
n为0或1;
R9为烷氧基;
所述烷基为含有1~6个碳原子的烷基;
所述烷氧基指-O-(烷基),其中的烷基含有1~6个碳原子;
所述酯基指-C(O)O(烷基),其中的烷基含有1~6个碳原子;
所述炔基指叔丁基乙炔基。
2.根据权利要求1所述的ENOBIN轴手性化合物,其特征在于,R1选自氢、甲基、苯基、甲氧基、溴、酯基、羟基。
3.根据权利要求1所述的ENOBIN轴手性化合物,其特征在于,R2选自氢、甲基、叔丁基乙炔基、苯基、溴、甲氧基。
4.根据权利要求1所述的ENOBIN轴手性化合物,其特征在于,R3选自叔丁基、异丙基、乙基、苯基、氯代苯基、溴代苯基;R4选自氢、氯、氰基、酯基;R9为甲氧基。
5.一种权利要求1~4任意一项所述的ENOBIN轴手性化合物的合成方法,其特征在于,包括以下步骤:以手性磷酸为催化剂,式A化合物和式B化合物反应,得到ENOBIN轴手性化合物:
Figure FDA0003298415120000013
所述手性磷酸选自以下结构之一:
Figure FDA0003298415120000021
其中,R5选自苯基、1-萘基、9-蒽基、9-菲基、4-苯基-苯基、3,5-二三氟甲基-苯基、3,5-二叔丁基-苯基、2,4,6-三甲基苯基、2,4,6-三异丙基苯基;XH为OH或NHTf,R6选自2,4,6-三异丙基苯基、9-蒽基、9-菲基;R7选自9-蒽基、9-菲基;R8为9-菲基,X为氢或溴。
6.根据权利要求5所述的方法,其特征在于,所述手性磷酸的用量至少是1mol%;所述反应以二氯甲烷、四氯化碳、苯、甲苯、三氟甲苯中的一种或多种为溶剂;所述式A化合物和式B化合物的摩尔比为1~3:1;所述反应的温度为0℃以上。
CN201910348617.5A 2019-04-28 2019-04-28 一种enobin轴手性化合物及其合成方法 Active CN110054567B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910348617.5A CN110054567B (zh) 2019-04-28 2019-04-28 一种enobin轴手性化合物及其合成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910348617.5A CN110054567B (zh) 2019-04-28 2019-04-28 一种enobin轴手性化合物及其合成方法

Publications (2)

Publication Number Publication Date
CN110054567A CN110054567A (zh) 2019-07-26
CN110054567B true CN110054567B (zh) 2021-12-28

Family

ID=67321235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910348617.5A Active CN110054567B (zh) 2019-04-28 2019-04-28 一种enobin轴手性化合物及其合成方法

Country Status (1)

Country Link
CN (1) CN110054567B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114315536A (zh) * 2021-12-30 2022-04-12 青岛科技大学 一种轴手性二芳基乙烯类化合物的合成方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6043398A (en) * 1996-04-18 2000-03-28 Celanese International Corporation Chemical processes using aryl diphosphine containing catalysts
CN105330608A (zh) * 2015-10-27 2016-02-17 南方科技大学 脲唑类轴手性化合物及其催化不对称合成方法
CN107501163A (zh) * 2017-09-07 2017-12-22 南方科技大学 一种手性磷酸催化合成轴手性苯胺吲哚的方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6043398A (en) * 1996-04-18 2000-03-28 Celanese International Corporation Chemical processes using aryl diphosphine containing catalysts
CN105330608A (zh) * 2015-10-27 2016-02-17 南方科技大学 脲唑类轴手性化合物及其催化不对称合成方法
CN107501163A (zh) * 2017-09-07 2017-12-22 南方科技大学 一种手性磷酸催化合成轴手性苯胺吲哚的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Construction of Axially Chiral Compounds via Asymmetric Organocatalysis;Yong-Bin Wang and Bin Tan;《Acc. Chem. Res.》;20180208;第51卷;第534-547页 *

Also Published As

Publication number Publication date
CN110054567A (zh) 2019-07-26

Similar Documents

Publication Publication Date Title
CN110041174B (zh) 一种ebinol轴手性化合物及其合成方法和应用
JP4502293B2 (ja) 軸不斉を有する光学活性な4級アンモニウム塩、その製法およびα−アミノ酸誘導体の不斉合成への応用
CN106631702A (zh) 手性螺环二酚衍生物的催化不对称合成方法
CN110054567B (zh) 一种enobin轴手性化合物及其合成方法
Hu et al. Organocatalytic enantioselective sulfa-Michael addition of thiocarboxylic acids to β-trifluoromethyl-α, β-unsaturated ketones for the construction of stereogenic carbon center bearing a sulfur atom and a trifluoromethyl group
Liu et al. Stereodivergent asymmetric hydrogenation of quinoxalines
CN112979523B (zh) 一种手性1,4-二苯基-2-羟基-1,4-二丁酮类化合物的制备方法
Mohammadiannejad et al. Synthesis of new functionalized triarylmethanes via Suzuki cross-coupling and Heck-type vinylation reactions
CN111943874B (zh) 一种芳基萘普生衍生物高价碘化合物及其制备方法和应用
JP2801648B2 (ja) 6―フルオロ―4―クロマノン―2―カルボン酸アミド又はエステルの製造法
JP3869530B2 (ja) ビフェニル誘導体の製造法
CN115010564B (zh) 一种邻碘苯基化合物的制备方法
CN114380743B (zh) 含氮化合物引入三氟甲硫基的方法
CN111484420B (zh) 合成三芳基甲烷衍生物的方法及其所得三芳基甲烷衍生物
JP5089423B2 (ja) 光学活性ピペリジン誘導体の製造方法
CN111484419B (zh) 三芳基甲烷衍生物的合成方法
WO2001039884A2 (en) Chiral catalysts for asymmetric acylation and related transformations
JP2801647B2 (ja) 6―フルオロクロモン―2―カルボン酸誘導体の製造法
JP4639327B2 (ja) 光学活性アミノピリジル基含有ピロリジン誘導体及びそれを用いた不斉合成方法
CN113968802A (zh) 环烯烃的氯化三氟甲基化合物的合成方法
CN111943888A (zh) 1-芳基异喹啉化合物及其合成方法
JP2005015402A (ja) 光学活性3,5−ジヒドロ−4H−ジナフト[2,1−c:1’,2’−e]アゼピンおよびそのシュウ酸塩の製造方法
CN111777530A (zh) 一种催化三氟甲基酮不对称Henry反应的方法
JP2002512210A (ja) 2−ヒドロキシアルキルハロフェノンの製造方法
JPH06145086A (ja) ビナフトール誘導体およびその製造法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant