CN115043775B - 一种手性吡哆醛催化剂及其制备方法与应用 - Google Patents

一种手性吡哆醛催化剂及其制备方法与应用 Download PDF

Info

Publication number
CN115043775B
CN115043775B CN202210769220.5A CN202210769220A CN115043775B CN 115043775 B CN115043775 B CN 115043775B CN 202210769220 A CN202210769220 A CN 202210769220A CN 115043775 B CN115043775 B CN 115043775B
Authority
CN
China
Prior art keywords
compound
chiral
pyridoxal
mmol
catalyst
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
CN202210769220.5A
Other languages
English (en)
Other versions
CN115043775A (zh
Inventor
赵宝国
侯承康
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.)
Shanghai Normal University
Original Assignee
Shanghai Normal University
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 Shanghai Normal University filed Critical Shanghai Normal University
Priority to CN202210769220.5A priority Critical patent/CN115043775B/zh
Publication of CN115043775A publication Critical patent/CN115043775A/zh
Application granted granted Critical
Publication of CN115043775B publication Critical patent/CN115043775B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
    • C07D213/65One oxygen atom attached in position 3 or 5
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0235Nitrogen containing compounds
    • B01J31/0244Nitrogen containing compounds with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C213/00Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/36Radicals substituted by singly-bound nitrogen atoms
    • C07D213/38Radicals substituted by singly-bound nitrogen atoms having only hydrogen or hydrocarbon radicals attached to the substituent nitrogen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/38Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/52Radicals substituted by nitrogen atoms not forming part of a nitro radical
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/81Radicals substituted by nitrogen atoms not forming part of a nitro radical
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/50Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
    • C07D317/58Radicals substituted by nitrogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/14Radicals substituted by singly bound hetero atoms other than halogen
    • C07D333/20Radicals substituted by singly bound hetero atoms other than halogen by nitrogen atoms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/30Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
    • B01J2231/34Other additions, e.g. Monsanto-type carbonylations, addition to 1,2-C=X or 1,2-C-X triplebonds, additions to 1,4-C=C-C=X or 1,4-C=-C-X triple bonds with X, e.g. O, S, NH/N
    • B01J2231/3411,2-additions, e.g. aldol or Knoevenagel condensations
    • B01J2231/342Aldol type reactions, i.e. nucleophilic addition of C-H acidic compounds, their R3Si- or metal complex analogues, to aldehydes or ketones
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07Optical isomers
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00Systems containing at least three condensed rings
    • C07C2603/02Ortho- or ortho- and peri-condensed systems
    • C07C2603/40Ortho- or ortho- and peri-condensed systems containing four condensed rings
    • C07C2603/42Ortho- or ortho- and peri-condensed systems containing four condensed rings containing only six-membered rings
    • C07C2603/50Pyrenes; Hydrogenated pyrenes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

本发明涉及一种手性吡哆醛催化剂及其制备方法与应用,所述的催化剂的结构通式如下:其中,R1、R2、R3、R4相互独立的选自氢、C1‑24的烃基。与现有技术相比,本发明催化剂可用于仿生aldol反应,合成一系列手性的β‑氨基醇,为β‑氨基醇的不对称合成提供了新方法。

Description

一种手性吡哆醛催化剂及其制备方法与应用
技术领域
本发明涉及化工合成技术领域,具体涉及一种手性吡哆醛催化剂及其制备方法与应用。
背景技术
在生物体内,含有自由氨基的化合物可以直接参与反应,例如,酶催化的甘氨酸可以对亲电试剂(如醛)的直接加成生成β-羧基α-氨基酸,该反应条件温和,甘氨酸直接参与反应,不需要任何保护基。该反应中,酶的活性中心是维生素B6,在体内以磷酸的形式存在(PMP和PLP),是一种水溶性维生素,它的主要作用是作为辅酶因子参与多种酶催化的反应。化学家们发现,在没有酶的情况下,吡哆醛也可以诱导甘氨酸对醛的加成。Kuzuhara和Breslow课题组在手性吡哆醛参与的甘氨酸对醛的加成反应中,做出来了很多开创性的工作[H.Kuzuhara,N.Watanabe,M.Ando,J.Chem.Soc.,Chem.Commun.1987,95-96;M.Ando,H.Kuzuhara,Bull.Chem.Soc.Jpn.1990,63,1925-1928;J.T.Koh,L.Delaude,R.Breslow,J.Am.Chem.Soc.1994,116,11234-11240]。在金属离子的作用下,化学计量的手性吡哆醛参与甘氨酸对醛的加成,得到目标产物β-羟基-α-氨基酸。但是,该反应只能得到中等的对映选择性和较差的非对映选择性。随后,Richard发现,在水中,吡哆醛可以与甘氨酸缩合,生成相应的Mannich加成物[K.Toth,T.L.Amyes,J.P.Richard,J.P.G.Malthouse,M.E.NíBeilliú,J.Am.Chem.Soc.2004,126,10538-10539;K.Toth,L.M.Gaskell,J.P.Richard,J.Org.Chem.2006,71,7094-7096]。近年来赵宝国课题组合成发展了一类吡哆醛类的催化剂,成功的应用于甘氨酸叔丁酯类化合物的不对称Mannich反应,Michael反应,仿生不对称Aldol反应以及α-烯丙基化反应,并取得了相当好的效果[Chen,J.et al.Science 2018,360,1438-1442;Ma,J.et al,Angew.Chem.Int.Ed.2021,60,10588-10592;Cheng,A.etal.Angew.Chem.Int.Ed.2021,60,20166-20172;Ma,J.et al,Angew.Chem.Int.Ed.accepted]。但到目前为止该策略主要限于含有相邻吸电子基团的强活化伯胺,例如甘氨酸叔丁酯及其变体(2-吡啶基)甲胺。对于具有惰性α-CH键的伯胺,例如苄胺,尚未开发出有前景的平台。因此基于前人对手性吡哆醛的研究,发展一种新型高效的手性吡哆醛类化合物,并用于芳基甲胺对醛的仿生aldol反应,以用来合成β-氨基醇类化合物,有着重要的理论意义和很好的应用潜力。
发明内容
本发明的目的是提供一种手性吡哆醛催化剂及其制备方法与应用,用于芳基甲胺的仿生aldol反应,合成一系列具有极高对映选择性的β-氨基醇类化合物。
本发明的目的可以通过以下技术方案来实现:一种手性吡哆醛催化剂,所述的催化剂的结构通式如下:
其中,R1、R2、R3、R4相互独立的选自氢、C1-24的烃基,其中所述的烃基包括甲基、乙基、正丙基、异丙基、正丁基、叔丁基、环戊基、环己基、环庚基、苯基、苄基、2-联苯、3-联苯,4-联苯,2,6-二联苯,3,5-二联苯、1-萘基和2-萘基。
优选地,所述的催化剂为(R,S),(R,R),(S,S)或(S,R)构型的化合物,其结构分别如下:
一种上述手性吡哆醛催化剂的制备方法,以化合物5为起始原料,该化合物5用(R)-叔丁基亚磺酰胺进行拆分,得到两种构型的化合物6,单一构型的化合物6与格式试剂加成得到手性化合物7,化合物7在酸的作用下脱去叔丁磺基后,得到手性胺化合物8,手性胺化合物8与方酸甲酯缩合,生成化合物9,化合物9再与各种伯胺化合物缩合,随后在酸的作用下水解,得到最终的吡哆醛催化剂1;反应流程如下所示:
优选地,从化合物5制备化合物6(手性亚胺)的过程具体为:在有机溶剂中,化合物5与(R)-叔丁基亚磺酰胺在碱的作用下缩合,即可得到两种构型的化合物6;其中化合物5与(R)-叔丁基亚磺酰胺的摩尔比为1:1~1:20,反应温度:-20℃~50℃,反应时间:1~72h。
优选地,从单一构型化合物6制备化合物7的过程具体为:将化合物6、溶剂加到反应瓶中,再加入格式试剂,经过反应即可得到化合物7;其中化合物6与格式试剂的摩尔比为1:1~1:5,反应温度:-20℃~50℃,反应时间:1~48h。
优选地,从单一构型化合物7制备手性胺化合物8的过程具体为:在有机溶剂中,化合物7与酸作用脱去叔丁亚磺基,即可得到手性胺化合物8,其中化合物7与酸的摩尔比为1:1~1:10,反应温度:-20℃~120℃,反应时间:1~72h。
优选地,从手性胺8制备化合物9的过程具体为:在有机溶剂中,化合物8与方酸二甲酯缩合,即可得到化合物9;其中化合物8与方酸二甲酯的摩尔比为1:1~1:10,反应温度:-20℃~120℃,反应时间:1~72h。
优选地,从化合物9制备吡哆醛催化剂1的过程具体为:在有机溶剂中,化合物9和伯胺缩合得到酰胺类的中间体,随后经过酸的作用,即可得到吡哆醛催化剂1;其中化合物9与伯胺的摩尔比为1:1~1:50,反应温度:0℃~100℃,反应时间:1~48h。
优选地,本发明上述制备方法中,使用的溶剂包括水、苯、甲苯、二甲苯、三甲苯、乙腈、乙醚、四氢呋喃、乙二醇二甲醚、氯仿、二氯甲烷、甲醇、乙醇、异丙醇、叔丁醇、1,4-二氧六环、N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、二甲基亚砜、N-甲基吡咯烷酮;
使用的碱包括氢氧化钠、氢氧化钾、碳酸钠、碳酸钾、碳酸铯、碳酸氢钠、碳酸氢钾、氢化钠、氢化钾、氢化钙、氟化钾、三乙胺、二异丙胺、二异丙基乙基胺、四甲基乙二胺、N,N-二甲基苯胺、N,N-二乙基苯胺、1,4-二氮杂二环辛烷(DABCO)、二氮杂二环十二烷(DBU)、正丁基锂、1,4-二甲基哌嗪、1-甲基哌啶、1-甲基吡咯、喹啉或吡啶;
使用的酸包括硫酸、盐酸、盐酸的二氯甲烷溶液、盐酸的甲醇溶液、盐酸的四氢呋喃溶液、盐酸的二氧六环溶液、磷酸、氢溴酸、氢碘酸、醋酸、三氟乙酸、三氯乙酸、苯磺酸、对甲苯磺酸、甲磺酸或三氟甲磺酸;
一种上述手性吡哆醛催化剂的应用,将所述的吡哆醛催化剂1用于各种芳基甲胺与一系列芳基醛的不对称aldol反应。
优选地,将所述的吡哆醛催化剂1用于合成手性β-氨基醇,方法包括:芳基甲胺2、芳基醛3和吡哆醛催化剂1在碱的作用下,发生一个aldol反应,生成相应的手性β-氨基醇4,包含anti和syn两种不同构型;其中吡哆醛催化剂1催化芳基甲胺2与芳基醛3合成β-氨基醇4的通式如下所示:
进一步优选地,由化合物1制备手性β-氨基醇4合成步骤如下:向反应瓶中称取化合物1、芳基甲胺2、芳基醛3和碱,再向瓶中加入相应的溶剂,反应结束后即得到相应的手性氨基醇4。
上述的制备方法中,芳基甲胺2与芳基醛3的摩尔比例为0.5:1~5:1;化合物1与芳基醛3的摩尔比例为0.01:1~0.5:1。反应的温度为-20℃~100℃,反应时间为1~72小时。
其中:Ar1和Ar2为取代或未取代芳基;其中所述的取代是指被以下取代基取代:卤素、C1~C8的烃基、C3~C12的环烷基或芳基、C1~C8的羰基、C1~C8的磺酰基或磷酰基、C1~C8的烷氧基或胺基,羰基是指醛基、酮羰基、酯羰基、羧基或酰胺基。
上述的溶剂分别独立选自下述溶剂中的任意一种或几种:水、甲醇、乙醇、异丙醇、正丙醇、正丁醇、三氟乙醇、苯、甲苯、二甲苯、三甲苯、乙腈、乙醚、四氢呋喃、乙二醇二甲醚、氯仿、二氯甲烷、N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、二甲基亚砜、N-甲基吡咯烷酮等。
本发明涉及一类新型联芳结构手性吡哆醛催化剂、以及该类催化剂的合成方法和用途。该类催化剂可用于仿生aldol反应,合成了一系列手性的β-氨基醇,为β-氨基醇的不对称合成提供了新方法。该仿生aldol反应条件温和,易于操作,重复性好,并具有极高的dr值和ee值,以及较高的收率。
与现有技术相比,本发明具有以下优点:
1.吡哆醛是一类非常重要的、具有很好生物活性的化合物,在生物体系中,它是许多生物酶的辅酶,可以催化甘氨酸衍生物对亚胺进行加成,合成α-β-二氨基酸衍生物,本发明设计并合成了一类手性吡哆醛催化剂,可以用该小分子化合物来进行芳基甲胺与芳香醛的仿生aldol反应过程,实现手性β-氨基醇的快捷、有效合成;
2.本发明手性吡哆醛催化剂1可以由廉价易得的原料多步反应制得,反应条件温和,大多易于放大,可以较大规模制备;
3.本发明中吡哆醛催化剂1催化的仿生aldol反应是制备手性β-氨基醇类化合物的一种新方法,该方法模拟了生物体内β-羟基-α-氨基酸的生成过程:手性吡哆醛催化剂1与芳基甲胺2缩合形成醛亚胺,该醛亚胺的αC-H去质子化后得到一个活性的碳负离子中间体,然后对芳基醛3进行加成,经过水解,生成β-氨基醇类化合物4,并且重新生成手性吡哆醛催化剂1,完成该催化循环过程;
4.本发明中吡哆醛催化剂1催化该反应条件非常温和,反应稳定,容易操作,产物选择性,收率较好,是制备光学活性β-氨基醇类化合物的一种有效方法。
附图说明
图1为本发明手性吡哆醛催化剂及应用示意图。
具体实施方式
下面结合附图和具体实施例对本发明进行详细说明。以下实施例在以本发明技术方案为前提下进行实施,给出了详细的实施方式和具体的操作过程,但本发明的保护范围不限于下述的实施例。
本发明手性吡哆醛催化剂的结构式以及用其制备β-氨基醇的流程如图1所示。
本发明的制备方法可以进一步用代表性的化合物的制备过程体现如下:
实施例1:手性化合物(R,R)-6和(S,R)-6的合成
将化合物5(8.1g,19.8mmol),(R)-叔丁基亚磺酰胺(7.19g,59.4mmol)溶于无水二氯甲烷(80mL)中,再将碳酸铯(19.3g,0.0594mol)加入体系中,50℃下回流过夜,恢复体系至室温,抽滤,浓缩滤液,柱层析得到化合物(S,R)-6(浅黄色油状物,4.2g,产率41%)和化合物(R,R)-6(浅黄色油状物,4.3g,产率42%)。两种异构体的总收率为83%。
(S,R)-6:Light yellow oil;[α]D 25=-253.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ8.56(s,1H),8.29(s,1H),8.23(d,J=8.4Hz,1H),7.91(d,J=8.8Hz,1H),7.88(d,J=8.0Hz,1H),7.53(t,J=7.2Hz,1H),7.37(t,J=8.0Hz,1H),7.28(s,1H),5.32-5.30(m,3H),3.56(s,3H),3.39-3.32(m,1H),3.25-3.17(m,1H),3.15-3.08(m,1H),3.04-2.96(m,1H),1.96(s,3H),1.20(s,9H),0.89(t,J=6.8Hz,3H),0.51(t,J=7.2Hz,3H);13C NMR(100MHz,CDCl3)δ162.1,151.5,149.6,139.8,137.9,136.1,135.0,132.7,130.1,129.9,128.5,128.2,127.9,127.3,126.7,123.4,99.0,95.9,64.1,63.3,57.6,56.6,22.7,22.5,14.8,14.4;HRMS m/z Calcd.for C28H37N2O5S(M+H)+:513.2418;Found:513.2420.
(R,R)-6:Light yellow oil;[α]D 25=-117.0(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ8.56(s,1H),8.40(s,1H),8.15(d,J=8.4Hz,1H),7.93(d,J=8.4Hz,1H),7.89(d,J=8.4Hz,1H),7.55(t,J=7.2Hz,1H),7.38(t,J=8.0Hz,1H),7.30(d,J=8.4Hz,1H),5.31(dd,J=10.4,6.8Hz,2H),5.11(s,1H),3.58(s,3H),3.40-3.32(m,1H),3.21-3.08(m,2H),2.97-2.89(m,1H),1.95(s,3H),1.21(s,9H),0.79(t,J=6.8Hz,3H),0.72(t,J=6.8Hz,3H);13C NMR(100MHz,CDCl3)δ162.2,151.4,149.8,139.2,138.4,135.7,135.1,132.6,130.5,129.8,128.7,128.2,128.1,127.6,126.8,124.3,99.9,95.8,64.3,63.2,57.6,56.6,22.8,22.7,14.8,14.7;HRMS m/z Calcd.for C28H37N2O5S(M+H)+:513.2418;Found:513.2421.
实施例2:化合物(S,S,R)-7的合成
将手性化合物(S,R)-6(1.35g,2.63mmol)溶于无水二氯甲烷(13mL)中,在0℃下逐滴将苯基溴化镁格式试剂(13.2mL,1.0M,13.2mmol)加入体系中,缓慢恢复室温,室温下搅拌两小时,加入饱和氯化铵溶液(20mL)淬灭体系,使用DCM(20mL×3)萃取,合并有机相,干燥,抽滤,浓缩滤液,柱层析得到化合物(S,S,R)-7(浅黄色油状物,1.1g,产率70%)。
(S,S,R)-7:Light yellow oil;[α]D 25=-30.90(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ8.48(s,1H),8.19(d,J=8.4Hz,1H),8.02(d,J=8.4Hz,1H),7.87(d,J=8.4Hz,1H),7.43(t,J=7.2Hz,1H),7.35-7.27(m,2H),7.15(m,3H),7.09(d,J=8.4Hz,1H),6.85(m,2H),5.54(s,1H),5.33(s,2H),5.16(s,1H),3.64(s,3H),3.60-3.56(m,1H),3.37-3.31(m,1H),3.29-3.23(m,1H),3.07-2.99(m,1H),1.25(s,9H),1.01(t,J=6.8Hz,3H),0.92(s,3H),0.82(t,J=7.2Hz,3H);13C NMR(100MHz,CDCl3)δ152.9,149.9,140.4,139.5,137.3,135.9,133.5,132.7,132.5,131.0,128.9,128.5,128.4,128.09,128.05,126.4,126.1,125.9,124.4,100.9,96.6,64.1,63.6,61.2,56.6,56.3,22.9,21.4,15.1,15.0;HRMS m/zCalcd.for C34H42N2O5SNa(M+Na)+:613.2707;Found:613.2713.
实施例3:化合物(S,S)-8的合成
将化合物(S,S,R)-7(1.02g,1.73mmol)溶于无水甲醇(34mL)中,在0℃下将盐酸的1,4-二氧六环溶液(1.3mL,4.0M)加入体系中,0℃下反应2h。反应完成后将体系倒入饱和碳酸氢钠溶液(100mL)淬灭,旋干甲醇,使用DCM(30mL×3)萃取,合并有机相,干燥,抽滤,浓缩滤液,柱层析得到化合物(S,S)-8(浅黄色油状物,0.80g,产率95%)。
(S,S)-8:Light yellow oil.[α]D 25=74.5(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ8.55(s,1H),7.97(d,J=8.4Hz,1H),7.92(d,J=8.8Hz,1H),7.83(d,J=8.0Hz,1H),7.41(dd,J=8.0,6.8Hz,1H),7.30(t,J=7.6Hz,1H),7.21-7.13(m,4H),7.09(d,J=7.2Hz,2H),5.37(d,J=6.4Hz,1H),5.31(d,J=6.4Hz,1H),5.06(s,1H),5.02(s,1H),3.61(s,3H),3.58-3.51(m,1H),3.29-3.21(m,1H),3.21-3.08(m,2H),2.04(s,2H),1.54(s,3H),0.96(t,J=6.8Hz,3H),0.79(t,J=6.8Hz,3H);13C NMR(100MHz,CDCl3)δ152.5,149.8,144.1,141.0,138.5,135.8,132.5,132.4,131.9,131.8,128.6,128.4,128.1,127.4,127.0,126.2,125.8,125.7,124.6,100.9,96.0,64.7,64.0,56.5,56.4,22.3,15.1,14.7;HRMS m/z Calcd.for C30H35N2O4(M+H)+:487.2591;Found:487.2594.
实施例4:化合物(S,S)-9的合成
将化合物(S,S)-8(1.0g,2.06mmol),和方酸二甲酯(1.46g,10.3mmol)溶于无水甲醇中,50℃下反应过夜。浓缩体系,柱层析得到化合物(S,S)-9(无色油状物,0.75g,产率61%)。
(S,S)-9:Colorless oil;[α]D 25=4.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ8.54(s,1H),7.86-7.82(m,2H),7.56(s,1H),7.46(t,J=7.6Hz,1H),7.36-7.31(m,3H),7.29-7.28(m,2H),7.20(d,J=8.0Hz,1H),7.14(d,J=6.4Hz,2H),5.75(s,1H),5.43(s,1H),5.29(s,2H),4.10(s,3H),3.59(s,3H),3.45-3.29(m,3H),3.12-3.04(m,1H),1.86(s,3H),0.91(t,J=6.8Hz,3H),0.65-0.48(m,3H);13C NMR(100MHz,CDCl3)δ189.0,183.8,177.8,171.7,151.7,150.0,140.2,138.1,135.8,135.3,134.1,132.8,132.4,131.0,128.9,128.7,128.05,128.98,127.6,126.7,126.5,126.4,124.5,99.4,96.2,64.7,64.2,60.3,56.6,22.5,15.1,14.5;HRMS m/z Calcd.for C35H36N2O7Na(M+Na)+:619.2415;Found:619.2418.
实施例5:催化剂(S,S)-1a的合成
将化合物(S,S)-9(0.40g,0.671mmol)和叔丁胺(0.49g,6.71mmol)溶于无水甲醇中,50℃下反应8h,浓缩体系,柱层析得到酰胺中间体(无色油状物,0.384g,收率90%)。将酰胺中间体(0.384g,0.603mmol)溶于THF(5.0mL)中,加入盐酸(1.0M,5.0mL),50℃下反应5h,反应结束后旋干THF,加入碳酸氢钠溶液调节体系至中性,DCM(10mL×3)萃取,合并有机相,干燥,抽滤,浓缩滤液,柱层析得到催化剂(S,S)-1a(黄色固体,0.31g,收率99%)。
(S,S)-1a:Yellow solid;M.p.250-253℃;[α]D 25=22.8(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ11.18(s,1H),9.15(s,1H),8.51(s,1H),8.08(d,J=8.4Hz,2H),7.94(d,J=8.0Hz,1H),7.88(d,J=8.4Hz,1H),7.52(t,J=7.0Hz,2H),7.40(t,J=7.4Hz,1H),7.05(d,J=8.4Hz,1H),6.79(d,J=6.4Hz,2H),6.76-6.72(m,3H),5.99(d,J=8.0Hz,1H),1.26(s,9H),1.19(s,3H);13C NMR(100MHz,CDCl3)δ198.4,181.8,181.0,168.9,167.2,153.6,149.7,141.5,139.2,138.2,133.0,132.5,131.8,130.2,129.4,128.7,128.1,127.7,127.4,126.7,125.9,125.4,123.9,122.5,60.3,53.5,30.4,20.6;HRMS m/z Calcd.forC32H30N3O4(M+H)+:520.2231;Found:520.2236.
实施例6:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0162g,产率56%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为13:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为94%。
实施例7:手性吡哆醛类催化剂(S,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,R)-1a(0.0026g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,trace)。
实施例8:手性吡哆醛类催化剂(R,R)-1b催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1b(0.0025g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0153g,产率53%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为3.2:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93/60%。
实施例9:手性吡哆醛类催化剂(R,R)-1c催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1c(0.0025g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0139g,产率48%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
实施例10:手性吡哆醛类催化剂(R,R)-1d催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1d(0.0027g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0136g,产率47%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为9:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为90%。
实施例11:手性吡哆醛类催化剂(R,R)-1e催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1e(0.0027g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0147g,产率51%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为94%。
实施例12:手性吡哆醛类催化剂(R,R)-1f催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1f(0.0023g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0171g,产率59%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为5.2:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为90%。
实施例13:手性吡哆醛类催化剂(R)-1g催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R)-1g(0.0022g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0202g,产率70%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为2.4:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95/96%。
实施例14:手性吡哆醛类催化剂(R,S)-7a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,S)-7a(0.0021g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0228g,产率79%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为2.1:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95/96%。
实施例15:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水甲苯(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0156g,产率54%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为8:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为91%。
实施例16:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水叔丁基甲基醚(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0139g,产率48%)。4a的dr值是通过1HNMR分析其反应粗产物得到,其dr值为7:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为87%。
实施例17:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水甲苯(0.50mL),苄胺(0.0182g,0.17mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0142g,产率49%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为10:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
实施例18:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)和干燥的K2CO3(0.0138g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水甲苯(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0217g,产率75%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为94%。
实施例19:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)和干燥的K2CO3(0.0138g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.10mL),无水CCl4(0.50mL),苄胺(0.0182g,0.17mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应24小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0168g,产率58%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
实施例20:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)和干燥的K2CO3(0.0138g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.48mL),苄胺(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0205g,产率71%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为15:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
实施例21:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.0142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.48mL),苄胺(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0214g,产率74%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为17:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
White solid;M.p.121-122℃;[α]D 25=133.9(c=0.10,CHCl3);1H NMR(400
MHz,CDCl3)δ7.56(d,J=7.2Hz,2H),7.49(d,J=7.6Hz,2H),7.42(t,J=7.6Hz,2H),7.36-7.18(m,8H),4.72(d,J=6.0Hz,1H),4.04(d,J=6.0Hz,1H),2.37(brs,3H);13CNMR(100MHz,CDCl3)δ142.5,140.92,140.88,140.3,128.9,128.6,127.6,127.4,127.2,127.1,127.0,126.9,77.8,62.6.HRMS m/z Calcd.for C20H20NO(M+H)+:290.1539;Found:290.1540.
实施例22:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)和干燥的MgSO4(0.0120g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.48mL),苄胺(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0171g,产率59%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为16:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
实施例23:手性吡哆醛类催化剂(R,R)-1a催化合成β-氨基醇4a
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(R,R)-1a(0.0026g,0.005mmol)和干燥的MS(0.0180g)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.48mL),苄胺(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4a(白色固体,0.0185g,产率64%)。4a的dr值是通过1H NMR分析其反应粗产物得到,其dr值为20:1;4a的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
实施例24:手性吡哆醛类催化剂(S,S)-1a催化合成β-氨基醇4b
将芳香醛3b(0.0106g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),苄胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4b(白色固体,0.0136g,产率64%)。4b的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4b的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为97%。
White solid;M.p.142-143℃;[α]D 25=63.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.28-7.20(m,6H),7.19-7.14(m,4H),4.65(d,J=6.8Hz,1H),3.99(d,J=6.8Hz,1H),2.47(brs,3H);13C NMR(100MHz,CDCl3)δ142.4,141.8,128.5,128.2,127.54,127.50,127.2,126.6,78.2,62.6;HRMS m/z Calcd.for C14H16NO(M+H)+:214.1226;Found:214.1227.
实施例25:手性吡哆醛类催化剂(S,S)-1a催化合成β-氨基醇4c
将芳香醛3c(0.0124g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2c(0.0313g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4c(白色固体,0.0157g,产率63%)。4c的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4c的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
White solid;M.p.102-106℃;[α]D 25=65.8(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.12-7.05(m,4H),6.92(dd,J=15.6,7.6Hz,4H),4.57(d,J=7.2Hz,1H),3.93(d,J=7.2Hz,1H),2.41(brs,3H);13C NMR(100MHz,CDCl3)δ163.5,163.4,161.1,161.0,137.75,137.72,137.2,137.1,137.75,128.8,128.7,128.2,128.3,115.5,115.3,115.2,115.0,77.8,62.3.19F NMR(376MHz,CDCl3)δ-114.7,-114.9;HRMS m/z Calcd.for C14H14F2NO(M+H)+:250.1038;Found:250.1038.
实施例26:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4d
将芳香醛3d(0.0142g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2d(0.0354g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4d(白色固体,0.0227g,产率80%)。4d的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>14:1;4d的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.72-75℃;[α]D 25=116.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.23-7.16(m,4H),7.04(d,J=7.6Hz,4H),4.53(d,J=6.8Hz,1H),3.88(d,J=6.8Hz,1H),2.51(brs,3H).13C NMR(100MHz,CDCl3)δ140.5,139.9,133.40,133.36,128.7,128.5,128.4,128.0,77.7,62.2.HRMS m/z Calcd.for C14H14Cl2NO(M+H)+:282.0447;Found:282.0452.
实施例27:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4e
将芳香醛3e(0.0184g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2e(0.0463g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4e(白色固体,0.0269g,产率73%)。4e的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>11:1;4e的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.88-91℃;[α]D 25=113.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.36(t,J=6.4Hz,4H),7.00(d,J=7.6Hz,4H),4.52(d,J=6.8Hz,1H),3.87(d,J=6.8Hz,1H),2.41(brs,3H);13C NMR(100MHz,CDCl3)δ141.0,140.4,131.7,131.4,128.9,128.4,121.6,121.5,77.6,62.2;HRMS m/z Calcd.for C14H14Br2NO(M+H)+:369.9437;Found:369.9436.
实施例28:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4f
将芳香醛3f(0.0120g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.050mL),无水甲苯(0.25mL),芳基甲胺2f(0.0303g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4f(白色固体,0.0130g,产率54%)。4f的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4f的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为99%。
White solid;M.p.106-109℃;[α]D 25=62.0(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.09-7.03(m,8H),4.64(d,J=6.4Hz,1H),3.97(d,J=6.4Hz,1H),2.64(brs,3H),2.29(s,6H).13C NMR(100MHz,CDCl3)δ139.3,138.8,137.12,137.08,129.2,128.9,127.1,126.6,77.7,62.1,21.3,21.2;HRMS m/z Calcd.for C16H20NO(M+H)+:242.1539;Found:242.1541.
实施例29:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4g
将芳香醛3g(0.0136g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2g(0.0343g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4g(无色油状物,0.0188g,产率69%)。4g的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4f的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为98%。
Colorless oil;[α]D 25=42.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.21-7.14(m,2H),6.82-6.73(m,6H),4.64(d,J=6.0Hz,1H),3.97(d,J=6.0Hz,1H),3.73(s,6H),2.40(brs,3H);13C NMR(100MHz,CDCl3)δ159.7,159.5,143.9,143.5,129.5,129.2,119.4,119.0,113.3,113.0,112.8,111.9,77.8,62.5,55.32,55.30;HRMS m/z Calcd.forC16H20NO3(M+H)+:274.1438;Found:274.1439.
实施例30:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4h
将芳香醛3h(0.0124g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水CCl4(0.40mL),芳基甲胺2h(0.0313g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4h(白色固体,0.0187g,产率75%)。4g的dr值是通过1H NMR分析其反应粗产物得到,其dr值为8:1;4g的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为90%。
White solid;M.p.92-95℃;[α]D 25=48.6(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.24-7.16(m,2H),6.95-6.87(m,6H),4.59(d,J=6.4Hz,1H),3.94(d,J=6.4Hz,1H),2.42(brs,3H);13C NMR(100MHz,CDCl3)δ164.12,164.07,161.7,161.6,144.8,144.7,144.3,144.2,130.1,130.0,129.8,129.7,122.83,122.80,122.3,122.2,114.73,114.71,114.52,114.50,114.2,113.9,113.6,113.4,77.4,62.2;19F NMR(376MHz,CDCl3)δ-112.7,-113.1;HRMS m/z Calcd.for C14H14F2NO(M+H)+:250.1038;Found:250.1040.
实施例31:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4i
将芳香醛3i(0.0120g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2i(0.0303g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4i(白色固体,0.0101g,产率42%)。4i的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4i的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为97%。
White solid;M.p.84-87℃;[α]D 25=16.9(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.59(d,J=7.6Hz,1H),7.55(d,J=7.6Hz,1H),7.24-7.16(m,2H),7.11(t,J=7.6Hz,2H),6.97(d,J=7.6Hz,1H),6.94(d,J=7.6Hz,1H),4.90(d,J=6.8Hz,1H),4.24(d,J=6.8Hz,1H),2.31(brs,3H),1.84(s,6H);13C NMR(100MHz,CDCl3)δ140.7,140.0,135.8,135.5,130.5,130.2,127.4,127.3,126.9,126.5,126.4,126.0,73.5,56.9,19.3,19.1;HRMS m/z Calcd.for C16H20NO(M+H)+:242.1539;Found:242.1542.
实施例32:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4j
将芳香醛3j(0.0166g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2j(0.0418g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4j(白色固体,0.0213g,产率64%)。4j的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4j的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
White solid;M.p.80-82℃;[α]D 25=50.0(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ6.38(s,4H),6.32(s,2H),4.59(d,J=5.2Hz,1H),3.93(d,J=5.2Hz,1H),3.71(s,12H),2.79(brs,3H);13C NMR(100MHz,CDCl3)δ160.8,160.6,144.6,144.4,105.2,104.4,99.7,99.5,77.7,62.4,55.5,55.4;HRMS m/z Calcd.for C18H24NO5(M+H)+:334.1649;Found:334.1651.
实施例33:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4k
将芳香醛3k(0.0154g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2k(0.0388g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4k(白色固体,0.0198g,产率64%)。4k的dr值是通过1H NMR分析其反应粗产物得到,其dr值为16:1;4k的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为90%。
White solid;M.p.125-128℃;[α]D 25=100.6(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.25(s,1H),7.22(s,1H),7.11(d,J=8.4Hz,1H),7.09(d,J=8.8Hz,1H),6.95(d,J=7.2Hz,1H),6.92(d,J=8.4Hz,1H),4.57(d,J=4.4Hz,1H),3.91(d,J=4.4Hz,1H),2.33(s,6H),2.28(brs,3H);13C NMR(100MHz,CDCl3)δ141.6,141.0,135.34,135.32,134.5,134.4,131.0,130.7,127.6,127.0,125.4,124.9,77.0,61.6,19.89,19.86;HRMS m/zCalcd.for C16H18Cl2NO(M+H)+:310.0760;Found:310.0763.
实施例34:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4l
将芳香醛3l(0.0096g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2l(0.0242g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4l(白色固体,0.0178g,产率92%)。4l的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4l的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为99%。
White solid;M.p.75-78℃;[α]D 25=26.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.37-7.30(m,2H),6.31-6.24(m,2H),6.24-6.20(m,1H),6.12-6.07(m,1H),4.81(d,J=6.8Hz,1H),4.30(d,J=6.8Hz,1H),2.59(brs,3H);13C NMR(100MHz,CDCl3)δ154.8,153.9,142.3,141.8,110.4,110.3,107.8,106.4,69.6,53.5;HRMS m/zCalcd.for C10H12NO3(M+H)+:194.0812;Found:194.0810.
实施例35:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4m
将芳香醛3m(0.0112g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2l(0.0283g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4m(无色油状物,0.0162g,产率72%)。4m的dr值是通过1H NMR分析其反应粗产物得到,其dr值为11:1;4m的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
Colorless oil;[α]D 25=38.9(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.23-7.19(m,2H),6.93-6.89(m,2H),6.85-6.84(m,1H),6.81-6.79(m,1H),4.96(d,J=5.6Hz,1H),4.37(d,J=5.6Hz,1H),2.54(brs,3H);13C NMR(100MHz,CDCl3)δ145.8,145.2,126.8,126.7,124.89,124.88,124.8,124.6,74.7,58.6;HRMS m/z Calcd.for C10H12NOS2(M+H)+:226.0355;Found:226.0353.
实施例36:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4n
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.050mL),无水甲苯(0.25mL),芳基甲胺2f(0.0121g,0.10mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4n(白色固体,0.0185g,产率61%)。4n的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4n的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为97%。
White solid;M.p.156-157℃;[α]D 25=117.8(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.57(d,J=7.6Hz,2H),7.49(d,J=7.6Hz,2H),7.42(t,J=7.2Hz,2H),7.34(t,J=7.2Hz,1H),7.30-7.26(m,2H),7.12-7.08(m,4H),4.69(d,J=6.0Hz,1H),4.00(d,J=6.0Hz,1H),2.32(s,3H),1.86(brs,3H);13C NMR(100MHz,CDCl3)δ141.03,140.97,140.3,139.6,137.2,129.3,128.9,127.3,127.1,127.04,126.98,126.9,77.8,62.2,21.2;HRMSm/z Calcd.for C21H22NO(M+H)+:304.1696;Found:304.1697.
实施例37:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4o
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.050mL),无水甲苯(0.25mL),芳基甲胺2o(0.0148g,0.10mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4o(白色固体,0.0169g,产率51%)。4o的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4o的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为98%。
White solid;M.p.175-176℃;[α]D 25=145.8(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.58(d,J=7.6Hz,2H),7.50(d,J=7.6Hz,2H),7.44(t,J=7.2Hz,2H),7.35(t,J=7.2Hz,1H),7.29(d,J=7.2Hz,2H),7.19-7.13(m,4H),4.73(d,J=4.8Hz,1H),4.03(d,J=4.8Hz,1H),2.92-2.85(m,1H),2.48(brs,3H),1.24(d,J=6.8Hz,6H);13C NMR(100MHz,CDCl3)δ148.2,141.2,141.0,140.2,139.9,128.9,127.3,127.1,127.04,126.98,126.9,126.6,77.6,62.1,33.8,24.12,24.10;HRMS m/z Calcd.for C23H26NO(M+H)+:332.2009;Found:332.2010.
实施例38:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4p
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2c(0.0313g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4p(白色固体,0.0215g,产率70%)。4p的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4p的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为98%。
White solid;M.p.166-168℃;[α]D 25=145.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.57(d,J=7.6Hz,2H),7.49(d,J=7.6Hz,2H),7.43(t,J=7.2Hz,2H),7.34(t,J=7.2Hz,1H),7.23(d,J=7.6Hz,2H),7.19-7.16(m,2H),6.95(t,J=8.4Hz,2H),4.65(d,J=6.4Hz,1H),4.04(d,J=6.4Hz,1H),1.75(brs,3H);13C NMR(100MHz,CDCl3)δ163.4,161.0,140.84,140.77,140.5,138.29,138.26,128.9,128.8,128.7,127.4,127.1,127.04,127.00,115.4,115.2,78.1,61.9;19F NMR(376MHz,CDCl3)δ-115.1;HRMS m/z Calcd.forC20H19FNO(M+H)+:308.1445;Found:308.1444.
实施例39:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4q
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水CCl4(0.40mL),芳基甲胺2d(0.0355g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4q(白色固体,0.0242g,产率75%)。4q的dr值是通过1H NMR分析其反应粗产物得到,其dr值为13:1;4q的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.130-132℃;[α]D 25=153.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.57(d,J=7.6Hz,2H),7.49(d,J=7.6Hz,2H),7.43(t,J=7.2Hz,2H),7.35(t,J=6.8Hz,1H),7.24-7.22(m,4H),7.13(d,J=7.6Hz,2H),4.65(d,J=5.6Hz,1H),4.03(d,J=5.6Hz,1H),2.39(brs,3H);13C NMR(100MHz,CDCl3)δ140.83,140.76,140.6,140.5,133.2,128.9,128.6,127.4,127.1,127.04,126.97,78.0,62.0;HRMS m/z Calcd.for C20H19ClNO(M+H)+:324.1150;Found:324.1150.
实施例40:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4r
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水CCl4(0.40mL),芳基甲胺2e(0.0355g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4r(白色固体,0.0286g,产率78%)。4r的dr值是通过1H NMR分析其反应粗产物得到,其dr值为16:1;4r的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.126-127℃;[α]D 25=128.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.57(d,J=7.2Hz,2H),7.49(d,J=7.6Hz,2H),7.43(t,J=7.2Hz,2H),7.38(d,J=8.4Hz,2H),7.34(t,J=7.2Hz,1H),7.22(d,J=7.6Hz,2H),7.07(d,J=7.6Hz,2H),4.63(d,J=5.2Hz,1H),4.00(d,J=5.2Hz,1H),2.36(brs,3H);13C NMR(100MHz,CDCl3)δ141.5,140.8,140.6,131.6,129.0,128.9,127.4,127.1,127.04,126.99,121.3,77.9,62.0;HRMSm/z Calcd.for C20H19BrNO(M+H)+:368.0645;Found:368.0643.
实施例41:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4s
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水CCl4(0.40mL),芳基甲胺2s(0.0580g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4s(白色固体,0.0257g,产率62%)。4s的dr值是通过1H NMR分析其反应粗产物得到,其dr值为11:1;4s的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为92%。
White solid;M.p.125-128℃;[α]D 25=152.3(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.60-7.56(m,4H),7.50(d,J=7.6Hz,2H),7.43(t,J=7.2Hz,2H),7.34(t,J=6.8Hz,1H),7.26-7.24(m,2H),6.97(d,J=7.6Hz,2H),4.65(d,J=5.6Hz,1H),4.00(d,J=5.6Hz,1H),2.05(brs,3H);13C NMR(100MHz,CDCl3)δ142.2,140.8,140.5,137.5,129.2,128.9,127.4,127.1,127.03,127.01,92.9,77.8,62.1;HRMS m/z Calcd.for C20H19INO(M+H)+:416.0506;Found:416.0509.
实施例42:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4t
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.050mL),无水甲苯(0.25mL),芳基甲胺2t(0.0121g,0.10mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4t(白色固体,0.0188g,产率62%)。4t的dr值是通过1H NMR分析其反应粗产物得到,其dr值为10:1;4t的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
White solid;M.p.155-157℃;[α]D 25=204.5(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.57(d,J=7.2Hz,2H),7.50(d,J=7.6Hz,2H),7.42(t,J=7.2Hz,2H),7.33(t,J=7.2Hz,1H),7.30(d,J=8.0Hz,2H),7.17(t,J=7.2Hz,1H),7.07-7.01(m,3H),4.73(d,J=4.8Hz,1H),4.01(d,J=4.8Hz,1H),2.31(s,3H),2.20(brs,3H);13C NMR(100MHz,CDCl3)δ142.4,141.0,140.3,138.2,128.9,128.5,128.3,127.8,127.3,127.2,127.0,126.9,124.2,77.6,62.4,21.6;HRMS m/z Calcd.for C21H22NO(M+H)+:304.1696;Found:304.1697.
实施例43:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4u
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水CCl4(0.40mL),芳基甲胺2u(0.0355g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4u(白色固体,0.0207g,产率64%)。4u的dr值是通过1H NMR分析其反应粗产物得到,其dr值为13:1;4u的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.103-105℃;[α]D 25=140.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.57(d,J=7.2Hz,2H),7.50(d,J=7.6Hz,2H),7.43(t,J=7.2Hz,2H),7.34(t,J=6.8Hz,1H),7.28-7.24(m,3H),7.23-7.16(m,2H),7.06(d,J=7.2Hz,1H),4.67(d,J=6.0Hz,1H),4.02(d,J=6.0Hz,1H),1.76(brs,2H);13C NMR(100MHz,CDCl3)δ144.6,140.8,140.6,134.3,129.7,128.9,127.7,127.42,127.35,127.2,127.02,126.96,125.5,77.7,62.1;HRMS m/z Calcd.for C20H19ClNO(M+H)+:324.1150;Found:324.1151.
实施例44:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4v
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2v(0.0274g,0.20mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4v(白色固体,0.0221g,产率69%)。4v的dr值是通过1H NMR分析其反应粗产物得到,其dr值为14:1;4v的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
White solid;M.p.132-134℃;[α]D 25=113.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.56(d,J=7.6Hz,2H),7.49(d,J=7.6Hz,2H),7.42(t,J=7.2Hz,2H),7.33(t,J=7.2Hz,1H),7.31-7.27(m,2H),7.19(t,J=7.6Hz,1H),6.82(d,J=6.8Hz,1H),6.79-6.72(m,2H),6.74(s,1H),4.72(s,1H),4.02(s,1H),3.72(s,3H),2.47(brs,3H);13C NMR(100MHz,CDCl3)δ159.7,144.1,141.0,140.9,140.4,129.6,128.9,127.3,127.14,127.06,126.9,119.4,113.0,112.8,77.8,62.5,55.3;HRMS m/z Calcd.for C21H22NO2(M+H)+:320.1645;Found:320.1646.
实施例45:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4w
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.050mL),无水甲苯(0.25mL),芳基甲胺2v(0.0121g,0.10mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4w(白色固体,0.0170g,产率56%)。4w的dr值是通过1H NMR分析其反应粗产物得到,其dr值为9:1;4w的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
White solid;M.p.85℃;[α]D 25=108.0(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.56(d,J=7.6Hz,2H),7.52-7.46(m,3H),7.42(t,J=7.2Hz,2H),7.33(t,J=7.2Hz,1H),7.30-7.23(m,3H),7.15(t,J=6.8Hz,1H),7.03(d,J=7.2Hz,1H),4.72(d,J=5.6Hz,1H),4.25(d,J=5.6Hz,1H),2.00(s,3H),1.89(brs,3H);13C NMR(100MHz,CDCl3)δ141.1,141.01,140.96,140.2,135.7,130.5,128.9,127.3,127.2,127.1,126.81,126.79,126.4,125.9,76.9,57.6,19.4;HRMS m/z Calcd.for C21H22NO(M+H)+:304.1696;Found:304.1699.
实施例46:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4x
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2j(0.0334g,0.20mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4x(白色固体,0.0274g,产率82%)。4x的dr值是通过1H NMR分析其反应粗产物得到,其dr值为13:1;4x的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为91%。
White solid;M.p.125-128℃;[α]D 25=100.6(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.56(d,J=7.2Hz,2H),7.50(d,J=7.2Hz,2H),7.43(t,J=7.2Hz,2H),7.34(t,J=7.2Hz,1H),7.29(d,J=7.6Hz,2H),6.36(s,2H),6.33(s,1H),4.68(d,J=5.6Hz,1H),3.96(d,J=5.6Hz,1H),3.70(s,6H),2.39(brs 3H);13C NMR(100MHz,CDCl3)δ160.8,144.9,141.0,140.9,140.4,128.9,127.3,127.13,127.08,126.9,105.2,99.5,77.8,62.7,55.4;HRMS m/z Calcd.for C22H24NO3(M+H)+:350.1751;Found:350.1751.
实施例47:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4y
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2k(0.0388g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4y(白色固体,0.0202g,产率60%)。4y的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4y的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.163-165℃;[α]D 25=92.6(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.57(d,J=7.6Hz,2H),7.50(d,J=8.0Hz,2H),7.43(t,J=7.2Hz,2H),7.34(t,J=7.2Hz,1H),7.32-7.24(m,3H),7.11(d,J=7.6Hz,1H),6.98(d,J=7.6Hz,1H),4.68(d,J=5.2Hz,1H),4.00(d,J=5.2Hz,1H),2.33(s,3H),2.24(brs,3H);13C NMR(100MHz,CDCl3)δ141.9,140.9,140.7,140.5,135.2,134.4,131.0,128.9,127.7,127.4,127.2,127.03,126.99,125.5,77.7,61.7,19.9;HRMS m/z Calcd.for C21H21ClNO(M+H)+:338.1306;Found:338.1308.
实施例48:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4z
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水CCl4(0.40mL),芳基甲胺2z(0.0270g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4z(白色固体,0.0189g,产率65%)。4z的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4z的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.215-216℃;[α]D 25=64.3(c=0.10,CHCl3);1H NMR(400MHz,CD3OD)δ8.34(s,1H),8.25(s,1H),7.77(d,J=7.6Hz,1H),7.55(d,J=7.6Hz,2H),7.48(d,J=7.6Hz,2H),7.40(t,J=7.2Hz,2H),7.35-7.28(m,2H),7.22(d,J=7.2Hz,2H),4.72(d,J=7.6Hz,1H),4.16(d,J=7.6Hz,1H);13C NMR(100MHz,CD3OD)δ149.9,148.8,142.0,141.9,141.8,138.9,137.6,129.8,128.6,128.4,127.8,127.7,124.9,79.3,61.4;HRMS m/zCalcd.for C19H19N2O(M+H)+:291.1492;Found:291.1492.
实施例49:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4aa
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2l(0.0243g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4aa(白色固体,0.0209g,产率75%)。4aa的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4aa的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
White solid;M.p.131-133℃;[α]D 25=79.3(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.58(d,J=7.2Hz,2H),7.52(d,J=8.0Hz,2H),7.43(t,J=7.6Hz,2H),7.38-7.28(m,4H),6.28-6.23(m,1H),6.07-6.00(m,1H),4.87(d,J=6.8Hz,1H),4.01(d,J=6.8Hz,1H),2.41(brs,3H);13C NMR(100MHz,CDCl3)δ155.2,141.7,140.9,140.5,140.4,128.9,127.4,127.2,127.0,126.9,110.4,106.7,75.3,56.6;HRMS m/z Calcd.for C18H18NO2(M+H)+:280.1332;Found:280.1331.
实施例50:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4aa
将芳香醛3a(0.0182g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水CCl4(0.40mL),芳基甲胺2m(0.0243g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ab(白色固体,0.0189g,产率64%)。4ab的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4ab的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.139-141℃;[α]D 25=82.3(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.59(d,J=6.4Hz,2H),7.53(d,J=7.2Hz,2H),7.47-7.39(m,2H),7.39-7.28(m,3H),7.23-7.13(m,1H),6.95-6.85(m,1H),6.88-6.72(m,1H),4.76(d,J=4.8Hz,1H),4.35(d,J=4.8Hz,1H),1.97(brs,2H);13C NMR(100MHz,CDCl3)δ146.4,140.8,140.54,140.53,128.9,127.4,127.14,127.07,127.0,126.8,124.6,124.4,78.0,58.3;HRMS m/zCalcd.for C18H18NOS(M+H)+:296.1104;Found:296.1105.
实施例51:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ac
将芳香醛3f(0.0120g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.050mL),无水甲苯(0.25mL),芳基甲胺2a(0.0128g,0.12mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ac(白色固体,0.0143g,产率63%)。4ac的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4ac的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为98%。
White solid;M.p.120-121℃;[α]D 25=62.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.29-7.20(m,3H),7.17(d,J=7.2Hz,2H),7.10-7.03(m,4H),4.63(d,J=5.2Hz,1H),3.98(d,J=5.2Hz,1H),2.43(brs,3H),2.30(s,3H);13C NMR(100MHz,CDCl3)δ142.6,138.8,137.1,129.1,128.4,127.4,127.2,126.5,77.9,62.5,21.2;HRMS m/z Calcd.forC15H18NO(M+H)+:228.1383;Found:228.1383.
实施例52:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ad
将芳香醛3d(0.0140g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ad(白色固体,0.0203g,产率82%)。4ad的dr值是通过1H NMR分析其反应粗产物得到,其dr值为16:1;4ad的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
White solid;M.p.144-146℃;[α]D 25=97.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.29-7.21(m,3H),7.19(d,J=7.6Hz,2H),7.11(d,J=6.4Hz,2H),7.06(d,J=7.2Hz,2H),4.59(d,J=6.4Hz,1H),3.87(d,J=6.4Hz,1H),2.54(brs,3H);13C NMR(100MHz,CDCl3)δ142.2,140.3,133.2,128.6,128.3,128.1,127.7,127.1,77.6,62.8;HRMS m/zCalcd.for C14H15ClNO(M+H)+:248.0837;Found:248.0838.
实施例53:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ae
将芳香醛3e(0.0184g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ae(白色固体,0.0221g,产率76%)。4ae的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4ae的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为94%。
White solid;M.p.161-162℃;[α]D 25=18.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.34(d,J=7.6Hz,2H),7.30-7.22(m,3H),7.15-7.09(m,2H),7.01(d,J=7.6Hz,2H),4.59(d,J=4.8Hz,1H),3.87(d,J=4.8Hz,1H),2.36(brs,3H);13C NMR(100MHz,CDCl3)δ142.2,140.8,131.2,128.6,128.4,127.7,127.1,121.3,77.6,62.8;HRMS m/z Calcd.forC14H15BrNO(M+H)+:292.0332;Found:292.0330.
实施例54:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4af
将芳香醛3af(0.0232g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4af(白色固体,0.0254g,产率75%)。4af的dr值是通过1H NMR分析其反应粗产物得到,其dr值为13:1;4af的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为93%。
White solid;M.p.164-166℃;[α]D 25=84.0(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.54(d,J=7.6Hz,2H),7.28-7.21(m,3H),7.12(d,J=6.4Hz,2H),6.89(d,J=7.6Hz,2H),4.57(d,J=6.0Hz,1H),3.87(d,J=6.0Hz,1H),2.38(brs,3H);13C NMR(100MHz,CDCl3)δ142.1,141.5,137.2,128.7,128.6,127.7,127.1,93.1,77.6,62.7;HRMS m/zCalcd.for C14H15INO(M+H)+:340.0193;Found:340.0193.
实施例55:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ag
将芳香醛3ag(0.0136g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ag(白色固体,0.0192g,产率79%)。4ag的dr值是通过1H NMR分析其反应粗产物得到,其dr值为15:1;4ag的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
White solid;M.p.148-149℃;[α]D 25=94.8(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.28-7.22(m,3H),7.21-7.12(m,3H),6.76-6.73(m,3H),4.64(d,J=4.0Hz,1H),3.98(d,J=4.0Hz,1H),3.71(s,3H),2.42(brs,3H);13C NMR(100MHz,CDCl3)δ159.5,143.6,142.6,129.2,128.5,127.5,127.2,118.9,113.3,111.9,78.0,62.5,55.3;HRMS m/zCalcd.for C15H18NO2(M+H)+:244.1332;Found:244.1333.
实施例56:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ah
将芳香醛3ah(0.0198g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ah(白色固体,0.0235g,产率77%)。4ah的dr值是通过1H NMR分析其反应粗产物得到,其dr值为16:1;4ah的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为97%。
White solid;M.p.130-132℃;[α]D 25=54.6(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.33-7.18(m,6H),7.14(d,J=7.2Hz,2H),7.07(t,J=7.2Hz,1H),6.96(d,J=7.2Hz,1H),6.88-6.82(m,3H),6.81(s,1H),4.59(d,J=6.0Hz,1H),3.94(d,J=6.0Hz,1H),2.39(brs,3H);13C NMR(100MHz,CDCl3)δ157.3,156.8,143.9,142.3,129.8,129.6,128.6,127.6,127.1,123.1,121.6,118.6,118.3,117.5,78.0,62.8;HRMS m/z Calcd.forC20H20NO2(M+H)+:306.1489;Found:306.1490.
实施例57:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ai
将芳香醛3h(0.0124g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ai(白色固体,0.0152g,产率66%)。4ai的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4ai的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为92%。
White solid;M.p.182-183℃;[α]D 25=34.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.31-7.22(m,3H),7.18-7.15(m,3H),6.98-6.85(m,3H),4.64(d,J=6.8Hz,1H),3.93(d,J=6.8Hz,1H),2.32(brs,3H);13C NMR(100MHz,CDCl3)δ164.0,161.6,144.6,144.5,142.2,129.7,129.6,128.6,127.8,127.1,122.33,122.30,114.5,114.3,113.6,113.4,77.5,62.6;19F NMR(376MHz,CDCl3)δ-113.4.HRMS m/z Calcd.for C14H15FNO(M+H)+:232.1132;Found:232.1134.
实施例58:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4aj
将芳香醛3aj(0.0134g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.050mL),无水甲苯(0.25mL),芳基甲胺2a(0.0128g,0.12mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4aj(白色固体,0.0148g,产率61%)。4aj的dr值是通过1H NMR分析其反应粗产物得到,其dr值为16:1;4aj的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
White solid;M.p.96-98℃;[α]D 25=-5.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.32-7.20(m,5H),6.85(s,1H),6.83(s,2H),4.62(d,J=4.0Hz,1H),4.02(d,J=4.0Hz,1H),2.25(s,6H),2.20(brs,3H);13C NMR(100MHz,CDCl3)δ142.6,141.8,137.7,129.1,128.5,127.5,127.1,124.2,77.8,62.2,21.4;HRMS m/z Calcd.for C16H20NO(M+H)+:242.1539;Found:242.1539.
实施例59:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ak
将芳香醛3j(0.0166g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ak(白色固体,0.0205g,产率75%)。4ak的dr值是通过1H NMR分析其反应粗产物得到,其dr值为10:1;4ak的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
White solid;M.p.153-155℃;[α]D 25=35.6(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.31-7.25(m,3H),7.24-7.20(m,2H),6.34(s,2H),6.31(s,1H),4.60(d,J=4.8Hz,1H),3.98(d,J=4.8Hz,1H),3.69(s,6H),2.21(brs,3H);13C NMR(100MHz,CDCl3)δ160.6,144.5,142.6,128.5,127.6,127.1,104.3,99.7,78.0,62.4,55.4;HRMS m/z Calcd.forC16H20NO3(M+H)+:274.1438;Found:274.1439.
实施例60:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4al
将芳香醛3al(0.0150g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.050mL),无水甲苯(0.25mL),芳基甲胺2a(0.0128g,0.12mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-10℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4al(白色固体,0.0111g,产率43%)。4al的dr值是通过1H NMR分析其反应粗产物得到,其dr值为10:1;4al的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为91%。
White solid;M.p.85-88℃;[α]D 25=59.0(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.26-7.22(m,3H),7.17-7.15(m,2H),6.75(s,1H),6.64(d,J=8.0Hz,1H),6.56(d,J=8.0Hz,1H),5.91(s,2H),4.56(d,J=5.6Hz,1H),3.92(d,J=5.6Hz,1H),2.22(brs,3H);13C NMR(100MHz,CDCl3)δ147.6,146.9,142.4,135.7,128.6,127.6,127.1,120.2,107.9,107.0,101.0,78.0,62.8;HRMS m/z Calcd.for C15H16NO3(M+H)+:258.1125;Found:258.1124.
实施例61:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4am
将芳香醛3am(0.0212g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4am(白色固体,0.0233g,产率73%)。4am的dr值是通过1H NMR分析其反应粗产物得到,其dr值为11:1;4am的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为94%。
White solid;M.p.137-138℃;[α]D 25=40.9(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.31-7.25(m,3H),7.18(d,J=6.8Hz,2H),6.88(s,2H),4.55(d,J=4.8Hz,1H),3.94(d,J=4.4Hz,1H),2.33(s,6H),2.25(brs,3H);13C NMR(100MHz,CDCl3)δ142.4,140.3,138.0,128.6,127.6,127.1,126.4,126.3,77.5,62.3,24.0;HRMS m/z Calcd.forC16H19BrNO(M+H)+:320.0645;Found:320.0644.
实施例62:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4an
将芳香醛3an(0.0156g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4an(白色固体,0.0160g,产率61%)。4an的dr值是通过1H NMR分析其反应粗产物得到,其dr值为20:1;4an的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为95%。
White solid;M.p.130-132℃;[α]D 25=-17.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ8.03-8.01(m,1H),7.84-7.84(m,1H),7.76(d,J=8.0Hz,1H),7.64(d,J=6.8Hz,1H),7.48-7.43(m,3H),7.37(d,J=7.6Hz,2H),7.30-7.26(m,2H),7.247.21(m,1H),5.52(d,J=2.4Hz,1H),4.38(d,J=2.4Hz,1H),2.35(brs,3H);13C NMR(100MHz,CDCl3)δ142.5,137.8,133.9,130.5,129.1,128.7,128.2,127.7,126.9,126.1,125.6,125.4,124.1,123.1,74.0,60.0;HRMS m/z Calcd.for C18H18NO(M+H)+:264.1383;Found:264.1383.
实施例63:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ao
将芳香醛3ao(0.0156g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ao(白色固体,0.0166g,产率63%)。4ao的dr值是通过1H NMR分析其反应粗产物得到,其dr值为14:1;4ao的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为96%。
White solid;M.p.150-153℃;[α]D 25=86.6(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.80-7.75(m,1H),7.75-7.70(m,3H),7.68(s,1H),7.45-7.43(m,2H),7.33-7.16(m,5H),4.82(d,J=6.4Hz,1H),4.09(d,J=6.4Hz,1H),2.46(brs,3H);13C NMR(100MHz,CDCl3)δ142.4,139.4,133.2,133.0,128.5,128.1,127.8,127.7,127.6,127.2,126.1,125.8,125.5,124.7,78.1,62.4;HRMS m/z Calcd.for C18H18NO(M+H)+:264.1383;Found:264.1384.
实施例64:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ap
将芳香醛3ap(0.0230g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ap(棕色固体,0.0212g,产率63%)。4ap的dr值是通过1H NMR分析其反应粗产物得到,其dr值为10:1;4ap的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为88%。
Brown solid;M.p.136-138℃;[α]D 25=-24.6(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ8.18-8.15(m,5H),8.04-8.00(m,4H),7.31(d,J=6.4Hz,2H),7.23-7.18(m,3H),5.74(d,J=3.6Hz,1H),4.43(d,J=3.6Hz,1H),1.71(brs,3H);13C NMR(100MHz,CDCl3)δ142.7,135.7,131.5,130.8,130.7,128.6,127.9,127.6,127.5,127.3,126.9,126.0,125.3,125.1,125.0,124.9,124.4,122.5,74.8,61.4;HRMS m/z Calcd.for C24H20NO(M+H)+:338.1539;Found:338.1541.
实施例65:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4aq
将芳香醛3aq(0.0221g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.060mL),无水甲苯(0.30mL),芳基甲胺2a(0.0214g,0.20mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-15℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4aq(白色固体,0.0146g,产率64%)。4aq的dr值是通过1H NMR分析其反应粗产物得到,其dr值为11:1;4aq的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为89%。
White solid;M.p.172-173℃;[α]D 25=41.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ8.18(s,1H),7.39(d,J=8.0Hz,1H),7.27-7.20(m,3H),7.12(d,J=7.2Hz,2H),7.01(d,J=8.0Hz,1H),4.62(d,J=7.6Hz,1H),3.89(d,J=7.6Hz,1H),2.48(s,3H),2.17(brs,3H);13C NMR(100MHz,CDCl3)δ157.6,147.9,142.0,134.8,133.9,128.7,127.9,127.1,122.8,76.1,62.9,24.2;HRMS m/z Calcd.for C14H17N2O(M+H)+:229.1335;Found:229.1336.
实施例66:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4ar
将芳香醛3l(0.0096g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4ar(白色固体,0.0181g,产率89%)。4ar的dr值是通过1H NMR分析其反应粗产物得到,其dr值为>20:1;4ar的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为99%。
White solid;M.p.92-93℃;[α]D 25=13.5(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.35-7.33(m,1H),7.30-7.23(m,5H),6.27-6.23(m,1H),6.13-6.11(m,1H),4.65(d,J=6.4Hz,1H),4.29(d,J=6.4Hz,1H),2.48(brs,3H);13C NMR(100MHz,CDCl3)δ154.6,142.3,142.0,128.6,127.6,126.9,110.3,107.6,72.0,59.4;HRMS m/z Calcd.forC12H14NO2(M+H)+:204.1019;Found:204.1018.
实施例67:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4as
将芳香醛3m(0.0112g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4as(白色固体,0.0131g,产率60%)。4as的dr值是通过1H NMR分析其反应粗产物得到,其dr值为10:1;4as的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为89%。
White solid;M.p.72-74℃;[α]D 25=37.5(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.31-7.23(m,5H),7.18(d,J=4.8Hz,1H),6.85(t,J=3.6Hz,1H),6.68-6.66(m,1H),4.92(d,J=6.8Hz,1H),4.05(d,J=6.8Hz,1H),1.79(brs,2H);13C NMR(100MHz,CDCl3)δ145.8,142.3,128.6,127.7,127.2,126.6,124.54,124.52,74.5,62.8;HRMS m/zCalcd.for C12H14NOS(M+H)+:220.0791;Found:220.0790.
实施例68:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4at
将芳香醛3at(0.0146g,0.10mmoml),手性吡哆醛催化剂(S,S)-1a(0.0026g,0.005mmol)和干燥的Na2SO4(0.00142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2a(0.0268g,0.25mmol)和1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)(0.0304g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(2.0ml),羟胺水溶液(NH2OH,0.12mL,50wt.%水溶液)继续反应1h,恢复室温,旋去有机溶剂,用五氧化二磷真空除水,柱层析得到化合物4at(白色固体,0.0127g,产率50%)。4at的dr值是通过1H NMR分析其反应粗产物得到,其dr值为10:1;4at的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为94%。
White solid;M.p.169-170℃;[α]D 25=89.4(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.49(d,J=7.6Hz,1H),7.46(d,J=8.0Hz,1H),7.34(d,J=7.6Hz,2H),7.31(t,J=7.2Hz,2H),7.28-7.22(m,2H),7.19(t,J=7.6Hz,1H),6.57(s,1H),4.81(d,J=5.2Hz,1H),4.45(d,J=5.2Hz,1H),1.87(brs,3H);13C NMR(100MHz,CDCl3)δ157.5,155.0,142.1,128.8,128.2,127.8,126.9,124.2,122.9,121.1,111.3,104.5,72.2,58.7;HRMS m/zCalcd.for C16H16NO2(M+H)+:254.1176;Found:254.1176.
实施例69:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4au
将芳香醛3au(0.774g,3.0mmol),手性吡哆醛催化剂(S,S)-1a(0.0779g,0.15mmol)和干燥的Na2SO4(0.426g,3.0mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(2.4mL),无水甲苯(12mL),芳基甲胺2e(1.395g,7.5mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.745g,6.0mmol)加入封管中,-10℃下反应48小时。反应结束后加入THF(10.0ml),羟胺水溶液(NH2OH,6.0mL,50wt.%水溶液)继续反应2h,恢复室温,旋去有机溶剂,使用DCM(20mL×3)萃取,干燥,抽滤,浓缩滤液,柱层析得到化合物4au(白色固体,1.033g,产率78%)。4au的dr值是通过1H NMR分析其反应粗产物得到,其dr值为10:1;4au的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为94%。
White solid;M.p.92-95℃;[α]D 25=129.9(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.65(s,1H),7.56-7.48(m,4H),7.48-7.39(m,6H),7.36(t,J=6.8Hz,2H),7.30(s,2H),7.08(d,J=8.0Hz,2H),4.69(d,J=6.0Hz,1H),4.01(d,J=6.0Hz,1H),1.81(brs,2H);13C NMR(100MHz,CDCl3)δ142.4,141.7,141.3,141.0,131.7,129.2,128.9,127.6,127.4,125.6,124.3,121.6,78.3,62.4;HRMS m/z Calcd.for C26H23BrNO(M+H)+:444.0958;Found:444.0960.
实施例70:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4av
将芳香醛3av(0.0141g,0.10mmol),手性吡哆醛催化剂(S,S)-1a(2.6mg,0.0050mmol)和干燥的Na2SO4(0.0142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2d(0.035g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.025g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(1.0ml),羟胺水溶液(NH2OH,0.2mL,50wt.%水溶液)继续反应2h,恢复室温,旋去有机溶剂,柱层析得到化合物4av(白色固体,0.0194g,产率69%)。4av的dr值是通过1H NMR分析其反应粗产物得到,其dr值为7:1;4av的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为92%。
White solid;M.p.85-87℃;[α]D 25=77.9(c=0.1,CHCl3);1H NMR(400MHz,CDCl3)δ7.20-7.22(m,3H),7.20(d,J=7.6Hz,1H),7.15(t,J=7.6Hz,1H),7.10(d,J=8.0Hz,2H),6.94(d,J=7.2Hz,1H),4.55(d,J=6.0Hz,1H),3.94(d,J=6.0Hz,1H),1.74(brs,2H);13CNMR(100MHz,CDCl3)δ143.6,140.5,134.4,133.5,129.5,128.8,128.5,127.9,126.7,124.9,77.4,62.0;HRMS m/z Calcd.for C14H14Cl2NO(M+H)+:282.0447;Found:282.0448.
实施例71:手性吡哆醛类催化剂(S,S)-1a催化合β-氨基醇4aw
将芳香醛3g(0.0136g,0.10mmol),手性吡哆醛催化剂(S,S)-1a(2.6mg,0.0050mmol)和干燥的Na2SO4(0.0142g,0.10mmol)加入到10mL的干燥封管中,置换3次氮气,然后再依次将无水DCM(0.080mL),无水甲苯(0.40mL),芳基甲胺2aw(0.051g,0.25mmol)和1,5-二氮杂双环[4.3.0]-5-壬烯(DBN)(0.0248g,0.20mmol)加入封管中,-5℃下反应30小时。反应结束后加入THF(1.0ml),羟胺水溶液(NH2OH,0.2mL,50wt.%水溶液)继续反应2h,恢复室温,旋去有机溶剂,柱层析得到化合物4aw(白色固体,0.0206g,,产率60%)。4aw的dr值是通过1H NMR分析其反应粗产物得到,其dr值为12:1;4aw的ee值是通过HPLC分析其与1,1'-硫代羰基二咪唑反应后得到的恶唑烷-2-硫酮衍生物得到,其ee值为94%。
White solid;M.p.153-155℃;[α]D 25=131.1(c=0.10,CHCl3);1H NMR(400MHz,CDCl3)δ7.55-7.52(m,2H),7.45(s,1H),7.40(d,J=8.0Hz,1H),7.36-7.33(m,3H),7.22(t,J=7.6Hz,1H),7.17(t,J=7.6Hz,1H),7.10(d,J=8.0Hz,1H),6.78-6.74(m,3H),4.63(d,J=6.0Hz,1H),3.98(d,J=6.0Hz,1H),3.73(s,3H);13C NMR(100MHz,CDCl3)δ159.5,143.4,142.8,131.7,130.7,130.2,129.3,128.5,128.4,127.4,123.3,123.2,118.9,113.3,111.9,89.6,89.4,77.8,62.1,55.3;HRMS m/z Calcd.for C23H22NO2(M+H)+:344.1645;Found:344.1648.
上述的对实施例的描述是为便于该技术领域的普通技术人员能理解和使用发明。熟悉本领域技术的人员显然可以容易地对这些实施例做出各种修改,并把在此说明的一般原理应用到其他实施例中而不必经过创造性的劳动。因此,本发明不限于上述实施例,本领域技术人员根据本发明的揭示,不脱离本发明范畴所做出的改进和修改都应该在本发明的保护范围之内。

Claims (9)

1.一种手性吡哆醛催化剂,其特征在于,所述的催化剂的结构通式如下:
其中,R1选自甲基、乙基、正丙基、异丙基、正丁基、叔丁基、环己基;
R2选自氢、甲基、苯基、4-甲氧基苯基;
R3为甲基;
R4为氢。
2.一种如权利要求1所述的手性吡哆醛催化剂的制备方法,其特征在于,以化合物5为起始原料,该化合物5用(R)-叔丁基亚磺酰胺进行拆分,得到两种构型的化合物6,单一构型的化合物6与格式试剂加成得到手性化合物7,化合物7在酸的作用下脱去叔丁磺基后,得到手性胺化合物8,手性胺化合物8与方酸甲酯缩合,生成化合物9,化合物9再与伯胺化合物缩合,随后在酸的作用下水解,得到最终的吡哆醛催化剂;反应流程如下所示:
3.根据权利要求2所述的手性吡哆醛催化剂的制备方法,其特征在于,从化合物5制备化合物6的过程具体为:在有机溶剂中,化合物5与(R)-叔丁基亚磺酰胺在碱的作用下缩合,即可得到两种构型的化合物6;其中化合物5与(R)-叔丁基亚磺酰胺的摩尔比为1:1~1:20,反应温度:-20℃~ 50℃,反应时间:1~ 72h。
4.根据权利要求2所述的手性吡哆醛催化剂的制备方法,其特征在于,从单一构型化合物6制备化合物7的过程具体为:将化合物6、溶剂加到反应瓶中,再加入格式试剂,经过反应即可得到化合物7;其中化合物6与格式试剂的摩尔比为1:1~1:5,反应温度:-20℃~ 50℃,反应时间:1~48 h。
5.根据权利要求2所述的手性吡哆醛催化剂的制备方法,其特征在于,从化合物7制备手性胺化合物8的过程具体为:在有机溶剂中,化合物7在酸作用下脱去叔丁亚磺基,即可得到手性胺化合物8,其中化合物7与酸的摩尔比为1:1~1:10,反应温度:-20℃~120℃,反应时间:1~72 h。
6.根据权利要求2所述的手性吡哆醛催化剂的制备方法,其特征在于,从手性胺化合物8制备化合物9的过程具体为:在有机溶剂中,化合物8与方酸二甲酯缩合,即可得到化合物9;其中化合物8与方酸二甲酯的摩尔比为1:1~1:10,反应温度:-20℃~120℃,反应时间:1~72 h。
7.根据权利要求2所述的手性吡哆醛催化剂的制备方法,其特征在于,从化合物9制备吡哆醛催化剂的过程具体为:在有机溶剂中,化合物9和伯胺缩合得到酰胺类的中间体,随后在酸的作用下,即可得到吡哆醛催化剂;其中化合物9与伯胺的摩尔比为1:1~1:50,反应温度:0℃~100℃,反应时间:1~48h。
8.一种如权利要求1所述的手性吡哆醛催化剂的应用,其特征在于,将所述的吡哆醛催化剂用于芳基甲胺与芳基醛的不对称aldol反应。
9.根据权利要求8所述的手性吡哆醛催化剂的应用,其特征在于,将所述的吡哆醛催化剂用于合成手性β-氨基醇,方法包括:芳基甲胺2、芳基醛3和吡哆醛催化剂在碱的作用下,发生一个aldol反应,生成相应的手性β-氨基醇4,包含anti和syn两种不同构型;其中吡哆醛催化剂催化芳基甲胺2与芳基醛3合成β-氨基醇4的通式如下所示:
CN202210769220.5A 2022-06-30 2022-06-30 一种手性吡哆醛催化剂及其制备方法与应用 Active CN115043775B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210769220.5A CN115043775B (zh) 2022-06-30 2022-06-30 一种手性吡哆醛催化剂及其制备方法与应用

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210769220.5A CN115043775B (zh) 2022-06-30 2022-06-30 一种手性吡哆醛催化剂及其制备方法与应用

Publications (2)

Publication Number Publication Date
CN115043775A CN115043775A (zh) 2022-09-13
CN115043775B true CN115043775B (zh) 2023-10-27

Family

ID=83164440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210769220.5A Active CN115043775B (zh) 2022-06-30 2022-06-30 一种手性吡哆醛催化剂及其制备方法与应用

Country Status (1)

Country Link
CN (1) CN115043775B (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009172474A (ja) * 2008-01-22 2009-08-06 Univ Nagoya ディールス・アルダー反応触媒及び不斉環化付加生成物の製造方法
CN106111190A (zh) * 2016-06-20 2016-11-16 上海师范大学 一种手性联芳骨架吡哆胺类催化剂及其合成方法与应用
CN108947894A (zh) * 2018-06-28 2018-12-07 上海师范大学 新型联芳结构手性n-甲基吡哆醛催化剂及其合成和应用
CN111269132A (zh) * 2020-01-21 2020-06-12 上海师范大学 一种制备手性β-三氟甲基-β-羟基-α-氨基酸及其衍生物的方法
CN114409592A (zh) * 2022-01-30 2022-04-29 上海师范大学 一种c3位带有侧链的联芳结构手性吡哆醛催化剂及其制备方法与应用

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105503490B (zh) * 2014-09-26 2020-07-03 上海交通大学 手性γ-仲胺基醇的制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009172474A (ja) * 2008-01-22 2009-08-06 Univ Nagoya ディールス・アルダー反応触媒及び不斉環化付加生成物の製造方法
CN106111190A (zh) * 2016-06-20 2016-11-16 上海师范大学 一种手性联芳骨架吡哆胺类催化剂及其合成方法与应用
CN108947894A (zh) * 2018-06-28 2018-12-07 上海师范大学 新型联芳结构手性n-甲基吡哆醛催化剂及其合成和应用
CN111269132A (zh) * 2020-01-21 2020-06-12 上海师范大学 一种制备手性β-三氟甲基-β-羟基-α-氨基酸及其衍生物的方法
CN114409592A (zh) * 2022-01-30 2022-04-29 上海师范大学 一种c3位带有侧链的联芳结构手性吡哆醛催化剂及其制备方法与应用

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Carbonyl catalysis enables a biomimetic asymmetric Mannich reaction;Jianfeng Chen等;《Science》;第1438-1442页 *
Catalytic asymmetric α C(sp3)-H addition of benzylamines to aldehydes;Chengkang Hou等;《Nature Catalysis》;第1061-1068页 *
Enzyme-Inspired Axially Chiral Pyridoxamines Armed with a Cooperative Lateral Amine Chain for Enantioselective Biomimetic Transamination;Yong Ethan Liu等;《J. Am. Chem. Soc.》;第10730-70733页 *
仿生不对称转氨化合成手性α,ω -二氨基酸;陈剑锋等;《合成化学》;第27卷(第9期);第680-688页 *
手性联芳吡哆胺催化剂的发展及其仿生催化α-酮酸不对称转氨化的研究;侯承康;《中国优秀硕士学位论文全文数据库 工程科技I辑》;第B014-16页 *

Also Published As

Publication number Publication date
CN115043775A (zh) 2022-09-13

Similar Documents

Publication Publication Date Title
Yang et al. Squaramide-catalysed enantio-and diastereoselective sulfa-Michael addition of thioacetic acid to α, β-disubstituted nitroalkenes
CN108947894B (zh) 联芳结构手性n-甲基吡哆醛催化剂及其合成和应用
CN107698590B (zh) 一种不对称[3+2]环化反应合成手性五元碳环嘌呤核苷的方法
Lin et al. Organocatalytic enantioselective direct vinylogous Michael addition of γ-substituted deconjugate butenolides to azadienes
CN109651313B (zh) 一种手性2,3-二氢苯并呋喃衍生物及其制备方法
Li et al. An efficient enantioselective synthesis of florfenicol via a vanadium-catalyzed asymmetric epoxidation
JP2017504562A (ja) フラン−2,5−ジメタノールおよび(テトラヒドロフラン−2,5−ジイル)ジメタノールのスルホネートとその誘導体
Hof et al. Preparation of Tröger Base Derivatives by Cross‐Coupling Methodologies
CN115043775B (zh) 一种手性吡哆醛催化剂及其制备方法与应用
CN113979975B (zh) 一种手性磷酸催化的芳基烯丙基叔醇动力学拆分方法
KR101430116B1 (ko) 스트레커 반응용 촉매를 사용하는 키랄성 α-아미노나이트릴의 제조방법
EP0827496A1 (en) Catalic enantioselective synthesis of a spiro-fused azetidinone
CN108558882B (zh) 一种基于联烯酸酯的[3+2]环加成合成手性五元碳环嘌呤核苷的方法
CN114409592B (zh) 一种c3位带有侧链的联芳结构手性吡哆醛催化剂及其制备方法与应用
Xu et al. Efficient synthesis and resolution of meta-substituted inherently chiral aminocalix [4] arene derivatives
CN102010355B (zh) (1r,2r)-1-对甲砜基苯基-2-氨基-1,3-丙二醇的合成方法
CN109651404B (zh) 一种氮杂环丙烷衍生物及其制备方法和应用
CN109748883B (zh) 手性β-氨基衍生物的制备方法
Hayakawa et al. CO 2-induced amidobromination of olefins with bromamine-T
Mi et al. A Facile and Practical Synthesis of (-)-tasimelteon
CN114853667B (zh) 一种手性吡哆醛催化剂及其制备方法与应用
CN114768866B (zh) 一种手性氘代Maruoka相转移催化剂及其制备方法和在不对称催化反应中的应用
CN115947755B (zh) 一种双芳基苯胺类轴手性衍生物的合成方法
CN111635359B (zh) 一种通过氟烷基亚磺酰基制备芳香族烯基化合物的方法
CN109956960B (zh) 一种异硫脲类催化剂的合成方法

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