CN113372238A - 一种亚胺类化合物及其合成方法和用途 - Google Patents
一种亚胺类化合物及其合成方法和用途 Download PDFInfo
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- CN113372238A CN113372238A CN202110736123.1A CN202110736123A CN113372238A CN 113372238 A CN113372238 A CN 113372238A CN 202110736123 A CN202110736123 A CN 202110736123A CN 113372238 A CN113372238 A CN 113372238A
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 100
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 52
- -1 C3-C20 cycloalkyl Chemical group 0.000 claims description 50
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 47
- 229910001220 stainless steel Inorganic materials 0.000 claims description 25
- 239000010935 stainless steel Substances 0.000 claims description 25
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- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 9
- 125000003358 C2-C20 alkenyl group Chemical group 0.000 claims description 9
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- 125000000623 heterocyclic group Chemical group 0.000 claims description 9
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- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 125000006736 (C6-C20) aryl group Chemical group 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
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- MRNPLGLZBUDMRE-KBPBESRZSA-N 2-[(1s,2s)-1,2-diamino-2-(2-hydroxyphenyl)ethyl]phenol Chemical compound C1([C@H](N)[C@@H](N)C=2C(=CC=CC=2)O)=CC=CC=C1O MRNPLGLZBUDMRE-KBPBESRZSA-N 0.000 claims description 4
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 4
- MRNPLGLZBUDMRE-OKILXGFUSA-N 2-[(1r,2s)-1,2-diamino-2-(2-hydroxyphenyl)ethyl]phenol Chemical compound C1([C@H](N)[C@H](N)C=2C(=CC=CC=2)O)=CC=CC=C1O MRNPLGLZBUDMRE-OKILXGFUSA-N 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
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- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 125000001072 heteroaryl group Chemical group 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 3
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- 125000001424 substituent group Chemical group 0.000 claims description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 claims 1
- 125000004185 ester group Chemical group 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 41
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- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
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- FEIOASZZURHTHB-UHFFFAOYSA-N methyl 4-formylbenzoate Chemical compound COC(=O)C1=CC=C(C=O)C=C1 FEIOASZZURHTHB-UHFFFAOYSA-N 0.000 description 2
- BTFQKIATRPGRBS-UHFFFAOYSA-N o-tolualdehyde Chemical compound CC1=CC=CC=C1C=O BTFQKIATRPGRBS-UHFFFAOYSA-N 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
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- 150000003839 salts Chemical class 0.000 description 2
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- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
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- SQAINHDHICKHLX-UHFFFAOYSA-N 1-naphthaldehyde Chemical compound C1=CC=C2C(C=O)=CC=CC2=C1 SQAINHDHICKHLX-UHFFFAOYSA-N 0.000 description 1
- JESXATFQYMPTNL-UHFFFAOYSA-N 2-ethenylphenol Chemical group OC1=CC=CC=C1C=C JESXATFQYMPTNL-UHFFFAOYSA-N 0.000 description 1
- 239000001431 2-methylbenzaldehyde Substances 0.000 description 1
- PJKVFARRVXDXAD-UHFFFAOYSA-N 2-naphthaldehyde Chemical compound C1=CC=CC2=CC(C=O)=CC=C21 PJKVFARRVXDXAD-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- SYCFYQFCFHKYPI-UHFFFAOYSA-N 4-(2-phenylethynyl)benzaldehyde Chemical compound C1=CC(C=O)=CC=C1C#CC1=CC=CC=C1 SYCFYQFCFHKYPI-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- AVPYQKSLYISFPO-UHFFFAOYSA-N 4-chlorobenzaldehyde Chemical compound ClC1=CC=C(C=O)C=C1 AVPYQKSLYISFPO-UHFFFAOYSA-N 0.000 description 1
- WZWIQYMTQZCSKI-UHFFFAOYSA-N 4-cyanobenzaldehyde Chemical compound O=CC1=CC=C(C#N)C=C1 WZWIQYMTQZCSKI-UHFFFAOYSA-N 0.000 description 1
- BXRFQSNOROATLV-UHFFFAOYSA-N 4-nitrobenzaldehyde Chemical compound [O-][N+](=O)C1=CC=C(C=O)C=C1 BXRFQSNOROATLV-UHFFFAOYSA-N 0.000 description 1
- ISDBWOPVZKNQDW-UHFFFAOYSA-N 4-phenylbenzaldehyde Chemical compound C1=CC(C=O)=CC=C1C1=CC=CC=C1 ISDBWOPVZKNQDW-UHFFFAOYSA-N 0.000 description 1
- 238000010485 C−C bond formation reaction Methods 0.000 description 1
- XXRCUYVCPSWGCC-UHFFFAOYSA-N Ethyl pyruvate Chemical compound CCOC(=O)C(C)=O XXRCUYVCPSWGCC-UHFFFAOYSA-N 0.000 description 1
- 238000006845 Michael addition reaction Methods 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
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- CNUDBTRUORMMPA-UHFFFAOYSA-N formylthiophene Chemical compound O=CC1=CC=CS1 CNUDBTRUORMMPA-UHFFFAOYSA-N 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
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- PGZUMBJQJWIWGJ-ONAKXNSWSA-N oseltamivir phosphate Chemical compound OP(O)(O)=O.CCOC(=O)C1=C[C@@H](OC(CC)CC)[C@H](NC(C)=O)[C@@H](N)C1 PGZUMBJQJWIWGJ-ONAKXNSWSA-N 0.000 description 1
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- DWAFYCQODLXJNR-BNTLRKBRSA-L oxaliplatin Chemical compound O1C(=O)C(=O)O[Pt]11N[C@@H]2CCCC[C@H]2N1 DWAFYCQODLXJNR-BNTLRKBRSA-L 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- ZRSNZINYAWTAHE-UHFFFAOYSA-N p-methoxybenzaldehyde Chemical compound COC1=CC=C(C=O)C=C1 ZRSNZINYAWTAHE-UHFFFAOYSA-N 0.000 description 1
- FXLOVSHXALFLKQ-UHFFFAOYSA-N p-tolualdehyde Chemical compound CC1=CC=C(C=O)C=C1 FXLOVSHXALFLKQ-UHFFFAOYSA-N 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
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- 238000006722 reduction reaction Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- PNGLEYLFMHGIQO-UHFFFAOYSA-M sodium;3-(n-ethyl-3-methoxyanilino)-2-hydroxypropane-1-sulfonate;dihydrate Chemical compound O.O.[Na+].[O-]S(=O)(=O)CC(O)CN(CC)C1=CC=CC(OC)=C1 PNGLEYLFMHGIQO-UHFFFAOYSA-M 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/02—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups
- C07C251/24—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
- C07C209/52—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of imines or imino-ethers
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
- C07C211/26—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring
- C07C211/27—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring having amino groups linked to the six-membered aromatic ring by saturated carbon chains
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
- C07C211/26—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring
- C07C211/29—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
- C07C211/26—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring
- C07C211/30—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring the six-membered aromatic ring being part of a condensed ring system formed by two rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/44—Compounds 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 only one six-membered aromatic ring
- C07C211/45—Monoamines
- C07C211/48—N-alkylated amines
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/46—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C215/48—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by hydroxy groups
- C07C215/50—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by hydroxy groups with amino groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/54—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C217/56—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms
- C07C217/58—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms with amino groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/18—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
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Abstract
本发明提供一种亚胺类化合物及其制备方法和用途,所述亚胺类化合物如式(Ⅲ)所示,所述亚胺类化合物为药物中药中间体。本发明中方法采用研磨方式实现,无需使用热源供热,也无需使用溶剂,研磨方法节约时间成本,后处理简单,易于工业投产。
Description
技术领域
本发明涉及有机中间体合成技术领域,特别是涉及一种亚胺类化合物及其合成方法和用途。
背景技术
手性二胺化合物是构建立体选择性催化剂的重要组成部分,包括有助于氧化、还原、水解和碳碳键形成反应的有机催化剂,手性二胺也是药物合成中的关键组成部分,包括抗病毒药,例如达菲和雷仑萨,以及抗癌药,例如奥沙利铂和nutlin-3。而diaza-Cope重排反应是得到多种手性二胺最通用的方法之一(J.Am.Chem.Soc.,2008,130,12184)。此重排反应可以在多种驱动力的主导下完成,如氢键作用、电子效应、位阻效应、共轭效应等。而diaza-Cope重排反应得到的亚胺化合物经加酸水解、中和后即可高效率地得到手性二胺类化合物。
制备手性二胺类化合物的传统方法主要有:不对称的Strecker反应(Chem.Rev.,2011,111,6947)、吖丙啶不对称开环(CN 105753752)、不对称迈克加成反应(CN105367427)等。但以此为代表的传统方法存在诸多缺点,尤其是涉及到大量溶剂的使用、原子利用率不够高、反应过程相对复杂,后两种方法还需要昂贵的金属及有机催化剂,这极大地限制了其应用。而且反应中会产生剧毒物质叠氮化物或氰基化合物、后处理相对复杂等。
因此,如何开发效率更高、符合绿色化学理念的合成方法,对于提高手性二胺类化合物的应用具有重要意义。
发明内容
鉴于以上所述现有技术的缺点,本发明的目的在于提供一种新的亚胺类化合物及其合成方法和用途,用于解决现有技术中的问题,其高效、高立体选择性,同时避免了大量使用溶剂、反应温度较高、废弃物与后处理复杂等问题。
为实现上述目的及其他相关目的,本发明是通过以下技术方案获得的。
本发明首先公开了一种亚胺类化合物,所述亚胺类化合物如式(Ⅲ)所示,
其中,所述R1为氢原子、C1~C20烷基、C3~C20环烷基、C2~C20烯烃基、C3~C20杂环基、C5~C12杂芳基或C6~C20芳香基,所述R2为氢原子、C1~C20烷基、C3~C20环烷基、C2~C20烯烃基、C3~C20杂环基、C5~C12杂芳基或C6~C20芳香基;
或,R1和R2与它们相连的碳原子一起形成4-20个原子组成的环烷基或杂环基。
优选地,所述烷基、环烷基、烯烃基、杂环基、杂芳基、芳香基、环烷基或杂环基中含有选自卤素、羟基、氰基、硝基、烷氧基、胺基、二甲胺基、烷基、羧基、酯基、三氟甲基和芳香基中的一种或多种的取代基。
更优选地,式(Ⅲ)所示的化合物包括:
本发明还提供一种如上述所述亚胺类化合物的合成方法,将式(Ⅰ)所示的化合物与式(Ⅱ)所示的胺类化合物经研磨发生反应制得式(Ⅲ)所示的亚胺类化合物,合成路线如下:
优选地,所述式(Ⅱ)所示的胺类化合物为(R,R)-1,2-双(2-羟基苯基)亚乙基二胺、(S,S)-1,2-双(2-羟基苯基)亚乙基二胺或(R,S)-1,2-双(2-羟基苯基)亚乙基二胺。
优选地,式(Ⅰ)所示的化合物与式(Ⅱ)所示的胺类化合物的摩尔比为(2~3):1。
优选地,研磨反应的时间为0.5~6h。
优选地,研磨频率为5~60Hz。
优选地,研磨时,反应体系中化合物所接触的材质为塑料、陶瓷、玻璃或不锈钢。
本发明还公开了如上述所述的亚胺类化合物用于合成手性二胺类化合物的用途,采用如式(Ⅲ)所示化合物在有机溶剂中与盐酸水溶液发生水解反应形成如式(Ⅳ)所示化合物,合成路线如下:
所述HA为质子酸。
优选地,所述有机溶剂为四氢呋喃。
优选地,所述HA的pKa小于4.5。pKa为酸度系数。
优选地,HA中氢离子的摩尔数至少为如式(Ⅲ)所示化合物的摩尔数的两倍。
与现有技术相比,本发明具备如下有益效果:
本发明利用研磨方式实现diaza-Cope重排反应得到所需亚胺类化合物,这种亚胺类化合物在四氢呋喃溶液中加酸得到易于储存的二铵盐。在关键步骤diaza-Cope重排反应中无需使用热源供热,也无需使用溶剂,研磨方法节约时间成本,后处理简单,反应形成的手性产物单一性非常好,易于工业投产。
具体实施方式
以下由特定的具体实施例说明本发明的实施方式,熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。
在进一步描述本发明具体实施方式之前,应理解,本发明的保护范围不局限于下述特定的具体实施方案;还应当理解,本发明实施例中使用的术语是为了描述特定的具体实施方案,而不是为了限制本发明的保护范围。下列实施例中未注明具体条件的试验方法,通常按照常规条件,或者按照各制造商所建议的条件。
当实施例给出数值范围时,应理解,除非本发明另有说明,每个数值范围的两个端点以及两个端点之间任何一个数值均可选用。除非另外定义,本发明中使用的所有技术和科学术语与本技术领域技术人员通常理解的意义相同。除实施例中使用的具体方法、设备、材料外,根据本技术领域的技术人员对现有技术的掌握及本发明的记载,还可以使用与本发明实施例中所述的方法、设备、材料相似或等同的现有技术的任何方法、设备和材料来实现本发明。
本申请申请人意外发现了一种能够引发diaza-Cope重排反应的方式制备获得如式(Ⅲ)所示亚胺类化合物,其根本不需要引入溶剂,也无需额外热源,成本低、并且后处理简单,反应形成的手性产物单一性非常好,非常易于工业投产。
在一个具体的实施方式中,合成方法,将式(Ⅰ)所示的化合物与式(Ⅱ)所示的胺类化合物经研磨发生反应制得式(Ⅲ)所示的亚胺类化合物,合成路线如下:
其中,所述R1为氢原子、C1~C20烷基、C3~C20环烷基、C2~C20烯烃基、C3~C20杂环基、C5~C12杂芳基或C6~C20芳香基,所述R2为氢原子、C1~C20烷基、C3~C20环烷基、C2~C20烯烃基、C3~C20杂环基、C5~C12杂芳基或C6~C20芳香基;
或,R1和R2与它们相连的碳原子一起形成4-20个原子组成的环烷基或杂环基。
优选地,所述烷基、环烷基、烯烃基、杂环基、杂芳基、芳香基、环烷基或杂环基中含有选自卤素、羟基、氰基、硝基、烷氧基、胺基、二甲胺基、烷基、羧基、酯基、三氟甲基和芳香基中的一种或多种的取代基。
在一个具体的实施方式中,所述式(Ⅱ)所示的胺类化合物为(R,R)-1,2-双(2-羟基苯基)亚乙基二胺、(S,S)-1,2-双(2-羟基苯基)亚乙基二胺或(R,S)-1,2-双(2-羟基苯基)亚乙基二胺。
式(Ⅰ)所示的化合物与式(Ⅱ)所示的胺类化合物的摩尔比可以根据实际情况进行选择。在一个优选的实施方式中,式(Ⅰ)所示的化合物与式(Ⅱ)所示的胺类化合物的摩尔比为(2~3):1。考虑到式(Ⅱ)所示的胺类化合物的价格较高,因而式(Ⅰ)所示的化合物可以过量,以提高式(Ⅱ)所示的胺类化合物的利用率或转化率,但如果式(Ⅰ)所示的化合物的量过于过量,又会造成浪费,也不利于产物后续提纯。而在这一优选的范围内,能够兼顾较低成本、较高的利用率和提纯便捷性。
在一个具体的实施方式中,研磨反应的时间为0.5~6h。更优选地,所述研磨反应的时间为0.5~5h,进一步优选地,所述研磨反应的时间1~5小时,如可以为1h、2h、3h、4h或5h。
在一个具体的实施方式中,研磨频率为5~60Hz,更优选地,所述研磨频率为10~50Hz,如可以为10Hz、20Hz、30Hz、40Hz或50Hz。
优选地,研磨时,反应体系中化合物所接触的材质为塑料、陶瓷、玻璃或不锈钢。更优选地,研磨时,反应体系中化合物所接触的材质为不锈钢。更具体地,反应容器采用不锈钢材质,研磨用的研磨珠采用不锈钢材质。
在一个更具体的实施方式中,所述研磨混合在研磨反应装置中进行,所述研磨反应装置包括研钵、球磨机、棒磨机或研磨仪。
由上述反应形成了一系列新的亚胺类化合物。
并且上述亚胺类化合物通过甲酸水解能够形成易于储存的二铵盐。具体合成路线如下:
所述HA为质子酸。
在一个更优选的实施方式中,所述质子酸选自氢氟酸、盐酸、氢溴酸、氢碘酸、四氟硼酸、六氟磷酸、硝酸、硫酸、醋酸和对甲基苯磺酸中的一种或多种。
在一个具体的实施方式中,采用如式(Ⅲ)所示化合物在有机溶剂中与酸溶液发生水解反应形成如式(Ⅳ)所示化合物。在一个更优选的实施方式中,所述有机溶剂为四氢呋喃。在一个更优选的实施方式中,所述HA的pKa小于4.5。在一个更优选的实施方式中,HA中氢离子的摩尔数至少为如式(Ⅲ)所示化合物与的摩尔数的两倍。
通过以下实施例对本申请上述技术方案及技术效果进行进一步解释和说明。
实施例1
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入64mg对二甲胺基苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长4小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=6:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK IC column,5%isopropanol in hexane,1.0ml/min;(R,R)-tR=10.0min,(S,S)-tR=14.0min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(4-二甲胺基苯基)乙二胺四盐酸盐72mg,收率为80%。本申请中收率的计算公式为:
式(Ⅳ)所示化合物为黄色固体。1H NMR(400M,D2O)δ1H NMR(400MHz,D2O)δ7.61(d,J=8.3Hz,4H,ArH),7.51(d,J=8.4Hz,4H,ArH),5.21(s,2H,C*H),3.24(s,12H,CH3)。13CNMR(100MHz,D2O)δ143.43,133.22,130.47,121.63,56.25,46.17。MS(ESI):m/z=
282.1956([M+H]+)。
实施例2
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:15mL球磨罐中加入67mg 2-萘甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3.5小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=12:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,20%isopropanol in hexane,0.8ml/min;(R,R)tR=8.5min,(S,S)tR=9.8min。经测试,手性S,S分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(2-萘基)乙二胺盐酸盐65mg,收率为83%。
式(Ⅳ)所示化合物为白色固体。1H NMR(500MHz,DMSO-d6)δ9.41(s,6H),7.98(d,J=1.8Hz,2H),7.84–7.75(m,6H),7.52(dd,J=8.6,1.8Hz,2H),7.49(m,4H),5.38(s,2H)。13CNMR(100MHz,DMSO-d6)δ132.70,132.19,130.62,128.79,128.13,127.90,127.56,126.98,126.69,125.44,56.87.。MS(ESI):m/z=241.1694([M+H]+)。
实施例3
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入46mg苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=12:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为(CHIRALPAK IC column,1%isopropanol in hexane,0.5ml/min);(R,R)-tR=12.4min,(S,S)-tR=17.1min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二苯基乙二胺盐酸盐50mg,收率为85%。
式(Ⅳ)所示化合物为白色固体。1H NMR(400MHz,DMSO-d6)δ9.40(s,6H),7.35(dd,J=6.5,3.0Hz,4H),7.27–7.18(m,6H),5.11(s,2H).。13C NMR(101MHz,DMSO-d6)δ133.39,128.95,128.75,128.40,56.94.。MS(ESI):m/z=213.1379([M+H]+)。
实施例4
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入52mg的2-甲基苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长4小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=30:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK IC column,2%isopropanol in hexane,0.5ml/min;(S,S)-tR=21.2min,(R,R)-tR=23.2min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(2-甲基苯基)乙二胺盐酸盐55mg,收率为86%。
式(Ⅳ)所示化合物为白色固体。1H NMR(400MHz,DMSO-d6)δ9.26(s,6H),7.76(d,J=7.8Hz,2H),7.17(t,J=7.5Hz,2H),7.10(t,J=7.4Hz,2H),7.00(d,J=7.6Hz,2H),5.33(s,2H),2.16(s,6H).13C NMR(100MHz,DMSO-d6)δ136.32,132.83,130.43,128.94,127.16,126.23,52.77,19.19.。
MS(ESI):m/z=241.1688([M+H]+)。
实施例5
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入67mg的1-萘甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=20:1)。
对上述反应的反应产物采用HPLC进行测试,HPLC的测试参数为:CHIRALPAK ICcolumn,10%isopropanol in hexane,0.8ml/min;(R,R)-tR=10.5min,(S,S)-tR=14.0min,。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(1-萘基)乙二胺盐酸盐71mg,收率为90%。
式(Ⅳ)所示化合物为白色固体。1H NMR(400MHz,DMSO-d6)δ9.49(s,6H),8.34(d,J=8.5Hz,2H),8.14(d,J=7.6Hz,2H),7.71(d,J=8.2Hz,2H),7.59(d,J=7.9Hz,4H),7.43(t,J=7.5Hz,2H),7.17(t,J=7.8Hz,2H),6.40(s,2H)。13C-NMR(100MHz,D2O/DMSO-d6)δ134.54,131.91,131.34,130.34,130.19,128.97,128.02,126.76,126.61,123.51,53.10。MS(ESI):m/z=313.1687([M+H]+)。
实施例6
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入53mg的对羟基苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3.5小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=2:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK IC column,10%isopropanol in hexane,0.8ml/min;(R,R)-tR=19.6min,(S,S)-tR=22.0min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(4-羟基苯基)乙二胺盐酸盐52mg,收率为80%。
式(Ⅳ)所示化合物为白色固体。1H NMR(400MHz,DMSO-d6)δ9.73(s,2H),9.09(s,6H),7.09(d,J=8.2Hz,4H),6.65(d,J=8.1Hz,4H),4.87(s,2H).。13C NMR(100MHz,DMSO-d6)δ157.90,130.03,123.35,115.22,56.52。MS(ESI):m/z=245.1275([M+H]+)。
实施例7
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入56mg的对氰基苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长2.5小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=3:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK OD column,40%isopropanol in hexane,1.0ml/min;(S,S)-tR=18.9min,(R,R)-tR=22.6min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(4-氰基苯基)乙二胺盐酸盐58mg,收率为85%。
式(Ⅳ)所示化合物为白色固体。1H NMR(400MHz,DMSO-d6)δ9.55(s,6H),7.79(d,J=8.0Hz,4H),7.62(d,J=8.0Hz,4H),5.31(s,2H)。13C NMR(100MHz,DMSO-d6)δ138.11,132.47,129.92,118.24,111.92,56.01。MS(ESI):m/z=263.1284([M+H]+)。
实施例8
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入70mg的对甲酰基苯甲酸甲酯和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长4小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=4:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK IC column,4%isopropanol in hexane,0.7ml/min;(R,R)tR=7.8min,(S,S)tR=8.4min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(4-甲氧羰基苯基)乙二胺盐酸盐66mg,收率为81%。
式(Ⅳ)所示化合物为白色固体。1H NMR(500MHz,DMSO-d6)δ9.48(s,6H),7.80(d,J=8.2Hz,4H),7.54(d,J=8.3Hz,4H),5.25(s,2H),3.80(s,6H).。13C NMR(101MHz,DMSO-d6)δ165.61,138.20,130.05,129.27,129.16,56.38,52.31。MS(ESI):m/z=
329.1486([M+H]+)。
实施例9
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:15mL球磨罐中加入58mg的对甲氧基苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长4小时。反应过程中可取样,以TLC监测反应进程(二氯甲烷:甲醇=99:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK IC column,10%isopropanol in hexane,1.0ml/min;(R,R)-tR=8.1min,(S,S)-tR=9.8min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(4-甲氧基苯基)乙二胺盐酸盐65mg,收率为92%。
式(Ⅳ)所示化合物为白色固体。1H NMR(400MHz,DMSO-d6)δ9.22(s,6H),7.27(d,J=8.3Hz,4H),6.81(d,J=8.3Hz,4H),5.01(s,2H),3.68(s,6H)。13C NMR(101MHz,DMSO-d6)δ159.42,130.16,125.31,113.80,56.31,55.17。MS(ESI):m/z=273.1589([M+H]+)。
实施例10
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入60mg的对氯苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长4小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=24:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK IC column,10%isopropanol in hexane,0.6ml/min;(R,R)-tR=10.6min,(S,S)-tR=12.7min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(4-氯苯基)乙二胺盐酸盐51mg,收率为71%。
式(Ⅳ)所示化合物为白色固体。1H NMR(500MHz,DMSO-d6)δ9.35(s,6H),7.43–7.35(m,8H),5.14(s,2H)。13C NMR(101MHz,DMSO-d6)δ133.89,132.02,130.74,128.59,55.87。MS(ESI):m/z=281.0603([M+H]+)。
实施例11
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入52mg的对甲基苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=24:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK IC column,20%isopropanol in hexane,0.8ml/min;(R,R)-tR=7.2min,(S,S)-tR=8.2min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(4-甲基苯基)乙二胺盐酸盐57mg,收率为89%。
式(Ⅳ)所示化合物为白色固体,1H NMR(500MHz,DMSO-d6)δ9.17(s,6H),7.23–7.18(m,4H),7.08(d,J=7.9Hz,4H),4.99(s,2H),2.22(s,6H)。13C NMR(101MHz,DMSO-d6)δ138.37,130.31,129.02,128.62,56.49,20.68。MS(ESI):m/z=241.1690([M+H]+)。
实施例12
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入48mg的2-噻吩甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长2.5小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=10:1)。
对上述反应的反应产物采用HPLC进行测试,测试参数为:CHIRALPAK IC column,1%isopropanol in hexane,0.8ml/min;(S,S)-tR=45.1min,(R,R)-tR=48.7min。经测试,手性S,S分子的纯度>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1R,2R)-1,2-二(2-噻吩基)乙二胺盐酸盐58mg,收率为97%。
式(Ⅳ)所示化合物为白色固体,1H NMR(500MHz,DMSO-d6)δ9.49(s,6H),7.51(dd,J=5.0,1.2Hz,2H),7.35(dd,J=3.6,1.2Hz,2H),6.98(dd,J=5.1,3.6Hz,2H),5.39(s,2H)。13CNMR(101MHz,DMSO-d6)δ134.39,129.31,128.01,127.11,52.50。MS(ESI):m/z=
225.0505([M+H]+)。
实施例13
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入41mg的2-呋喃甲醛和50mg(R,R)-1,2-双(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=6:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,1%isopropanol in hexane,0.8ml/min;(S,S)-tR=39.1min,(R,R)-tR=42.4min。经测试,手性S,S分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1R,2R)-1,2-双(2-呋喃基)乙二胺盐酸盐107mg,收率为99%。
式(Ⅳ)所示化合物为白色固体,1H NMR(500MHz,DMSO-d6)δ9.45(s,6H),7.64(d,J=1.8Hz,2H),6.55(d,J=3.3Hz,2H),6.42(dd,J=3.4,1.8Hz,2H),5.17(s,2H)。13C NMR(101MHz,DMSO-d6)δ145.59,144.06,111.27,110.92,49.41。MS(ESI):m/z=193.0964([M+H]+)。
实施例14
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入50mg的丙酮酸乙酯和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长4小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=10:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,20%isopropanol in hexane,0.8ml/min;(S,S)-tR=10.3min,(R,R)-tR=12.4min。经测试,手性S,S分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(2R,3R)二乙基-2,3-二氨基-2,3-二甲基琥珀酸二盐酸盐62mg,收率为99%。
式(Ⅳ)所示化合物为白色固体,1H NMR(400MHz,DMSO-d6)δ9.37(s,6H),4.36–4.08(m,4H),1.66(s,6H),1.25(t,J=7.1Hz,6H)。13C NMR(101MHz,DMSO-d6)δ167.19,63.50,62.52,18.36,13.57.。MS(ESI):m/z=233.1485([M+H]+)。
实施例15
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入100mg的1-芘甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3.5小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=7:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,15%isopropanol in hexane,0.8ml/min;(S,S)-tR=19.2min,(R,R)-tR=23.9min。经测试,手性S,S分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(1-芘基)乙二胺盐酸盐104mg,收率为96%。
式(Ⅳ)所示化合物为黄色固体,1H NMR(400MHz,DMSO-d6)δ9.84(s,6H),8.83(dd,J=15.8,8.6Hz,4H),8.38(d,J=9.4Hz,2H),8.29(d,J=7.7Hz,2H),8.11(d,J=7.6Hz,2H),7.94(ddd,J=24.3,15.7,8.2Hz,6H),7.73(d,J=8.8Hz,2H),7.01(s,2H)。13C NMR(101MHz,DMSO-d6)δ130.63,130.42,129.78,128.55,128.33,127.96,126.81,126.47,125.82,125.53,124.59,123.29,123.24,122.74,52.61。MS(ESI):m/z=461.1998([M+H]+)。
实施例16
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入89mg的9-甲醛菲和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=9:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,15%isopropanol in hexane,0.8ml/min;(R,R)-tR=12.8min,(S,S)-tR=14.7min。经测试,手性S,S分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(9-菲基)乙二胺盐酸盐64mg,收率为65%。
式(Ⅳ)所示化合物为淡黄色固体,1H NMR(400MHz,DMSO-d6)δ9.56(s,6H),8.70(s,2H),8.58(d,J=8.5Hz,2H),8.53(d,J=8.4Hz,2H),8.50–8.44(m,2H),7.74–7.62(m,4H),7.50(dd,J=10.3,5.8Hz,6H),6.51(s,2H)。13C NMR(101MHz,DMSO-d6)δ129.70,129.45,129.41,129.23,128.99,128.40,128.00,127.62,127.05,126.81,126.69,123.98,123.26,122.58,51.70.。MS(ESI):m/z=413.2003([M+H]+)。
实施例17
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入65mg的4-硝基苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=9:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,5%isopropanol in hexane,1.0ml/min);(R,R)-tR=14.9min,(S,S)-tR=16.4min。经测试,手性S,S分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二(4-硝基苯基)乙二胺盐酸盐61mg,收率为79%。
式(Ⅳ)所示化合物为淡红色固体,1H NMR(400MHz,DMSO-d6)δ9.68–9.18(m,6H),8.17(d,J=8.4Hz,4H),7.72(d,J=8.4Hz,4H),5.36(s,2H)。13C NMR(101MHz,DMSO-d6)δ147.76,139.96,130.52,123.60,55.76。MS(ESI):m/z=303.1076([M+H]+)。
实施例18
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入78mg的对苯基苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=15:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,3%isopropanol in hexane,0.8ml/min;(R,R)-tR=28.0min,(S,S)-tR=31.5min。经测试,手性S,S分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二[(1,1’-联苯)-4-基]乙二胺盐酸盐71mg,收率为80%。
式(Ⅳ)所示化合物为白色固体,1H NMR(400MHz,DMSO-d6)δ9.46(s,6H),7.60(d,J=7.7Hz,8H),7.54(d,J=8.1Hz,4H),7.41(t,J=7.5Hz,4H),7.33(t,J=7.3Hz,2H),5.27(s,2H)。13C NMR(101MHz,DMSO-d6)δ140.48,138.97,132.38,129.57,129.02,127.87,126.62,126.56,56.40。MS(ESI):m/z=365.2007([M+H]+)。
实施例19
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入89mg的4-(苯乙炔基)苯甲醛和50mg(R,R)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长3.5小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=15:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,1%isopropanol in hexane,1.0ml/min;(S,S)-tR=39.9min,(R,R)-tR=47.1min。经测试,手性S,S分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1S,2S)-1,2-二[4-(苯基乙炔基)苯基]乙二胺盐酸盐75mg,收率为75%。
式(Ⅳ)所示化合物为白色固体,1H NMR(500MHz,DMSO-d6)δ9.48(s,6H),7.56–7.49(m,4H),7.45(s,8H),7.43–7.37(m,6H),5.22(s,2H)。ee>99%。13C NMR(126MHz,DMSO-d6)δ133.73,131.44,131.38,129.27,129.06,128.81,122.89,121.94,90.41,88.63,56.51。MS(ESI):m/z=413.1998([M+H]+)。
实施例20
本实施例中具体的一种式(Ⅲ)所示化合物和式(Ⅳ)所示化合物如下:
式(Ⅲ)所示化合物制备方法为:在15mL球磨罐中加入64mg对二甲胺基苯甲醛和50mg(S,S)-1,2-二(2-羟基苯基)亚乙基二胺,再加入直径为12mm的不锈钢材质的研磨珠,操作关闭研磨舱室,设定研磨参数:频率40Hz,时长4小时。反应过程中可取样,以TLC监测反应进程(石油醚:乙酸乙酯=6:1)。
对上述反应的反应产物采用HPLC进行分析,测试参数为:CHIRALPAK IC column,5%isopropanol in hexane,1.0ml/min;(R,R)-tR=10.0min,(S,S)-tR=14.0min。经测试,手性R,R分子的纯度为>99%。说明本申请上述经研磨发生反应形成的式(Ⅲ)所示的亚胺类化合物是纯度较高的单一手性分子。
式(Ⅳ)所示化合物的制备方法为:待反应结束后,将粗产物充分溶解于四氢呋喃中,将溶液过滤以除去研磨过程中产生的无机物碎屑。向溶液中滴加0.5mL浓盐酸,充分搅拌过夜,产物将以沉淀形式析出,抽滤得到滤饼,用四氢呋喃溶液充分洗涤滤饼3次,每次10mL,即得到纯净产物(1R,2R)-1,2-二(4-二甲胺基苯基)乙二胺四盐酸盐76mg,收率为80%。
式(Ⅳ)所示化合物为产物为黄色固体。1H NMR(400M,D2O)δ1H NMR(400MHz,D2O)δ7.61(d,J=8.3Hz,4H,ArH),7.51(d,J=8.4Hz,4H,ArH),5.21(s,2H,C*H),3.24(s,12H,CH3)。13C NMR(100MHz,D2O)δ143.43,133.22,130.47,121.63,56.25,46.17。MS(ESI):m/z=282.1956([M+H]+)。
上述实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。因此,举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变,仍应由本发明的权利要求所涵盖。
Claims (10)
2.根据权利要求1所述的亚胺类化合物,其特征在于,所述烷基、环烷基、烯烃基、杂环基、杂芳基、芳香基、环烷基或杂环基中含有选自卤素、羟基、氰基、硝基、烷氧基、胺基、二甲胺基、烷基、羧基、酯基、三氟甲基和芳香基中的一种或多种的取代基。
4.根据权利要求3所述的合成方法,其特征在于,所述式(Ⅱ)所示的胺类化合物为(R,R)-1,2-双(2-羟基苯基)亚乙基二胺、(S,S)-1,2-双(2-羟基苯基)亚乙基二胺或(R,S)-1,2-双(2-羟基苯基)亚乙基二胺。
5.根据权利要求3所述的合成方法,其特征在于,式(Ⅰ)所示的化合物与式(Ⅱ)所示的胺类化合物的摩尔比为(2~3):1。
6.根据权利要求3所述的合成方法,其特征在于,研磨频率为5~60Hz;和/或,研磨反应的时间为0.5~6h;和/或,研磨时,反应体系中化合物所接触的材质为塑料、陶瓷、玻璃或不锈钢。
8.根据权利要求7所述的用途,其特征在于,所述有机溶剂为四氢呋喃。
9.根据权利要求7所述的用途,其特征在于,所述HA的pKa小于4.5。
10.根据权利要求7所述的用途,其特征在于,HA中氢离子的摩尔数至少为如式(Ⅲ)所示化合物与的摩尔数的两倍。
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