키랄리간드 및 이를 이용한(2R,3R)-2,3-디알킬타르타르산의 제조방법
    1.
    发明公开
    키랄리간드 및 이를 이용한(2R,3R)-2,3-디알킬타르타르산의 제조방법 失效
    使用该化合物制备(2R,3R)-2,3-二烷基胆酸的新型配体配体和方法

    公开(公告)号:KR1020020017166A

    公开(公告)日:2002-03-07

    申请号:KR1020000050328

    申请日:2000-08-29

    CPC classification number: C07F7/1804

    Abstract: PURPOSE: Provided are a novel (2S,3aS,7aS)-2-(t-butyldiphenylsilyloxymethyl)octahydroindoline of the formula(1) and a process for preparing (2R,3R)-2,3-dialkyltartaric acid by pinacol coupling using it as a chiral ligand, thereby producing (2R,3R)-2,3-dialkyltartaric acid in high chemical and optical yields. CONSTITUTION: (2S,3aS,7aS)-2-(t-butyldiphenylsilyloxymethyl)octahydroindoline is represented by the formula(1), wherein R is methyl or phenyl, and prepared by the steps of: converting (S)-indoline-2-carbonic acid into (S)-indoline-2-carbonic acid ethyl ester using thionyl chloride and ethanol; reducing it by using platinum oxide to obtain (2S,3aS,7aS)-octahydroindole-2-carbonic acid ethyl ester; reducing it by using lithium aluminum hydride; reacting it with chloro t-butyldiphenylsilane acid in the presence of imidazole to obtain (2S,3aS,7aS)-2-(t-butyldiphenylsilyloxymethyl)octahydroindoline. (2R,3R)-2,3-dialkyltartaric acid is prepared by the steps of: reacting 2-keto carbonic acid with (2S,3aS,7aS)-2-(t-butyldiphenylsilyloxymethyl)octahydroindoline(I) in the presence of dicyclohexylcarbodiimide(DDC) to obtain 2-ketoamide(II); pinacol coupling the 2-ketoamide(II) in the presence of hexamethylphosphoamide(HMP) to obtain dialkyltartaric acid derivative; and hydrolyzing the derivative to manufacture (2R,3R)-2,3-dialkyltartaric acid(III).

    Abstract translation: 目的:提供式(1)的新型(2S,3aS,7aS)-2-(叔丁基二苯基甲硅烷氧基甲基)八氢二氢吲哚和通过频闪偶联使用其制备(2R,3R)-2,3-二烷基酒石酸的方法 作为手性配体,从而以高的化学和光学收率产生(2R,3R)-2,3-二烷基酒石酸。 构成:(2S,3aS,7aS)-2-(叔丁基二苯基甲硅烷氧基甲基)八氢二氢吲哚由式(1)表示,其中R是甲基或苯基,并通过以下步骤制备:将(S) - 二氢吲哚-2- 使用亚硫酰氯和乙醇将碳酸转化成(S) - 二氢吲哚-2-碳酸乙酯; 通过使用氧化铂将其还原,得到(2S,3aS,7aS) - 八氢吲哚-2-碳酸乙酯; 使用氢化铝锂还原它; 在咪唑存在下与氯叔丁基二苯基硅烷反应,得到(2S,3aS,7aS)-2-(叔丁基二苯基甲硅烷氧基甲基)八氢二氢吲哚。 (2R,3R)-2,3-二烷基酒石酸通过以下步骤制备:使2-酮碳酸与(2S,3aS,7aS)-2-(叔丁基二苯基甲硅烷氧基甲基)八氢二氢吲哚(I)在二环己基碳二亚胺 (DDC)得到2-酮酰胺(II); 频烯醇在六甲基磷酰胺(HMP)的存在下偶联2-酮酰胺(II),得到二烷基酒石酸衍生物; 并水解该衍生物制备(2R,3R)-2,3-二烷基酒石酸(III)。

    키랄리간드 및 이를 이용한(2S,3S)-2,3-디알킬타르타르산의 제조방법
    2.
    发明公开
    키랄리간드 및 이를 이용한(2S,3S)-2,3-디알킬타르타르산의 제조방법 失效
    使用相同方法制备(2S,3S)-2,3-二烷基胆酸的新型配体配体和方法

    公开(公告)号:KR1020020017165A

    公开(公告)日:2002-03-07

    申请号:KR1020000050327

    申请日:2000-08-29

    CPC classification number: C07F7/1804

    Abstract: PURPOSE: Provided are a novel (S)-2-t-butyldiphenylsilyloxymethylindoline of the formula(1) and a process for preparing (2S,3S)-2,3-dialkyltartaric acid by pinacol coupling using it as a chiral ligand, thereby producing (2S,3S)-2,3-dialkyltartaric acid in high chemical and optical yields. CONSTITUTION: (S)-2-t-butyldiphenylsilyloxymethylindoline is represented by the formula(1), wherein R is methyl or phenyl, and prepared by the steps of: reducing (S)-indoline-2-carbonic acid into lithium aluminum hydride; reacting it with chloro t-butyldiphenylsilane compound in the presence of imidazole to obtain (S)-2-t-butyldiphenylsilyloxymethylindoline. (2S,3S)-2,3-dialkyltartaric acid is prepared by the steps of: reacting 2-keto carbonic acid with (S)-2-t-butyldiphenylsilyloxymethylindoline(I) in the presence of dicyclohexylcarbodiimide(DDC) to obtain 2-ketoamide(II); pinacol coupling the 2-ketoamide(II) in the presence of hexamethylphosphoamide(HMP) to obtain dialkyltartaric acid derivative; and hydrolyzing the derivative to manufacture (2S,3S)-2,3-dialkyltartaric acid(III).

    Abstract translation: 目的:提供式(1)的新型(S)-2-叔丁基二苯基甲硅烷氧基甲基二氢吲哚和通过频哪醇偶联使其作为手性配体制备(2S,3S)-2,3-二烷基酒石酸的方法,从而产生 (2S,3S)-2,3-二烷基酒石酸,具有高的化学和光学收率。 构成:(S)-2-叔丁基二苯基甲硅烷氧基甲基二氢吲哚由式(1)表示,其中R是甲基或苯基,并通过以下步骤制备:将(S) - 二氢吲哚-2-碳酸还原成氢化铝锂; 在咪唑存在下与氯代叔丁基二苯基硅烷化合物反应,得到(S)-2-叔丁基二苯基甲硅烷氧基甲基二氢吲哚。 (2S,3S)-2,3-二烷基酒石酸通过以下步骤制备:在二环己基碳二亚胺(DDC)的存在下,使2-酮基碳酸与(S)-2-叔丁基二苯基甲硅烷氧基甲基二氢吲哚(I)反应,得到2- 酮酰胺(II); 频烯醇在六甲基磷酰胺(HMP)的存在下偶联2-酮酰胺(II),得到二烷基酒石酸衍生物; 并水解该衍生物制备(2S,3S)-2,3-二烷基酒石酸(III)。

    키랄리간드 및 이를 이용한(2R,3R)-2,3-디알킬타르타르산의 제조방법
    3.
    发明授权
    키랄리간드 및 이를 이용한(2R,3R)-2,3-디알킬타르타르산의 제조방법 失效
    2리간드및이를이용한(2R,3R)-2,3-알킬타르타르산의제조방키랄

    公开(公告)号:KR100372759B1

    公开(公告)日:2003-02-19

    申请号:KR1020000050328

    申请日:2000-08-29

    Abstract: PURPOSE: Provided are a novel (2S,3aS,7aS)-2-(t-butyldiphenylsilyloxymethyl)octahydroindoline of the formula(1) and a process for preparing (2R,3R)-2,3-dialkyltartaric acid by pinacol coupling using it as a chiral ligand, thereby producing (2R,3R)-2,3-dialkyltartaric acid in high chemical and optical yields. CONSTITUTION: (2S,3aS,7aS)-2-(t-butyldiphenylsilyloxymethyl)octahydroindoline is represented by the formula(1), wherein R is methyl or phenyl, and prepared by the steps of: converting (S)-indoline-2-carbonic acid into (S)-indoline-2-carbonic acid ethyl ester using thionyl chloride and ethanol; reducing it by using platinum oxide to obtain (2S,3aS,7aS)-octahydroindole-2-carbonic acid ethyl ester; reducing it by using lithium aluminum hydride; reacting it with chloro t-butyldiphenylsilane acid in the presence of imidazole to obtain (2S,3aS,7aS)-2-(t-butyldiphenylsilyloxymethyl)octahydroindoline. (2R,3R)-2,3-dialkyltartaric acid is prepared by the steps of: reacting 2-keto carbonic acid with (2S,3aS,7aS)-2-(t-butyldiphenylsilyloxymethyl)octahydroindoline(I) in the presence of dicyclohexylcarbodiimide(DDC) to obtain 2-ketoamide(II); pinacol coupling the 2-ketoamide(II) in the presence of hexamethylphosphoamide(HMP) to obtain dialkyltartaric acid derivative; and hydrolyzing the derivative to manufacture (2R,3R)-2,3-dialkyltartaric acid(III).

    Abstract translation: 用途:提供了式(1)的新型(2S,3aS,7aS)-2-(叔丁基二苯基甲硅烷氧基甲基)八氢吲哚啉和使用其的频哪醇偶联制备(2R,3R)-2,3-二烷基酒石酸的方法 作为手性配体,由此以高化学和光学产率生产(2R,3R)-2,3-二烷基酒石酸。 结构式(1)表示:(2S,3aS,7aS)-2-(叔丁基二苯基甲硅烷氧基甲基)八氢二氢吲哚,其中R为甲基或苯基,并通过以下步骤制备:将(S) - 二氢吲哚-2- 使用亚硫酰氯和乙醇将碳酸转化成(S) - 二氢吲哚-2-碳酸乙酯; 通过使用氧化铂将其还原以获得(2S,3aS,7aS) - 八氢吲哚-2-碳酸乙酯; 用氢化铝锂还原它; 使其与咪唑存在下的氯叔丁基二苯基硅烷酸反应,得到(2S,3aS,7aS)-2-(叔丁基二苯基甲硅烷基氧基甲基)八氢二氢吲哚。 通过以下步骤制备(2R,3R)-2,3-二烷基酒石酸:在二环己基碳二亚胺存在下使2-酮基碳酸与(2S,3aS,7aS)-2-(叔丁基二苯基甲硅烷氧基甲基)八氢二氢吲哚(I) (DDC)以获得2-酮酰胺(II); 频哪醇在六甲基磷酰胺(HMP)存在下偶联2-酮酰胺(II)以获得二烷基酒石酸衍生物; 并水解该衍生物以制造(2R,3R)-2,3-二烷基酒石酸(III)。

    키랄리간드 및 이를 이용한(2S,3S)-2,3-디알킬타르타르산의 제조방법
    4.
    发明授权
    키랄리간드 및 이를 이용한(2S,3S)-2,3-디알킬타르타르산의 제조방법 失效
    (2S,3S)-2,3-르타르타르산의제조방키랄

    公开(公告)号:KR100372758B1

    公开(公告)日:2003-02-19

    申请号:KR1020000050327

    申请日:2000-08-29

    Abstract: PURPOSE: Provided are a novel (S)-2-t-butyldiphenylsilyloxymethylindoline of the formula(1) and a process for preparing (2S,3S)-2,3-dialkyltartaric acid by pinacol coupling using it as a chiral ligand, thereby producing (2S,3S)-2,3-dialkyltartaric acid in high chemical and optical yields. CONSTITUTION: (S)-2-t-butyldiphenylsilyloxymethylindoline is represented by the formula(1), wherein R is methyl or phenyl, and prepared by the steps of: reducing (S)-indoline-2-carbonic acid into lithium aluminum hydride; reacting it with chloro t-butyldiphenylsilane compound in the presence of imidazole to obtain (S)-2-t-butyldiphenylsilyloxymethylindoline. (2S,3S)-2,3-dialkyltartaric acid is prepared by the steps of: reacting 2-keto carbonic acid with (S)-2-t-butyldiphenylsilyloxymethylindoline(I) in the presence of dicyclohexylcarbodiimide(DDC) to obtain 2-ketoamide(II); pinacol coupling the 2-ketoamide(II) in the presence of hexamethylphosphoamide(HMP) to obtain dialkyltartaric acid derivative; and hydrolyzing the derivative to manufacture (2S,3S)-2,3-dialkyltartaric acid(III).

    Abstract translation: 用途:提供了式(1)的新型(S)-2-叔丁基二苯基甲硅烷氧基甲基二氢吲哚和使用频哪醇偶合制备(2S,3S)-2,3-二烷基酒石酸作为手性配体,从而制备 (2S,3S)-2,3-二烷基酒石酸,其化学和光学产率高。 结构式:(S)-2-叔丁基二苯基甲硅烷氧基甲基二氢吲哚由式(1)表示,其中R为甲基或苯基,并通过以下步骤制备:将(S) - 二氢吲哚-2-碳酸还原成氢化铝锂; 使其与氯叔丁基二苯基硅烷化合物在咪唑存在下反应,得到(S)-2-叔丁基二苯基甲硅烷氧基甲基二氢吲哚。 (DDC)存在下使2-酮基碳酸与(S)-2-叔丁基二苯基甲硅烷氧基甲基二氢吲哚(I)反应,制得2-(2S,3S)-2,3-二烷基酒石酸, 酮酰胺(II); 频哪醇在六甲基磷酰胺(HMP)存在下偶联2-酮酰胺(II)以获得二烷基酒石酸衍生物; 并水解衍生物以制备(2S,3S)-2,3-二烷基酒石酸(III)。

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