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    • 3. 发明授权
    • Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols
    • 用于制备对映体纯的1-取代-3-氨基醇的方法
    • US08258338B2
    • 2012-09-04
    • US11884542
    • 2006-02-14
    • Walter BriedenMartin ClausenJohn McGarrityHanspeter MettlerColette Mettler, legal representativeDominique Michel
    • Walter BriedenMartin ClausenJohn McGarrityHanspeter MettlerDominique Michel
    • C07C33/32C07D333/12
    • C07C303/22C07B2200/07C07C213/02C07C221/00C07C309/04C07C309/07C07C309/30C07C215/30C07C225/16
    • A process for the preparation of N-monosubstituted β-aminoalcohol sulfonates of formula (Ia), (Ib): wherein R1 is C6-20-aryl or C4-12-heteroaryl, each optionally being substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups, R2 is C1-4-alkyl or C6-20-aryl, each aryl optionally being substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups and wherein R3 is selected from the group consisting of C1-18-alkyl, C6-20-cycloalkyl, C6-20-aryl and C7-20-aralkyl residues. The process has the steps of (a) reacting a methyl ketone, a primary amine, formaldehyde and a sulfonic acid, at a pressure above 1.5 bar, optionally in a organic solvent, the organic solvent optionally containing water, to afford N-monosubstituted β-aminoketone sulfonates of formula (II): wherein R1, R2 and R3 are as defined above, and (b) asymmetrically hydrogenating. The sulfonates in the presence of a base and a catalyst of a transition metal and a disphosphine ligand, in a polar solvent, optionally in the presence of water.
    • 一种制备式(Ia),(Ib)的N-单取代和(bgr) - 氨基醇磺酸盐的方法:其中R1是C6-20-芳基或C4-12 - 杂芳基,各自任选被一个或多个卤素原子取代, /或一个或多个C 1-4 - 烷基或C 1-4 - 烷氧基,R 2是C 1-4 - 烷基或C 6-20 - 芳基,每个芳基任选被一个或多个卤素原子和/或一个或多个C 1 -4-烷基或C 1-4 - 烷氧基,并且其中R 3选自C 1-18 - 烷基,C 6-20 - 环烷基,C 6-20 - 芳基和C 7-20 - 芳烷基残基。 该方法具有以下步骤:(a)使甲基酮,伯胺,甲醛和磺酸在高于1.5巴的压力下,任选地在有机溶剂(任选含有水的有机溶剂)中反应,得到N-单取代的&bgr (II)的氨基酮磺酸盐:其中R 1,R 2和R 3如上所定义,和(b)不对称氢化。 在极性溶剂中,任选地在水存在下,在过渡金属和二膦配体的碱存在下和催化剂存在下的磺酸盐。
    • 4. 发明申请
    • Process for the Preparation of Enantiomerically Pure 1-Substituted-3-Aminoalcohols
    • 对映异构纯的1-取代的3-氨基醇的制备方法
    • US20090156833A1
    • 2009-06-18
    • US11884542
    • 2006-02-14
    • Walter BriedenMartin ClausenJohn McGarrityHanspeter MettlerColette MettlerDominique Michel
    • Walter BriedenMartin ClausenJohn McGarrityHanspeter MettlerColette MettlerDominique Michel
    • C07D333/36
    • C07C303/22C07B2200/07C07C213/02C07C221/00C07C309/04C07C309/07C07C309/30C07C215/30C07C225/16
    • A process for the preparation of N-monosubstituted β-aminoalcohol sulfonates of formula (Ia), (Ib): wherein R1 is C6-20-aryl or C4-12-heteroaryl, each optionally being substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups, R2 is C1-4-alkyl or C6-20-aryl, each aryl optionally being substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups and wherein R3 is selected from the group consisting of C1-18-alkyl, C6-20-cycloalkyl, C6-20-aryl and C7-20-aralkyl residues. The process has the steps of (a) reacting a methyl ketone, a primary amine, formaldehyde and a sulfonic acid, at a pressure above 1.5 bar, optionally in a organic solvent, the organic solvent optionally containing water, to afford N-monosubstituted β-aminoketone sulfonates of formula (II): wherein R1, R2 and R3 are as defined above, and (b) asymmetrically hydrogenating. The sulfonates in the presence of a base and a catalyst of a transition metal and a disphosphine ligand, in a polar solvent, optionally in the presence of water.
    • 制备式(Ia),(Ib)的N-单取代的β-氨基醇磺酸盐的方法:其中R1是C6-20-芳基或C4-12 - 杂芳基,每个任选被一个或多个卤素原子和/ 或一个或多个C 1-4 - 烷基或C 1-4 - 烷氧基,R 2是C 1-4 - 烷基或C 6-20 - 芳基,每个芳基任选地被一个或多个卤素原子和/或一个或多个C 1〜 4-烷基或C 1-4 - 烷氧基,并且其中R 3选自C 1-18 - 烷基,C 6-20 - 环烷基,C 6-20 - 芳基和C 7-20 - 芳烷基残基。 该方法具有以下步骤:(a)使甲基酮,伯胺,甲醛和磺酸在高于1.5巴的压力下,任选地在有机溶剂(任选含有水的有机溶剂)中反应,得到N-单取代的β (II)的氨基酮磺酸盐:其中R1,R2和R3如上定义,和(b)不对称氢化。 在极性溶剂中,任选地在水存在下,在过渡金属和二膦配体的碱存在下和催化剂存在下的磺酸盐。
    • 5. 发明授权
    • Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols
    • 用于制备对映体纯的1-取代-3-氨基醇的方法
    • US07973182B2
    • 2011-07-05
    • US10590140
    • 2005-02-21
    • Dominique MichelHanspeter MettlerJohn McGarrity
    • Dominique MichelHanspeter MettlerJohn McGarrity
    • C07D307/02C07D333/20
    • C07C213/00C07B2200/07C07D333/22
    • A process for the preparation of enantiomerically pure 1-substituted-3-amino-alcohols, particularly of (S)-(−)- and (R)-(+)-3-N-methylamino-1-(2-thienyl)-1-propanol, by asymmetrically hydrogenating salts of a carboxylic acids with an aminoketone of the formula: wherein R1 is 2-thienyl, 2-furanyl or phenyl, each optionally substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups, and wherein R2 is C1-4-alkyl or phenyl, each optionally substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups. The corresponding aminoalcohols are obtained by subsequent hydrolysis of their salts. Salts of a carboxylic acid with the aminoketones and the aminoalcohols obtained by asymmetrically hydrogenating the aminoketones, respectively.
    • 制备对映体纯的1-取代-3-氨基醇,特别是(S) - ( - ) - 和(R) - (+) - 3-N-甲基氨基-1-(2-噻吩基) -1-丙醇,通过用下式的氨基酮不对称氢化羧酸盐:其中R1是2-噻吩基,2-呋喃基或苯基,每个任选被一个或多个卤素原子和/或一个或多个C 1〜 4-烷基或C 1-4 - 烷氧基,并且其中R 2为C 1-4 - 烷基或苯基,各自任选被一个或多个卤素原子和/或一个或多个C 1-4 - 烷基或C 1-4 - 烷氧基取代 。 相应的氨基醇通过其盐的水解得到。 羧酸与通过不对称氢化氨基酮获得的氨基酮和氨基醇的羧酸盐。
    • 6. 发明申请
    • Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols
    • 用于制备对映体纯的1-取代-3-氨基醇的方法
    • US20110207946A1
    • 2011-08-25
    • US13064147
    • 2011-03-08
    • Dominique MichelHanspeter MettlerJohn McGarrity
    • Dominique MichelHanspeter MettlerJohn McGarrity
    • C07D333/20
    • C07C213/00C07B2200/07C07D333/22
    • Provided is a process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols, particularly of (S)-(−)- and (R)-(+)-3-N-methylamino-1-(2-thienyl)-1-propanol, by asymmetrically hydrogenating salts of a carboxylic acids with an aminoketone of formula (II), wherein R1 is selected from the group consisting of 2-thienyl, 2-furanyl and phenyl, each optionally substituted with one or more halogen atoms and/or one or more C1-4-alkoxy groups, and wherein R2 is C1-4-alkyl or phenyl, each optionally substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups, and wherein the corresponding aminoalcohols are obtained by subsequent hydrolysis of their salts. Furthermore provided are salts of a carboxylic acid with said aminoketones and the aminoalcohols obtained by asymmetriacally hydrogenating said aminoketones, respectively.
    • 提供了制备对映体纯的1-取代-3-氨基醇,特别是(S) - ( - ) - 和(R) - (+) - 3-N-甲基氨基-1-(2-噻吩基) -1-丙醇,通过用式(II)的氨基酮不对称氢化羧酸盐,其中R 1选自2-噻吩基,2-呋喃基和苯基,每个任选被一个或多个卤素原子取代 和/或一个或多个C 1-4 - 烷氧基,并且其中R 2是C 1-4 - 烷基或苯基,各自任选被一个或多个卤素原子和/或一个或多个C 1-4 - 烷基或C 1-4 - 烷氧基,并且其中相应的氨基醇通过其盐的随后水解获得。 此外,还提供了羧酸与所述氨基酮和通过不对称地氢化所述氨基酮而获得的氨基醇的盐。
    • 9. 发明申请
    • Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols
    • 用于制备对映体纯的1-取代-3-氨基醇的方法
    • US20110207945A1
    • 2011-08-25
    • US13064146
    • 2011-03-08
    • Dominique MichelHanspeter MettlerJohn McGarrity
    • Dominique MichelHanspeter MettlerJohn McGarrity
    • C07D333/22
    • C07C213/00C07B2200/07C07D333/22
    • Provided is a process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols, particularly of (S)-(−)- and (R)-(+)-3-N-methylamino-1-(2-thienyl)-1-propanol, by asymmetrically hydrogenating salts of a carboxylic acids with an aminoketone of formula (II), wherein R1 is selected from the group consisting of 2-thienyl, 2-furanyl and phenyl, each optionally substituted with one or more halogen atoms and/or one or more C1-4-alkoxy groups, and wherein R2 is C1-4-alkyl or phenyl, each optionally substituted with one or more halogen atoms and/or one or more C1-4-alkyl or C1-4-alkoxy groups, and wherein the corresponding aminoalcohols are obtained by subsequent hydrolysis of their salts. Furthermore provided are salts of a carboxylic acid with said aminoketones and the aminoalcohols obtained by asymmetrically hydrogenating said aminoketones, respectively.
    • 提供了制备对映体纯的1-取代-3-氨基醇,特别是(S) - ( - ) - 和(R) - (+) - 3-N-甲基氨基-1-(2-噻吩基) -1-丙醇,通过用式(II)的氨基酮不对称氢化羧酸盐,其中R 1选自2-噻吩基,2-呋喃基和苯基,每个任选被一个或多个卤素原子取代 和/或一个或多个C 1-4 - 烷氧基,并且其中R 2是C 1-4 - 烷基或苯基,各自任选被一个或多个卤素原子和/或一个或多个C 1-4 - 烷基或C 1-4 - 烷氧基,并且其中相应的氨基醇通过其盐的随后水解获得。 此外还提供了羧酸与所述氨基酮和通过不对称氢化所述氨基酮而获得的氨基醇的盐。