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公开(公告)号:US07091011B2
公开(公告)日:2006-08-15
申请号:US10378202
申请日:2003-03-03
申请人: Michael G. Bramucci , Robert Dicosimo , Robert Fallon , John E. Gavagan , Frank Herkes , Lech Wilczek
发明人: Michael G. Bramucci , Robert Dicosimo , Robert Fallon , John E. Gavagan , Frank Herkes , Lech Wilczek
摘要: This invention relates to a process for the preparation of a 3-hydroxycarboxylic acid from a 3-hydroxynitrile. More specifically, 3-hydroxyvaleronitrile is converted to 3-hydroxyvaleric acid in high yield at up to 100% conversion, using as an enzyme catalyst 1) nitrile hydratase activity and amidase activity or 2) nitrilase activity of a microbial cell. 3-Hydroxyvaleric acid is used as a substitute for ε-caprolactone in the preparation of highly branched copolyester.
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公开(公告)号:US06562603B2
公开(公告)日:2003-05-13
申请号:US09921260
申请日:2001-08-02
申请人: Michael G. Bramucci , Robert Dicosimo , Robert Fallon , John E. Gavagan , Frank Herkes , Lech Wilczek
发明人: Michael G. Bramucci , Robert Dicosimo , Robert Fallon , John E. Gavagan , Frank Herkes , Lech Wilczek
IPC分类号: C12P742
摘要: This invention relates to a process for the preparation of a 3-hydroxycarboxylic acid from a 3-hydroxynitrile. More specifically, 3-hydroxyvaleronitrile is converted to 3-hydroxyvaleric acid in high yield at up to 100% conversion, using as an enzyme catalyst 1) nitrile hydratase activity and amidase activity or 2) nitrilase activity of a microbial cell. 3-Hydroxyvaleric acid is used as a substitute for &egr;-caprolactone in the preparation of highly branched copolyester.
摘要翻译: 本发明涉及一种由3-羟基腈制备3-羟基羧酸的方法。 更具体地,使用酶催化剂1)腈水合酶活性和酰胺酶活性或2)微生物细胞的腈水解酶活性,将3-羟基戊腈以高产率转化为3-羟基戊酸。 在制备高支化共聚酯时,使用3-羟基戊酸作为ε-己内酯的替代物。
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公开(公告)号:US07138480B2
公开(公告)日:2006-11-21
申请号:US10378201
申请日:2003-03-03
申请人: Michael G. Bramucci , Robert Dicosimo , Robert Fallon , John E. Gavagan , Frank Herkes , Lech Wilczek
发明人: Michael G. Bramucci , Robert Dicosimo , Robert Fallon , John E. Gavagan , Frank Herkes , Lech Wilczek
IPC分类号: C08G63/06
摘要: This invention relates to a process for the preparation of a 3-hydroxycarboxylic acid from a 3-hydroxynitrile. More specifically, 3-hydroxyvaleronitrile is converted to 3-hydroxyvaleric acid in high yield at up to 100% conversion, using as an enzyme catalyst 1) nitrile hydratase activity and amidase activity or 2) nitrilase activity of a microbial cell. 3-Hydroxyvaleric acid is used as a substitute for ε-caprolactone in the preparation of highly branched copolyester.
摘要翻译: 本发明涉及一种由3-羟基腈制备3-羟基羧酸的方法。 更具体地,使用酶催化剂1)腈水合酶活性和酰胺酶活性或2)微生物细胞的腈水解酶活性,将3-羟基戊腈以高产率转化为3-羟基戊酸。 3-羟基戊酸用于制备高支化共聚酯中的ε-己内酯的替代物。
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公开(公告)号:US07285410B2
公开(公告)日:2007-10-23
申请号:US11585036
申请日:2006-10-23
申请人: Michael G. Bramucci , Robert DiCosimo , Sarita Chauhan , Robert D. Fallon , John E. Gavagan , Mark S. Payne
发明人: Michael G. Bramucci , Robert DiCosimo , Sarita Chauhan , Robert D. Fallon , John E. Gavagan , Mark S. Payne
CPC分类号: C12N9/88 , C12N9/80 , C12P7/40 , C12P41/006
摘要: A method has been developed to prepare (E)- and (Z)-2-methyl-2-butenoic acids (2M2BA) from a mixture of (E,Z)-2-methyl-2-butenenitriles (2M2BN) by the regioselective hydrolysis of (E)-2M2BN to (E)-2-methyl-2-butenoic acid (2M2BA) using enzyme catalysts having either a nitrilase activity or a combination of nitrile hydratase and amidase activities. The method provides high yields without significant conversion of (Z)-2M2BN to (Z)-2M2BA. The regioselective hydrolysis of (E)-2M2BN to (E)-2M2BA makes possible the facile separation of (E)-2M2BA from (Z)-2M2BN or (Z)-2-methyl-2-butenamide (2M2BAm), and the subsequent conversion of (Z)-2M2BN or (Z)-2M2BAm to (Z)-2M2BA.
摘要翻译: 已经开发了一种由(E,Z)-2-甲基-2-丁烯腈(2M 2 BN)的混合物通过区域选择性制备(E) - 和(Z)-2-甲基-2-丁烯酸(2M 2 BA)的方法 使用具有腈水解酶活性或腈水合酶和酰胺酶活性的组合的酶催化剂将(E)-2M2BN水解成(E)-2-甲基-2-丁烯酸(2M2BA)。 该方法提供高产率而不显着转化(Z)-2M2BN至(Z)-2M2BA。 (E)-2M2BN至(E)-2M2BA的区域选择性水解使(E)-2M2BA与(Z)-2M2BN或(Z)-2-甲基-2-丁烯酰胺(2M2BAm)的容易分离成为可能, 随后将(Z)-2M2BN或(Z)-2M2BAm转化为(Z)-2M2BA。
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公开(公告)号:US07220562B2
公开(公告)日:2007-05-22
申请号:US11338471
申请日:2006-01-24
申请人: Michael G. Bramucci , Robert DiCosimo , Sarita Chauhan , Robert D. Fallon , John E. Gavagan , Mark S. Payne
发明人: Michael G. Bramucci , Robert DiCosimo , Sarita Chauhan , Robert D. Fallon , John E. Gavagan , Mark S. Payne
IPC分类号: C12P13/00 , C12P7/40 , C12Q1/34 , C12N11/14 , C12N11/02 , C12N1/20 , C12N9/78 , C12N15/00 , C07H21/04 , C07K14/00
CPC分类号: C12N9/88 , C12N9/80 , C12P7/40 , C12P41/006
摘要: A method has been developed to prepare (E)- and (Z)-2-methyl-2-butenoic acids (2M2BA) from a mixture of (E,Z)-2-methyl-2-butenenitriles (2M2BN) by the regioselective hydrolysis of (E)-2M2BN to (E)-2-methyl-2-butenoic acid (2M2BA) using enzyme catalysts having either a nitrilase activity or a combination of nitrile hydratase and amidase activities. The method provides high yields without significant conversion of (Z)-2M2BN to (Z)-2M2BA. The regioselective hydrolysis of (E)-2M2BN to (E)-2M2BA makes possible the facile separation of (E)-2M2BA from (Z)-2M2BN or (Z)-2-methyl-2-butenamide (2M2BAm), and the subsequent conversion of (Z)-2M2BN or (Z)-2M2BAm to (Z)-2M2BA.
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公开(公告)号:US07198926B2
公开(公告)日:2007-04-03
申请号:US10431965
申请日:2003-05-08
申请人: Michael G. Bramucci , Robert Dicosimo , John E. Gavagan , Mark S. Payne , Robert D. Fallon , Sarita Chauhan
发明人: Michael G. Bramucci , Robert Dicosimo , John E. Gavagan , Mark S. Payne , Robert D. Fallon , Sarita Chauhan
IPC分类号: C12P13/00 , C12P7/40 , C12Q1/34 , C12N11/14 , C12N11/02 , C12N1/20 , C12N9/78 , C12N15/00 , C07H21/04 , C07K14/00
CPC分类号: C12N9/88 , C12N9/80 , C12P7/40 , C12P41/006
摘要: A method has been developed to prepare (E)- and (Z)-2-methyl-2-butenoic acids (2M2BA) from a mixture of (E,Z)-2-methyl-2-butenenitriles (2M2BN) by the regioselective hydrolysis of (E)-2M2BN to (E)-2-methyl-2-butenoic acid (2M2BA) using enzyme catalysts having either a nitrilase activity or a combination of nitrile hydratase and amidase activities. The method provides high yields without significant conversion of (Z)-2M2BN to (Z)-2M2BA. The regioselective hydrolysis of (E)-2M2BN to (E)-2M2BA makes possible the facile separation of (E)-2M2BA from (Z)-2M2BN or (Z)-2-methyl-2-butenamide (2M2BAm), and the subsequent conversion of (Z)-2M2BN or (Z)-2M2BAm to (Z)-2M2BA.
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7.
公开(公告)号:US08518675B2
公开(公告)日:2013-08-27
申请号:US11943872
申请日:2007-11-21
摘要: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
摘要翻译: 提供了从羧酸酯制备过氧羧酸的方法。 更具体地说,羧酸酯与无机过氧化物如过氧化氢在具有过水解活性的酶催化剂存在下反应。 基于保守的结构特征,本发明的过水解酶催化剂被分类为碳水化合物酯酶家族7(CE-7)的成员。 此外,提供包含通过本文所述方法生产的过酸的消毒剂制剂。
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公开(公告)号:US07723083B2
公开(公告)日:2010-05-25
申请号:US12143375
申请日:2008-06-20
CPC分类号: A01N37/02 , A01N37/16 , A01N37/36 , A01N59/00 , A61L2/186 , C12P7/40 , C12P7/62 , A01N63/02 , A01N2300/00
摘要: A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided.
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公开(公告)号:US06551804B2
公开(公告)日:2003-04-22
申请号:US09766955
申请日:2001-01-22
IPC分类号: C12P1300
CPC分类号: C12N1/04 , C12N9/78 , C12N9/96 , C12N11/04 , C12N11/08 , C12N11/10 , C12P7/40 , C12P13/002 , Y02P20/588
摘要: This invention relates to an improved process for preparing a carboxylic acid from the corresponding nitrile using a nitrilase catalyst. More particularly, the instant invention converts 2-methylglutaronitrile to 4-cyanopentanoic acid in aqueous solution using an enzyme catalyst having an nitrilase activity, immobilized in alginate, and crosslinked with glutaraldehyde and polyethylenimine.
摘要翻译: 本发明涉及使用腈水解酶催化剂从相应的腈制备羧酸的改进方法。 更具体地,本发明使用具有腈水解酶活性的酶催化剂将2-甲基戊二酸转化成水溶液中的4-氰基戊酸,固定在藻酸盐中,并与戊二醛和聚乙烯亚胺交联。
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10.
公开(公告)号:US06455730B1
公开(公告)日:2002-09-24
申请号:US09632419
申请日:2000-08-04
IPC分类号: C07C5108
摘要: This invention relates to a process for preparing dicarboxylic acid monoesters from cyanocarboxylic acid esters. More particularly, using the nitrilase from Acidovorax facilis 72W (ATCC 55745) in various forms as an enzyme catalyst, an aliphatic or aromatic cyanocarboxylic acid ester is converted to the corresponding dicarboxylic acid monoester with high chemoselectivity at 100% conversion. An embodiment of the invention also provides a process for obtaining high chemoselectively and high regioselectivity.
摘要翻译: 本发明涉及由氰基羧酸酯制备二羧酸单酯的方法。 更具体地,使用来自Acidovorax facilis 72W(ATCC 55745)的腈水解酶以各种形式作为酶催化剂,将脂族或芳族氰基羧酸酯在100%转化率下转化为具有高化学选择性的相应的二羧酸单酯。 本发明的实施方案还提供了获得高化学选择性和高区域选择性的方法。
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