688044-30-6 = 621-37-4 + 85-61-0 反应条件:1.1C:37270-64-7,S:H2O,25°C,Ph 7.5 标题:The Mechanisms Of Human Hotdog-Fold Thioesterase 2 (Hthem2) Substrate Recognition And Catalysis Illuminated By A Structure And Function Based Analysis 作者:By Cao,Jian Et Al 参考文献:Biochemistry 日期:2009 卷标:48(6) 页码:1293-1304
专利号:US-7138526-B1 优先权日:1999-06-15 标 题 :Solid phase synthesis of n,n-disubstituted diazacycloalkylcarboxy derivatives 发明人:HERPIN TIMOTHY F; MORTON GEORGE C; SALVINO JOSEPH M 权利人:AVENTIS PHARMA INC 摘要:A method for the solid phase synthesis of N,N-disubstituted diazacycloalkylcarboxy derivatives of general formula (I) and (II) is claimed. Examples include piperazine-2-carboxamide. The method is applicable to the synthesis or large combinatorial libraries
专利号:US-2002192767-A1 优先权日:1999-10-13 标题 :Biosynthesis of polyketide synthase substrates 发明人:KHOSLA CHAITAN; PFEIFER BLAINE 摘要:The use of enzymes which catalyze the production of starter and extender units for polyketides is described. In addition, modified loading modules are described, which can accept a variety of starting units such as substituted benzoates, and which can be used to generate substituted derivatives of natural products. These enzymes may be used to enhance the yield of polyketides that are natively produced or polyketides that are rationally designed. By using these techniques, the synthesis of a complete polyketide has been achieved in E. coli . Production can be enhanced in microbial organisms of polyketides and other secondary metabolites by delaying production until after exponential phase and by maintaining relatively constant nutrient levels in the medium. In addition, polyketide production can be enhanced by providing an expression system for a thioesterase II. Thus, by modifying the host organism and changing the culture conditions, synthesis of a secondary metabolite can be enhanced. The present invention also results in a host organism with desirable characteristics to be used in the production of such polyketides and to assess the results of gene shuffling.
专利号:WO-02068613-A1 优先权日:2001-02-28 标题 :Biosynthesis of polyketide synthase substrates 发明人:KHOSLA CHAITAN; PFEIFER BLAINE 权利人:UNIV LELAND STANFORD JUNIOR; KHOSLA CHAITAN; PFEIFER BLAINE 摘要:The use of enzymes which catalyze the production of starter and extender units for polyketides is described. In addition, modified loading modules are described, which can accept a variety of starting units such as substituted benzoates, and which can be used to generate substituted derivatives of natural products. These enzymes may be used to enhance the yield of polyketides that are natively produced or polyketides that are rationally designed. By using these techniques, the synthesis of a complete polyketide has been achieved in E. coli. Production can be enhanced in microbial organisms of polyketides and other secondary metabolites by delaying production until after exponential phase and by maintaining relatively constant nutrient levels in the medium. In addition, polyketide production can be enhanced by providing an expression system for a thioesterase II. Thus, by modifying the host organism and changing the culture conditions, synthesis of a secondary metabolite can be enhanced. The present invention also results in a host organism with desirable characteristics to be used in the production of such polyketides and to assess the results of gene shuffling.
专利号:US-9453037-B2 优先权日:2011-07-28 标 题 :Methylphenidate-prodrugs, processes of making and using the same 发明人:GUENTHER SVEN; CHI GUOCHEN; BERA BINDU; MICKLE TRAVIS; BERA SANJIB 权利人:KEMPHARM INC; KEMPHARM INC 摘要:The present technology is directed to prodrugs and compositions for the treatment of various diseases and/or disorders comprising methylphenidate, or methylphenidate derivatives, conjugated to at least one alcohol, amine, oxoacid, thiol, or derivatives thereof. In some embodiments, the conjugates further include at least one linker. The present technology also relates to the synthesis of methylphenidate, or methylphenidate derivatives, conjugated to at least one alcohol, amine, oxoacid, thiol, or derivatives thereof or combinations thereof.
专利号:US-4334079-A 优先权日:1980-11-03 标 题:Synthesis of substituted benzyl esters 发明人:GREENE JAMES M; BUNNELL CHARLES A 权利人:LILLY CO ELI 摘要:A process for preparing certain substituted benzyl esters of phenylacetic acids by esterification in a solvent in which the salt of the acid is insoluble, and in the presence of a phase transfer catalyst.
专利号:US-2002045220-A1 优先权日:1999-10-13 标题:Biosynthesis of polyketide synthase substrates 发明人:KHOSLA CHAITAN; PFEIFER BLAINE 摘要:The use of enzymes which catalyze the production of starter and extender units for polyketides is described. In addition, modified loading modules are described, which can accept a variety of starting units such as substituted benzoates, and which can be used to generate substituted derivatives of natural products. These enzymes may be used to enhance the yield of polyketides that are natively produced or polyketides that are rationally designed. By using these techniques, the synthesis of a complete polyketide has been achieved in E. col. This achievement permits a host organism with desirable characteristics to be used in the production of such polyketides and to assess the results of gene shuffling.
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