CAS: 35356-70-8; Methyl 2-Acetamidoacrylate

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CAS号5429-56-1 2-乙酰氨基丙烯酸 | CAS号74-88-4 碘甲烷 | CAS号18635-38-6 N-乙酰基-3-氯-L-丝氨酸甲酯 | CAS号60-35-5 乙酰胺 | CAS号600-22-6 丙酮酸甲酯 | CAS号81629-61-0 methyl 2-azidop... | CAS号108-24-7 乙酸酐 | CAS号5619-04-5 DL-丝氨酸甲酯盐酸盐 | CAS号5634-53-7 2-(Hydroxyimino... | CAS号114301-30-3 methyl mercaptu... | CAS号3172-56-3 3,3'-双噻吩 | CAS号1227732-30-0 2-乙酰氨基-3-(3-噻吩基)丙酸甲酯 | CAS号14996-34-0 Acetamide,N-(3-... | CAS号19914-36-4 N-乙酰基-D-丙氨酸甲酯 | CAS号3619-02-1 N-乙酰基-L-丙氨酸甲酯 | CAS号3618-96-0 N-乙酰基-L-苯丙氨酸甲酯 | CAS号21156-62-7 (R)-2-乙酰氨基-3-苯基丙酸甲酯 | CAS号52386-78-4 methyl 2-acetam... | CAS号56-41-7 L-丙氨酸 | CAS号26629-33-4 2-乙酰氨基丙酸甲酯

N-乙酰-L-半胱氨酸置于1,4-二碘代丁烷,Potassium Carbonate体系中,用 甲醇,N,N-二甲基甲酰胺 用作溶剂,化学反应 20.0H,反应生成2-乙酰胺基丙烯酸甲酯
参考文献:通过β,γ-C,S硫-迈克尔加成反应化学合成n-末端半胱氨酸硫酯
标题:通过β,γ-C,S硫-迈克尔加成反应化学合成n-末端半胱氨酸硫酯
摘要:脱氢丙氨酸(δala)是高度亲电的残基,可与硫亲核试剂有效反应,提供半胱氨酰类似物.本文中,我们报告了基于β,γ-C,S硫醇-迈克尔加成法的n端半胱氨酸硫酯的有效合成方法,适用于s,N-酰基转移.发现基于离子方法和基于自由基的方法对于该过程都是有效的.
Doi:10.1021/acs.Orglett.9B01013

专利信息

专利号:US-5827794-A
优先权日:1994-02-22
标 题 :Supported highly-polar liquid phase chiral sulfonated binap catalyst for asymmetric synthesis of optically active compounds
发明人：DAVIS MARK E; WAN KAM TO
权利人:CALIFORNIA INST OF TECHN
摘要:The present invention relates to water soluble chiral sulfonated 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl and its use as organometallic catalysts for asymmetric synthesis of optically active compounds. Asymmetric reactions of the present invention include those reactions in which organometallic catalysts are commonly used. Such reactions include, but are not limited to, reduction and isomerization reactions on unsaturated substrates and carbon--carbon bond forming reactions. Examples of such reactions include, but are not limited to, hydrogenation, hydroboration, hydrosilylation, hydride reduction, hydroformylation, alkylation, allylic alkylation, arylation, alkenylation, epoxidation, hydrocyanation, disilylation, cyclization and isomerization reactions. n The catalysts of the present invention provide the advantage of functioning in the presence of water without loss in enantioselectivity relative to the nonsulfonated BINAP catalyst in an organic solvent. As a result, the catalysts of the present invention may be employed in water, water miscible solvents, in aqueous--organic two phase solvent systems and in supported aqueous phase catalysts in organic solvents without loss in enantioselectivity. Further, the catalysts of the present invention may also be effectively employed in highly polar solvents such as primary alcohols and ethylene glycol. n The present invention also relates to a method for conducting asymmetric reactions on prochiral unsaturated bonds contained within a compound using the water soluble chiral sulfonated 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl organometallic catalysts of the present invention.

专利号:US-7230135-B2
优先权日:2000-12-13
标 题 :Synthesis of P-chiral bisphospholane ligands and their transition metal complexes for use as asymmetric hydrogenation catalysts
发明人：HOGE II GARRETT STEWART; GOEL OM PRAKASH
权利人:WARNER LAMBERT CO
摘要:P-chiral bisphospholane ligands and methods for their preparation are described. Use of metal/P-chiral bisphospholane complexes to catalyze asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds is also described.

专利号:US-2023212107-A1
优先权日:2021-12-30
标 题:Synthesis of para-alkylated syringyl (meth)acrylate derivatives and photopolymerizable compositions for additive manufacturing in dental applications
发明人：CHOUDHARY UMESH UPENDRA; SU JESSICA KALAY
权利人:ALIGN TECHNOLOGY INC
摘要:The present disclosure provides polymerizable monomers which may be used as reactive diluents in additive manufacturing. The polymerizable monomers may have low vapor pressures and may be compatible with a range of low glass transition temperature oligomers.

专利号:US-7696349-B2
优先权日:2003-11-25
标 题 :Method for asymmetric synthesis
发明人：JAEKEL CHRISTOPH; VOLLAND MARTIN; MACKEWITZ THOMAS; PACIELLO ROCCO; BREIT BERNHARD; SEICHE WOLFGANG; WEIS MARTINE; WALOCH CHRISTOPH
权利人:BASF SE
摘要:The present invention relates to a process for asymmetric synthesis in the presence of a chiral catalyst comprising at least one complex of a metal of transition group VIII with ligands capable of dimerization via noncovalent bonds, such catalysts and their use.

专利号:US-9707553-B2
优先权日:2011-07-11
标题 :P-chirogenic organophosphorus compounds
发明人：JUGE SYLVAIN; BAYARDON JEROME; REMOND EMMANUELLE; LAUREANO HUGO; HENRY JEAN-CHRISTOPHE; LEROUX FREDERIC; COLOBERT FRANCOISE
权利人:CENTRE NAT DE LA RECH SCIENT (CNRS); UNIV BOURGOGNE; UNIV STRASBOURG; SYNTHELOR SAS
摘要:P-chirogenic organophosphorus compounds of general formula (I), a process for the synthesis of the compounds of formula (I), and intermediate products of general formulae (II), (III) and (IV), as shown below, are involved in the synthesis of compounds (I). n n n n n n n n n n Metal complexes comprising compounds (I) as ligands are also described. The compounds and complexes are useful in asymmetric catalysis by transition metal complexes or organocatalysis, especially for asymmetric hydrogenation or allylation. Compounds of general formula (I) may be useful as agrochemical and therapeutic substances, or as reagents or intermediates for fine chemistry.

专利号:US-2003236433-A1
优先权日:2000-12-13
标题 :Synthesis of P-chiral bisphospholane ligands and their transition metal complexes for use as asymmetric hydrogenation catalysts