CAS: 57597-62-3; 3,3-Dimethoxypropionitrile

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6191-98-6 14618-78-1 2032-34-0

上下游产品

CAS号67-56-1 甲醇 | CAS号107-13-1 丙烯腈 | CAS号6162-76-1 3-氧代丙腈 | CAS号149-73-5 原甲酸三甲酯 | CAS号64326-47-2 (E)-3-(phenylsu... | CAS号124-41-4 甲醇钠 | CAS号871-29-4 3-Chloroacrylon... | CAS号1070-71-9 丙炔腈 | CAS号111884-98-1 3-[[2,6-dichlor... | CAS号128564-63-6 2-(5-amino-4-ni... | CAS号116538-95-5 (9CI)-噻吩并[3,2-b... | CAS号65430-24-2 2-formyl-3-(2-m... | CAS号65430-25-3 3-(4-chlorophen... | CAS号65430-28-6 3-[4-(dimethyla... | CAS号825637-98-7 2-formyl-3-(2-m... | CAS号825638-07-1 3-(2-chlorophen... | CAS号825638-10-6 3-(2-cyano-3-ox... | CAS号825638-12-8 4-(2-cyano-3-ox...

📜N-(2-Cyano-1-Methoxyethyl)-N-Cyclohexylacetamide置于对甲苯磺酸体系中,用 甲醇 作为反应溶剂,化学反应 2.5H,以10%的收率获得产物氰基乙醛缩二甲醇
参考文献:A Practical Access To Methyl 3,3-Dimethoxypropionates And N-Protected .Beta.-Aminoacrylates And .Beta.-Aminoacrylonitrile By Using Electrochemical Procedure
标题:A Practical Access To Methyl 3,3-Dimethoxypropionates And N-Protected .Beta.-Aminoacrylates And .Beta.-Aminoacrylonitrile By Using Electrochemical Procedure
摘要:
DOI:10.1021/jo00221A038

专利信息

专利号:US-8252927-B2
优先权日:2008-07-22
标题:Synthesis of substituted 4-amino-pyrimidines
发明人：KARGE REINHARD; LETINOIS ULLA; SHIEFER GERHARD
权利人:KARGE REINHARD; LETINOIS ULLA; SHIEFER GERHARD; DSM IP ASSETS BV
摘要:The present invention is directed to a process for the manufacture of compounds of formula IV wherein R 1 is an amino protecting group, and R 2 is hydrogen or C 1-10 alkyl, comprising a) reacting a compound of formula Ia, wherein M + is a cation, preferably selected from the group consisting of Li + , Na+, K + , ½ Mg 2+ and ½ Zn 2+ , (formula 1 a ) with an ammonium salt NH 4 + X − , wherein X − is an anion, preferably selected from the group consisting of chloride, bromide, sulfate and acetate, in a solvent to a compound of formula II b) reacting a compound of formula II with a nitrile R 2 —CN in the presence of a base to a compound of formula IV. The present invention is further directed to compounds of formula II and their use for the manufacture of vitamin B 1 .

专利号:US-8198443-B2
优先权日:2007-01-19
标题 :Synthesis of 4-amino-pyrimidines scaffolds
发明人：BONRATH WERNER; HAERTER RALPH; KARGE REINHARD; LETINOIS ULLA
权利人:BONRATH WERNER; HAERTER RALPH; KARGE REINHARD; LETINOIS ULLA; DSM IP ASSETS BV
摘要:Process for the manufacture of a compound of the structure (I) with R1=hydrogen, alkyl (C1-C10, linear, cyclic or branched, aliphatic or aromatic), NR′R″ (wherein R′ and R″ are independently selected from H, alkyl [C1-C10, linear, cyclic or branched, aliphatic or aromatic] and R2=CH2R3 wherein R3 is selected from NHR1′″ (with R′″=C(O)H, C(O)CH3, C(O)alkyl, CH2C6H2(OMe)3 or other saponifiable residues), alkyl (C1-C10, linear, cyclic or branched) aromatic residues, heteroaryl residues, substituted aryl residues, e.g. 3,4,5-trimethoxy-phenyl) wherein 1 equivalent of an α-formyl-propionitrile salt is reacted with 0.75 to 2 equivalents of an acetamidine salt in the presence of a Lewis acid.

专利号:WO-0073273-A1
优先权日:1999-05-28
标题 :Process for the preparation of 2-halo-3-(3-quinolyl)propionic acid derivatives
发明人：SAKUMA SHOGO; ENDO TUYOSHI
权利人:NIPPON CHEMIPHAR CO; SAKUMA SHOGO; ENDO TUYOSHI
摘要:A process for the preparation of alkyl 3-(7-benzyloxy-3-quinolyl)-2-halopropionates useful as intermediates for the synthesis of 5-[(7-benzyloxy-3-quinolyl)methyl]-2,4-thiazolidinedione having an antihyperglycemic effect, which comprises using 7-benzyloxy-2-halo-3-quinolinecarbaldehyde or 7-hydroxy-3-quinolinenitrile as the starting material.

专利号:US-7094906-B2
优先权日:1998-04-20
标 题:Processes for preparing pesticidal intermediates
发明人：ANCEL JEAN-ERICK
权利人:BASF AGRO BV
摘要:The present invention relates to processes for the preparation of a compound of the formula n nwherein W is nitrogen or —CR 3 ; R 1 is halogen, haloalkyl, haloalkoxy, R 4 S(O) n — or —SF 5 ; R 2 is hydrogen or halogen; R 3 is halogen; R 4 is alkyl or haloalkyl; and n is 0, 1 or 2; and processes for using a compound of the formula (I) in the synthesis of compounds of the formula

专利号:EP-2102172-B1
优先权日:2007-01-19
标 题:Synthesis of 4-amino-pyrimidines

专利号:KR-101675604-B1
优先权日:2008-07-22
标题 :Novel synthesis of substituted 4-amino-pyrimidines