CAS: 6280-87-1; 5-Chlorovaleronitrile

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5-羟基-戊腈置于氯化亚砜,苯体系中,化学反应生成 5-氯戊腈
参考文献:Gerecs; Windholz,Acta Chimica Academiae Scientiarum Hungaricae,1958,Vol. 14,P. 333,335
标题:Gerecs; Windholz,Acta Chimica Academiae Scientiarum Hungaricae,1958,Vol. 14,P. 333,335

专利信息

专利号:US-5367113-A
优先权日:1991-10-30
标题 :Method for synthesis of desferrioxamine B, analogs and homologs thereof
发明人：BERGERON JR RAYMOND J
权利人:UNIV FLORIDA
摘要:Synthesis of desferrioxamine B and analogs and homologs thereof beginning with O-protected, N-protected hydroxylamine, which is N-alkylated to produce a protected N-4-cyanoalkylhydroxylamine which is acylated with a suitable anhydride. The resulting half-acid amide is subjected to a series of high yield condensations and reductions which vide desferrioxamine B in high overall yield. Alternatively, polyether analogs of desferrioxamine B can be prepared by reacting an activated polyether with the O-protected, N-protected hydroxylamine and subjecting the resulting product to a series of similar steps.

专利号:US-4987253-A
优先权日:1988-09-19
标 题 :Method for the synthesis of desferrioxamine B and analogs thereof
发明人：BERGERON RAYMOND J
权利人:UNIV FLORIDA
摘要:Disclosed is a synthesis of desferrioxamine B and analogs and homologs thereof beginning with the generation of the O-protected N-(4-cyanobutyl)hydroxylamine which is acylated at the O-benzylhydroxylamine nitrogen with either succinic or acetic anhydride. The resulting half-acid amide or amide respectively, is subjected to a series of high yield condensations and reductions which provide desferrioxamine B in 45% overall yield. Finally, a desamino analog of desferrioxamine is prepared in order to demonstrate the synthetic utility of the scheme as applied to desferrioxamine derivatives.

专利号:WO-2024174285-A1
优先权日:2023-02-21
标题:Method for preparing halogenated compound from metal halide salt on basis of mobile phase
发明人：SU REN; Ye Jiani
权利人:UNIV SOOCHOW
摘要:Disclosed is a method for preparing a halogenated compound from a metal halide salt on the basis of a mobile phase. The method comprises: converting an aromatic hydrocarbon, alkane or nitrile compound into a halogenated compound by means of a cheap metal halide salt and a photocatalyst under illumination. The method uses a cheap and safe halide salt as a halogen source, does not introduce additional elemental halogen or an additional oxidant, can implement a reaction at normal temperature and normal pressure, is high in terms of selectivity and friendly to environment, and can be used for replacing an existing synthesis reaction system for halogenated compounds. A mobile phase device is used to replace a tank reactor, such that operation is easy and convenient, the price is low, the substrate adaptability is high, the continuous synthesis of halogenated compounds can be achieved, and the method is suitable for industrial large-scale production.

专利号:WO-2009049476-A1
优先权日:2007-09-20
标题 :Process for the manufacture of (+)-biotin
发明人：CHEN FEN-ER; DAI HUI-FANG; HUANG JIAN; XIONG FEI; JING SHU-PING
权利人:DSM IP ASSETS BV; UNIV FUDAN; CHEN FEN-ER; DAI HUI-FANG; HUANG JIAN; XIONG FEI; JING SHU-PING
摘要:Disclosed are processes for preparing synthetic biotin intermediates and a process for preparing biotin using said intermediates. In particular, disclosed is a process for the stereoselective total synthesis of the natural product (+)-biotin of formula (I).

专利号:US-5364965-A
优先权日:1992-12-09
标题 :Analogs of desferrioxamine B and method for synthesis thereof
发明人：BERGERON JR RAYMOND J
权利人:UNIV FLORIDA
摘要:The invention relates to novel analogs of desferrioxamine, homologs thereof and methods for their synthesis.

专利号:US-5254724-A
优先权日:1991-10-30
标 题:Method for synthesis of desferrioxamine B, analogs and homologs thereof