专利号:US-4284582-A 优先权日:1978-04-28 标 题 :Process for the preparation of cyclopropane derivatives, intermediates in the synthesis of pyrethroid insecticides 发明人:KAYE ALBERT E; TUCKER ALAN C 权利人:ICI LTD 摘要:Compounds of formula: wherein both groups X are chlorine, bromine or trifluoromethyl, or one X is chlorine or bromine and the other is trifluoromethyl, and Y is -CN or -COOR in which R is an alkyl group, are obtained by (A) reacting a compound of the formula: wherein X1 is chlorine or bromine, with a compound of the formula: X2C=CH-CH=C(CH3)2 in the presence of metallic copper or at least one copper salt and a base, or (B) reacting a compound of the formula: Y-CH2-CN with a compound of the formula: X2C=CH-CH=C(CH3)2 and chlorine or bromine, in the presence of at least one reducible copper salt and a base, or (C) reacting a compound of formula: X-CH2-CN with a compound of the formula: wherein X1 is chlorine or bromine, in the presence of at least one copper salt. The compounds are intermediates in the synthesis of pyrethroid insecticides.
专利号:WO-2021152055-A1 优先权日:2020-01-31 标 题:Process for the manufacture of haloalkyl substituted pyridine compounds 发明人:JAUNZEMS JANIS; NAUERT STEFANIE; SCHMITT ETIENNE; SCHULZ ALEXANDER; CLAASSEN UTA 权利人:SOLVAY 摘要:Process for the manufacture of haloalkyl substituted pyridine compounds The present invention relates to a process for the synthesis of haloalkyl substituted pyridine compounds, a process for manufacturing a pharmaceutically or agriculturally active compound, preferably a herbicidal compound, and a haloalkyl substituted pyridine compound.
专利号:BR-102012016838-A2 优先权日:2012-06-29 标题 :SYNTHESIS OF CYANOACRYLATE MONOMERS FOR AVAILABILITY IN THE PRODUCTION OF TOPIC ADHESIVES
专利号:EP-0007154-B1 优先权日:1978-04-28 标题:Process for the preparation of cyclopropane derivatives, intermediates in the synthesis of pyrethroid insecticides
专利号:US-2017275300-A1 优先权日:2014-08-15 标题 :Synthesis of cephalosporin compounds
专利号:EP-0007154-A1 优先权日:1978-04-28 标 题 :Process for the preparation of cyclopropane derivatives, intermediates in the synthesis of pyrethroid insecticides