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Title:
【発明の名称】シクロプロパンカルボン酸及びそれらの中間体の製造方法
Document Type and Number:
Japanese Patent JP3457005
Kind Code:
B2
Abstract:
PCT No. PCT/DK96/00326 Sec. 371 Date Jan. 20, 1998 Sec. 102(e) Date Jan. 20, 1998 PCT Filed Jul. 17, 1996 PCT Pub. No. WO97/03941 PCT Pub. Date Feb. 6, 1997The compounds 3-(2,2-dichloro-3,3,3-trifluoro-1-hydroxypropyl)-2,2-dimethyl-(1R,cis)-cyclopropane carboxylic acid, cis-3-(2,2-dichloro-3,3,3-trifluoro-1-hydroxypropyl)-2,2-dimethyl-cyclopropane carboxylic acid and (1R,5S)-4-(1,1-dichloro-2,2,2-trifluoroethyl)-6,6-dimethyl-3-oxabicyclo[3.1.0]hexan-2-one occur as intermediates in a process for the preparation of insecticidally active cyclopropane carboxylate esters, said process starting from 6,6-dimethyl-4-hydroxy-3-oxabicyclo[3.1.0]hexan-2-one (Biocartol) which is reacted with the compound CF3-CC1X2 (X=halogen) in the presence of zinc.

Inventors:
Kremmensen, Per Dausel
Colin-Andersen, Hans
Winkelman, Ivy
Application Number:
JP50618997A
Publication Date:
October 14, 2003
Filing Date:
July 17, 1996
Export Citation:
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Assignee:
Cheminova Agro Actieselsk
International Classes:
B01J23/06; C07B61/00; C07C51/09; C07D307/33; C07C51/377; C07C61/35; C07C61/40; C07C62/02; C07D307/93; (IPC1-7): C07C51/09; C07C61/40
Domestic Patent References:
JP62228032A
JP5412367A
Attorney, Agent or Firm:
Tadashi Hagino (3 outside)