Title:
鏡像異性体的に純粋なピレトロイド殺虫剤の調製のための方法
Document Type and Number:
Japanese Patent JP5047441
Kind Code:
B2
Abstract:
A process for producing compounds of formula (VIIa) and (VIIb) wherein X is a leaving group; Y and Y<1 >are idependently Cl or Br; and Z is Cl, Br or a haloalkyl group which process comprises a) reacting a compound of formula (VII) wherein X, Y, Y<1 >and Z are as defined for compounds (VIIa) and (VIIb) with a substantially optically pure chiral amine in a solvent to form a diastereoisomeric salt; b) separating the diastereomeric salt of each enantiomer; c) converting the diastereomeric salt of each anantiomer separately to compounds of formulae (VIIa) and (VIIb) respectively by acid or base hydrolysis, the use of the compounds in making pyrethroid insecticides and novel intermediates.
Inventors:
Brown, stephan martin
Gott, Brian David
Gott, Brian David
Application Number:
JP2002512109A
Publication Date:
October 10, 2012
Filing Date:
July 16, 2001
Export Citation:
Assignee:
Syngenta Limited
International Classes:
C07C51/487; A01N53/06; C07C67/14; C07B53/00; C07B57/00; C07C51/09; C07C51/377; C07C51/41; C07C51/60; C07C53/21; C07C55/32; C07C55/40; C07C61/15; C07C61/40; C07C69/63; C07C69/74; C07C69/747
Domestic Patent References:
| JP61044835A | ||||
| JP56097251A | ||||
| JP11511742A | ||||
| JP54112820A | ||||
| JP54115352A | ||||
| JP52125121A | ||||
| JP51143648A | ||||
| JP56015244A |
Other References:
MCDONALD,E. et al.,Rationale in the invention and optimisation of tefluthrin, A pyrethroid for use in soil,British Crop Protection Conference-Pests and Diseases,1986年,Vol.1,p.199-206
日本化学会,実験化学講座 18 有機化合物の反応II(上),丸善株式会社,1957年11月25日,第531頁~第534頁
日本化学会,実験化学講座 18 有機化合物の反応II(上),丸善株式会社,1957年11月25日,第531頁~第534頁
Attorney, Agent or Firm:
Shinjiro Ono
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroko Ejiri
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroko Ejiri