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Title:
O-フェノキシアルキルヒドロキシルアミンまたはO-フェノキシアルキルオキシム異性体混合物を製造する方法
Document Type and Number:
Japanese Patent JP4108743
Kind Code:
B2
Abstract:
PCT No. PCT/EP95/01581 Sec. 371 Date Nov. 4, 1996 Sec. 102(e) Date Nov. 4, 1996 PCT Filed Apr. 26, 1995 PCT Pub. No. WO95/30648 PCT Pub. Date Nov. 16, 1995Preparation of mixtures of O-phenoxyalkylhydroxylamines Ia and Ib (Ia): H2NOCH2CH(R1)OAr (Ib): H2NOCH(R1)CH2OAr and the corresponding salt mixtures by a) converting mixtures of isomers of O-(2-hydroxyethyl)oximes IIa and IIb (IIa): (III): into a mixture of sulfonates IVa and IVb (IVa): (IVb): b) reacting this mixture of IVa and IVb with a phenol HO-Ar (V) to give a mixture of O-phenoxyalkoximes VIa and VIb (VIa): (VIb): c) hydrolyzing this mixture in the presence of an acid and, if desired d) liberating the O-phenoxyalkylhydroxylamines Ia and Ib from the resulting salts using a mineral acid. Compounds Ia/Ib and VIa/VIb are important intermediates for crop protection agents.

Inventors:
Lang, halalt
Getz, norbert
Halois, albrecht
Borgers, Dirk
Hartmann, Horst
Volker
Highman, frank
Bushurte, Thomas
Application Number:
JP52864395A
Publication Date:
June 25, 2008
Filing Date:
April 26, 1995
Export Citation:
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Assignee:
BASF SE
International Classes:
B01J23/02; B01J31/02; C07C239/20; C07B61/00; C07C249/12; C07C251/54; C07C309/66
Domestic Patent References:
JP58150559A
Foreign References:
WO1993016033A1
Attorney, Agent or Firm:
Yusuke Hiraki
Ishii Teiji
Satoshi Fujita
Eiichi Arai