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Title:
【発明の名称】ヒドロキシルアミンエーテルおよびその塩の製造方法ならびにそのための中間生成物
Document Type and Number:
Japanese Patent JP3481623
Kind Code:
B2
Abstract:
PCT No. PCT/EP93/03597 Sec. 371 Date Jun. 6, 1995 Sec. 102(e) Date Jun. 6, 1995 PCT Filed Dec. 17, 1993 PCT Pub. No. WO94/14757 PCT Pub. Date Jul. 7, 1994Hydroxylamine ethers I I (where X is NO2, CN, halogen, alkyl or haloalkyl, Y is H, NO2, CN, halogen, alkyl or haloalkyl, n is 0-2 or 1-4 where Y and all radicals X are halogen and Alk is unsubstituted or substituted alkylene) and their salts with mineral acids or strong organic acids are prepared by reacting either a hydroximino compound II II (where R1 is alkyl, R2 is alkyl or alkoxy or R1+R2 form an alkylene chain) in the presence of an alkali metal hydroxide, alkali metal alcoholate, alkali metal bicarbonate or alkali metal carbonate as the base, or the corresponding anion II directly, with an alkylating agent III III (where R3 is unsubstituted or substituted alkyl or unsubstituted or substituted phenyl) to give an oximino derivative IV IV said derivative is cleaved by means of a mineral acid or a strong organic acid to give the salt of I and, if desired, the latter is converted by means of a base into the free compound I. The hydroxylamine ethers I are intermediates for crop protection agents and drugs.

Inventors:
Halois, albrecht
Getz, norbert
Volker
Lang, halalt
Misritz, Wolf
Klein, Ulrich
Application Number:
JP51478694A
Publication Date:
December 22, 2003
Filing Date:
December 17, 1993
Export Citation:
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Assignee:
BASF Akchen Gezel Shaft
International Classes:
C07C251/54; C07C253/30; C07C255/54; C07C259/06; C07C239/20; (IPC1-7): C07C239/20; C07C251/54; C07C253/30; C07C255/54
Other References:
【文献】Heterocycles,Vol.20,No.5(1983)p.839-p.843
Attorney, Agent or Firm:
Yusuke Hiraki (2 outside)