Title:
【発明の名称】O-置換ヒドロキシルアンモニウム塩の製法
Document Type and Number:
Japanese Patent JPH09500626
Kind Code:
A
Abstract:
PCT No. PCT/EP94/02239 Sec. 371 Date Jan. 11, 1996 Sec. 102(e) Date Jan. 11, 1996 PCT Filed Jul. 8, 1994 PCT Pub. No. WO95/04032 PCT Pub. Date Feb. 9, 1995Preparation of O-substituted hydroxylammonium salts IR1-CHX-O-NH2.HL(I)(L=halogen, hydrogensulfate; X=H, alkyl; R1=unsubst. or subst. phenyl, thienyl, furanyl, pyrrolyl or -CR2=CR3R4; R2, R3, R4=H, halogen or alkyl) by reaction of an acetone oxime O-allyl or -O-benzyl ether II (II) with water and a mineral acid H-L with continuous removal of the acetone formed in this process, by carrying out the hydrolysis batchwise at 0 DEG -50 DEG C. and under a pressure of 10-500 mbar is described. The O-substituted hydroxylammonium salts I are intermediates for plant protection agents and pharmaceuticals.
Inventors:
Klein, Ulrich
Buschmann, Ernst
Kyle, Michael
Getz, norbert
Halois, albrecht
Buschmann, Ernst
Kyle, Michael
Getz, norbert
Halois, albrecht
Application Number:
JP50421895A
Publication Date:
January 21, 1997
Filing Date:
July 08, 1994
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C07C239/20; (IPC1-7): C07C239/20
Attorney, Agent or Firm:
Tajiro Taiji (1 person outside)