公开(公告)号：DK0711274T3

公开(公告)日：1998-10-07

申请号：DK94924726

申请日：1994-07-08

Applicant: BASF AG

Inventor： KLEIN ULRICH DR ,  BUSCHMANN ERNST DR ,  KEIL MICHAEL DR ,  GITZ NORBERT DR ,  HARREUS ALBRECHT DR ,  HARREUS ALBRECHT ,  KLEIN ULRICH ,  KEIL MICHAEL ,  GITZ NORBERT ,  BUSCHMANN ERNST ,  ULRICH DR KLEIN ,  ERNST DR BUSCHMANN ,  MICHAEL DR KEIL ,  NORBERT DR GITZ ,  ALBRECHT DR HARREUS

IPC: C07C239/20

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.