公开(公告)号：CS216930B2

公开(公告)日：1982-12-31

申请号：CS388080

申请日：1980-06-02

Applicant: BASF AG

Inventor： ADERS WOLF-KARLO ,  MANGOLD DIETRICH ,  ROTERMUND GERHARD W

IPC: C07D231/12 ,  C07D231/14 ,  C07D231/16 ,  C07D231/18

公开(公告)号：CA1141390A

公开(公告)日：1983-02-15

申请号：CA352000

申请日：1980-05-15

Applicant: BASF AG

Inventor： ADERS WOLF-KARLO ,  MANGOLD DIETRICH ,  WAHL JOSEF ,  ROTERMUND GERHARD W

IPC: C07D231/12 ,  C07D231/14 ,  C07D231/16 ,  C07D231/18 ,  C07D237/06

Abstract: of the disclosure: Pyrazoles are prepared by reacting 1,3-dicarbonyl compounds with hydrazines and a less than equivalent amount of acid at a pH of from 0 to 6.9. The pyrazoles obtainable by the novel process are valuable starting materials for the preparation of dyes, crop protection agents and drugs.

公开(公告)号：DD151164A5

公开(公告)日：1981-10-08

申请号：DD22144780

申请日：1980-05-29

Applicant: BASF AG

Inventor： ADERS WOLF-KARLO ,  MANGOLD DIETRICH ,  WAHL JOSEF ,  ROTERMUND GERHARD W

IPC: C07D231/12 ,  C07D231/14 ,  C07D231/16 ,  C07D231/18