公开(公告)号：JPS6219572A

公开(公告)日：1987-01-28

申请号：JP16570786

申请日：1986-07-16

Applicant: BASF AG

Inventor： STROEFER ECKHARD ,  ROHR WOLFGANG ,  ROTERMUND GERHARD W ,  FISCHER ROLF ,  NEUDERT REINHARD

IPC: C07D231/06 ,  C07D231/54 ,  C07D231/56

公开(公告)号：AT82269T

公开(公告)日：1992-11-15

申请号：AT86109182

申请日：1986-07-04

Applicant: BASF AG

Inventor： STROEFER ECKHARD ,  ROHR WOLFGANG ,  ROTERMUND GERHARD W ,  FISCHER ROLF ,  NEUDERT REINHARD

IPC: C07D231/06 ,  C07D231/54 ,  C07D231/56

公开(公告)号：DE3525268A1

公开(公告)日：1987-01-29

申请号：DE3525268

申请日：1985-07-16

Applicant: BASF AG

Inventor： STROEFER ECKHARD ,  ROHR WOLFGANG ,  ROTERMUND GERHARD W ,  FISCHER ROLF ,  NEUDERT REINHARD

IPC: C07D231/06 ,  C07D231/54 ,  C07D231/56

Abstract: 1-Pyrazolines are prepared by oxidation of a 1,3-diamine with sodium hypochlorite and a peroxide in aqueous solution.

公开(公告)号：DE3687093D1

公开(公告)日：1992-12-17

申请号：DE3687093

申请日：1986-07-04

Applicant: BASF AG

Inventor： STROEFER ECKHARD ,  ROHR WOLFGANG ,  ROTERMUND GERHARD W ,  FISCHER ROLF ,  NEUDERT REINHARD

IPC: C07D231/06 ,  C07D231/54 ,  C07D231/56

Abstract: Prodn. of 1-pyrazolines of formula (I) is effected by (a) stirring a 10-30% aq. soln. of a 1,3-diaminopropane of formula (II) while simultaneously adding a 5-22 wt.% aq. hypochlorite soln. and a 20-50 wt.% aq. soln. of a hydro-peroxide of formula (III) in a hypochlorite: (III) molar ratio of 1:0.5-1.5, the temp. not being allowed to exceed 60 deg. C; (b) rapidly extracting (I) with a hydrophobic organic solvent at room temp.; and (c) distilling the extract in vacuo at a temp. below 100 deg.C: R1-R6 = H or 1-3C alkyl, or 2 such gps. on the same or adjacent C atoms linked to form 3-5C alkylene; R = H, 1-5C alkyl or 2-5C aliphatic acyl. Pref. a 15-19% hypochlorite soln. and a 40-50% H2O2 soln. are added at a rate such that the ClO- and H2O2 concn. never exceeds 5%.

公开(公告)号：ES2022271B3

公开(公告)日：1991-12-01

申请号：ES87117030

申请日：1987-11-19

Applicant: BASF AG

Inventor： HOFMEISTER PETER ,  KRIEG WOLFGANG ,  NEUDERT REINHARD ,  HAUPTMANN HAGEN

IPC: A01N43/20 ,  C07D303/12 ,  C07D303/32