公开(公告)号：PT1104397E

公开(公告)日：2004-05-31

申请号：PT99940069

申请日：1999-07-28

Applicant: BASF AG

Inventor： THYES MARCO ,  FALKENBERG WOLFGANG ,  WENZ CONNY ,  SCHNEIDER ULRICH

IPC: C07B61/00 ,  C07C67/343 ,  C07C69/618

Abstract: A process for preparing ethyl atropate by reacting ethyl phenylacetate with paraformaldehyde in the presence of a base is described and entails employing as ethyl phenylacetate a product which contains not more than 0.03% of the corresponding methyl phenylacetate, and carrying out the reaction in N-methyl-pyrrolidone or N,N-dimethylformamide.

公开(公告)号：AT260883T

公开(公告)日：2004-03-15

申请号：AT99940069

申请日：1999-07-28

Applicant: BASF AG

Inventor： FALKENBERG WOLFGANG ,  THYES MARCO ,  WENZ CONNY ,  SCHNEIDER ULRICH

IPC: C07B61/00 ,  C07C67/343 ,  C07C69/618

Abstract: A process for preparing ethyl atropate by reacting ethyl phenylacetate with paraformaldehyde in the presence of a base is described and entails employing as ethyl phenylacetate a product which contains not more than 0.03% of the corresponding methyl phenylacetate, and carrying out the reaction in N-methyl-pyrrolidone or N,N-dimethylformamide.

公开(公告)号：ES2217795T3

公开(公告)日：2004-11-01

申请号：ES99940069

申请日：1999-07-28

Applicant: BASF AG

Inventor： FALKENBERG WOLFGANG ,  THYES MARCO ,  WENZ CONNY ,  SCHNEIDER ULRICH

IPC: C07B61/00 ,  C07C67/343 ,  C07C69/618

Abstract: A process for preparing ethyl atropate by reacting ethyl phenylacetate with paraformaldehyde in the presence of a base is described and entails employing as ethyl phenylacetate a product which contains not more than 0.03% of the corresponding methyl phenylacetate, and carrying out the reaction in N-methyl-pyrrolidone or N,N-dimethylformamide.

公开(公告)号：DE59908757D1

公开(公告)日：2004-04-08

申请号：DE59908757

申请日：1999-07-28

Applicant: BASF AG

Inventor： FALKENBERG WOLFGANG ,  THYES MARCO ,  WENZ CONNY ,  SCHNEIDER ULRICH

IPC: C07B61/00 ,  C07C67/343 ,  C07C69/618

Abstract: A process for preparing ethyl atropate by reacting ethyl phenylacetate with paraformaldehyde in the presence of a base is described and entails employing as ethyl phenylacetate a product which contains not more than 0.03% of the corresponding methyl phenylacetate, and carrying out the reaction in N-methyl-pyrrolidone or N,N-dimethylformamide.