公开(公告)号：ES2178222T3

公开(公告)日：2002-12-16

申请号：ES98928192

申请日：1998-04-07

Applicant: BASF AG

Inventor： HENKELMANN JOCHEM ,  PREISS THOMAS ,  BOTTCHER ARND ,  GLEITER ROLF ,  DE BACKER CHRISTEL

IPC: C07C67/333 ,  C07B61/00 ,  C07C67/00 ,  C07C67/36 ,  C07C69/606 ,  C07C69/618

Abstract: PCT No. PCT/EP98/02021 Sec. 371 Date Oct. 13, 1999 Sec. 102(e) Date Oct. 13, 1999 PCT Filed Apr. 7, 1998 PCT Pub. No. WO98/46555 PCT Pub. Date Oct. 22, 1998A process for preparing 2-alkynoic esters of the general formula (I),R1-O-CO-C 3BOND C-R2(I)in which R1 and R2 independently are C1-16-alkyl, C6-12-aryl, C7-12-aralkyl or C7-12-alkylaryl radicals, and R2 can also be hydrogen, by reacting a chloroformate of the general formula (II),R1-O-CO-Cl(II)with an alkyne of the general formula (III),R2-C 3BOND C-H(III)is carried out in the presence of a Pt and/or Pd complex which has phosphine ligands and/or phosphite ligands as catalyst.

公开(公告)号：DE59804586D1

公开(公告)日：2002-08-01

申请号：DE59804586

申请日：1998-04-07

Applicant: BASF AG

Inventor： HENKELMANN JOCHEM ,  PREISS THOMAS ,  BOETTCHER ARND ,  GLEITER ROLF ,  DE BACKER CHRISTEL

IPC: C07C67/333 ,  C07B61/00 ,  C07C67/00 ,  C07C67/36 ,  C07C69/606 ,  C07C69/618

Abstract: PCT No. PCT/EP98/02021 Sec. 371 Date Oct. 13, 1999 Sec. 102(e) Date Oct. 13, 1999 PCT Filed Apr. 7, 1998 PCT Pub. No. WO98/46555 PCT Pub. Date Oct. 22, 1998A process for preparing 2-alkynoic esters of the general formula (I),R1-O-CO-C 3BOND C-R2(I)in which R1 and R2 independently are C1-16-alkyl, C6-12-aryl, C7-12-aralkyl or C7-12-alkylaryl radicals, and R2 can also be hydrogen, by reacting a chloroformate of the general formula (II),R1-O-CO-Cl(II)with an alkyne of the general formula (III),R2-C 3BOND C-H(III)is carried out in the presence of a Pt and/or Pd complex which has phosphine ligands and/or phosphite ligands as catalyst.