公开(公告)号：SK104197A3

公开(公告)日：1998-10-07

申请号：SK104197

申请日：1996-02-10

Applicant: BASF AG

Inventor： TELES JOAQUIM H ,  SCHNURR WERNER ,  FISCHER ROLF ,  RIEBER NORBERT ,  SHULZ MICHAEL

IPC: C07C45/41 ,  C07D301/14 ,  C07D303/04

Abstract: PCT No. PCT/EP96/00578 Sec. 371 Date Aug. 5, 1997 Sec. 102(e) Date Aug. 5, 1997 PCT Filed Feb. 10, 1996 PCT Pub. No. WO96/26198 PCT Pub. Date Aug. 29, 1996Preparation of epoxides from olefins by means of aromatic peroxycarboxylic acids comprises a step A of epoxidizing the olefin and removing the resulting aromatic carboxylic acid from the epoxide, a step B of catalytically hydrogenating the removed aromatic carboxylic acid to the corresponding aromatic aldehyde, and a step C of oxidizing this aldehyde with oxygen or an oxygen-containing gas mixture back to the aromatic peroxycarboxylic acid for re-use for epoxidizing an olefin.