公开(公告)号：DE2633685A1

公开(公告)日：1978-02-02

申请号：DE2633685

申请日：1976-07-27

Applicant: BASF AG

Inventor： DAUMILLER GUENTHER DIPL CHEM D ,  MERKEL KARL DIPL CHEM DR ,  NEUMAYR FRANZ DIPL CHEM DR ,  SCHNEIDER KURT DIPL CHEM DR

IPC: C07D251/34

Abstract: A new compound, 1,3,5-tris-(2-chloroformyl-oxyethyl)-isocyanurate.

公开(公告)号：DE2624628A1

公开(公告)日：1977-12-22

申请号：DE2624628

申请日：1976-06-02

Applicant: BASF AG

Inventor： DAUMILLER GUENTHER DIPL CHEM D ,  FOUQUET GERD DIPL CHEM DR ,  MERGER FRANZ DIPL CHEM DR ,  NESTLER GERHARD DIPL CHEM DR ,  PLATZ ROLF DIPL CHEM DR

IPC: C07D301/02 ,  C07D303/04 ,  C07D301/00

Abstract: In the prodn. of propylene oxide (1) from propylene glycol 1,2-monoacetates (II) in the gas phase in the presence of basic materials (III), allyl acetate (IV) is reacted with excess acetic acid (V) in the presence of an organic sulphonated cation exchanger (VI) with a particle size of 10-200 mu m., which is suspended in the liquid reaction mixt. After removing the excess (V) from the mixt. of propylene glycol 1,2-diacetate (VII) and (V) formed, (VII) is hydrolysed to a mixt. of (VII) and (II) in 2:1 to 1:3 molar ratio with 50-200 mole % water in the presence of (VI). The unreacted water and (V) formed are removed, and the mixt. of (VII) and (II) is converted to (I) in the gas phase at 350-425 degrees C, in the presence of (III) and the (V) formed is recycled, whilst the unchanged (VII) and (II) are also recycled. The process avoids the use of dissolved noble metal catalysts and associated catalyst losses or very corrosive catalysts requiring cost appts. for corrosion prevention and recovery. (IV) is prepd. by reacting propylene with (V) and O2 in the gas phase on catalysts contg. Pd, giving a crude mixt. of (IV), (V) and water, which is dehydrated by azeotropic distn. with (IV) as reflux.