Invention Grant
- Patent Title: Process for the manufacture of pivalolactone
- Patent Title (中): 制备新戊内酯的方法
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Application No.: US32325373Application Date: 1973-01-12
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Publication No.: US3883562APublication Date: 1975-05-13
- Inventor: ARPE HANS-JURGEN , HORNIG LOTHAR HEINZ
- Applicant: HOECHST AG
- Assignee: Hoechst AG
- Current Assignee: Hoechst AG
- Priority: US32325373 1973-01-12; DE1923703 1969-05-09; US3464070 1970-05-04
- Main IPC: C07D315/00
- IPC: C07D315/00 ; C07D3/00
Abstract:
A process for the manufacture of pivalolactone from the anhydride of a Beta -acyloxypivalic acid or the mixed anhydride of a Beta -acyloxypivalic acid with a low aliphatic carboxylic acid with up to 5 carbon atoms by thermal splitting at temperatures within the range of from 150*C to 350*C on catalysts supported on carriers.
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