Process for preparing 3,5,5-trimethylcyclohexa-2-en-1,4-dione

Details Process for preparing 3,5,5-trimethylcyclohexa-2-en-1,4-dione Process for preparing 3,5,5-trimethylcyclohexa-2-en-1,4-dione

1988-10-06

1990-02-06

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 4534

Patent

active

048989851

ABSTRACT:
3,5,5-Trimethylcyclohexa-2-en-1,4-diones is prepared by oxidizing 3,5,5-trimethylcyclohexa-3-en-one with molecular oxygen or a molecular oxygen-containing gas in the presence of an organic base and an organometallic complex catalyst comprising manganese, iron, cobalt or copper atom and at least four nitrogen atoms coordination-bonded thereto.

REFERENCES:
patent: 3944620 (1976-03-01), Becker et al.
patent: 4026947 (1977-05-01), Costantini et al.
patent: 4046813 (1977-09-01), Brenner
patent: 4092361 (1978-05-01), Costantini et al.
patent: 4393244 (1983-07-01), Bhaduri et al.
patent: 4568769 (1986-02-01), Yashima et al.

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