Process for preparing unsaturated six-membered lactones

Details Process for preparing unsaturated six-membered lactones Process for preparing unsaturated six-membered lactones

1983-10-11

1985-12-31

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30932

Patent

active

045622701

ABSTRACT:
There are disclosed and claimed substituted cyclic lactones and process for preparation thereof. In particular, there are disclosed substituted cyclic lactones having alkyl substituents on the ring, especially such lactones having substituents on the ring of which two on the same carbon atom.
Additionally, the invention herein disclosed and claimed relates to a process for the preparation of lactones by heating a six-membered hydroxy substituted lactone in the presence of a catalyst.

REFERENCES:
patent: 4235780 (1980-11-01), Kondo et al.
patent: 4237058 (1980-12-01), Kondo et al.
Aumann et al., Chem. Abs. 92:111134r.

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