Process for producing 1,3-dioxin-4-one derivatives

Details Process for producing 1,3-dioxin-4-one derivatives Process for producing 1,3-dioxin-4-one derivatives

1985-06-27

1986-09-16

Torrence, Dolph H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31906

Patent

active

046123792

ABSTRACT:
A process for producing 1,3-dioxin-4-one derivatives having a lower alkyl group at 2-position and useful as a starting raw material for prostaglandins, with a high yield is provided, which process comprises reacting formyl Meldrum's acid with a lower aliphatic carbonyl compound of 2 to 4 carbon atoms in a solvent containing the carbonyl compound at 100.degree. to 120.degree. C., while portionwise adding the acid into the solvent, the total quantity of the acid added being 0.2 mol or less per liter of the solvent.

REFERENCES:
Sato et al, Chem. Pharm. Bull., 31 (6), pp. 1896-1901 (1983).

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