Process for the preparation of cyclic sulphates

Details Process for the preparation of cyclic sulphates Process for the preparation of cyclic sulphates

1989-09-06

1990-10-02

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D32710

Patent

active

049609041

ABSTRACT:
Cyclic sulphates of formula: ##STR1## are prepared by oxidation of a cyclic sulphite of formula: ##STR2## with a hypohalite of an alkali or alkaline-earth metal and a catalytic quantity of a ruthernium derivative (RuO.sub.2, RuCl.sub.3). In formulae (I) and (II), R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are identical or different and each represents hydrogen, halogen, alkyl, alkoxy, aryl, aryloxy or alkoxycarbonyl.

REFERENCES:
J. Chem. Soc., Chem. Commun., 1983, pp. 1392-1394.
Chem. Abstracts, vol. 108, 1998, Abst. No. 37493n.

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