Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-04-12
1992-05-26
Scalzo, Catherine S. Kilby
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549 34, C07D49928
Patent
active
051169991
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:
Chemical Abstract, 26, Biomolecules, vol. 108, 1988, #37943n.
Houben Weyl, vol. E11, Part 2, pp. 1194-1204 (1985).
Le Roy Pierre
Mandard-Cazin Bernadette
Kilby Scalzo Catherine S.
Rhone Poulenc Sante
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