Process for the preparation of cyclic sulphates

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

1992-12-10

1993-12-28

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D32710

Patent

active

052741230

ABSTRACT:
##STR1## A method for preparing cyclic sulphates having general formula (I), wherein sulphuric anhydride and an alkylene oxide are simultaneously added to the dioxane. In general formula (I), R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and are a hydrogen atom of a C.sub.1-4 alkyl radical optionally substituted by a halogen atom.

REFERENCES:
patent: 3045027 (1962-07-01), Ham
patent: 3100780 (1963-08-01), Klass
patent: 3154526 (1964-10-01), Klass
patent: 3167572 (1965-01-01), Klass
patent: 4924007 (1990-05-01), Massonneau et al.
"The Merck Index," 10th ed., M. Windholz et al. eds., p. 1289 entry no. 8860, Merck & Co., Rahway, N.J. (1983).

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