Process for preparing methyl chlorosulfates

Details Process for preparing methyl chlorosulfates Process for preparing methyl chlorosulfates

1985-08-05

1987-03-10

Chan, Nicky

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

Organic compounds

Sulfonate esters

558 54, C07C14368

Patent

active

046492097

ABSTRACT:
A process for preparing methyl chlorosulfates by reacting methylene chloride with sulfur trioxide, stabilizing and distilling the reaction mixture, and recovering at least one methyl chlorosulfate as a distillate is disclosed. Preferably, the reaction produces two methyl chlorosulfates, i.e. chloromethyl chlorosulfate and methylene bis-(chlorosulfate), which are separated and recovered by fractional distillation.

REFERENCES:
Buncel, Chemical Reviews, Chlorosulfates, vol. 70, pp. 323-327 (1970).
Binderup et al., Synthetic Comm., 14(a), pp. 857-864 (1984).

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