Process for preparing di-tert.-butyl dicarbonate

Details Process for preparing di-tert.-butyl dicarbonate Process for preparing di-tert.-butyl dicarbonate

1991-07-16

1992-09-29

Dees, Jose G.

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

Organic compounds

Carbonate esters

C07C 6996

Patent

active

051515423

ABSTRACT:
Di-tert.-butyl dicarbonate having a high purity is prepared by reacting alkali metal tert.-butyl carbonate with methanesulfonyl chloride optionally in the presence of a phase transfer catalyst or an aromatic amine.

REFERENCES:
Chemical Abstracts, vol. 109, No. 2, issued Jul. 11, 1988 (Columbus, Ohio, U.S.A.), Borovicka et al., "Manufacture of di-tertiary-butyl dicarbonane", Abs. No. 8418g.
Chemical Abstracts, vol. 109, No. 2, issued Jul. 11, 1988 (Columbus, Ohio, U.S.A.) Trojanek et al., "Process for the manufacture of di-tertiary-butyl dicarbonane", Abs. No. 8419h.
Chemical Abstracts, vol. 111, No. 11, issued Sep. 11, 1989 (Columbus, Ohio, U.S.A.) Trojanek et al., "Preparation of di-tert-butyl dicarbonate as a peptide reagent", Abs. No. 96670c.
Chemical Abstracts, vol. 111, No. 25, issued Dec. 18, 1989 (Columbus, Ohio, U.S.A.) Borovicka et al., "Preparation of di-tert-butyl dicarbonate", Abs. No. 232083t.
J. Org. Chem., vol. 43, No. 12, 1978.
Org. Synth., 57, 45 (1975).
Zh. Org. Khim. 15(1), 106-9, 1979.

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