Enzyme catalyzed synthesis of methyl urethanes

Details Enzyme catalyzed synthesis of methyl urethanes Enzyme catalyzed synthesis of methyl urethanes

1990-01-08

1991-03-26

Elmore, Carolyn S.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing nitrogen-containing organic compound

435197, 435129, C12P 1300, C12P 1302

Patent

active

050028804

ABSTRACT:
The present invention relates to a process for making an isocyanate which comprises the steps of: (a) reacting an amine with dimethyl carbonate in the presence of a hydrolase enzyme catalyst, preferably at a temperature not exceeding 50.degree. C. to form a methyl urethane, and (b) subjecting said methyl urethane to an elevated temperature in order to thermally cleave the urethane to produce an isocyanate.

REFERENCES:
King et al, Biochemistry, 1987, 26, 2294-2300.
Chapman et al, Biochimica et Biophysica Acta, 527 (1978), 272-276.

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