Process for the preparation of 3-carbamoyl cephalosporins using

Details Process for the preparation of 3-carbamoyl cephalosporins using Process for the preparation of 3-carbamoyl cephalosporins using

1976-11-17

1980-07-01

Daus, Donald G.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

260453AL, 260558R, 560115, 560 24, C07D50126, C07D50128, C07D50132, C07D50134

Patent

active

042107504

ABSTRACT:
Alcohols are reacted with certain isocyanate compounds to produce the N-substituted carbamoyloxy derivatives which are cleaved to obtain the carbamate.

REFERENCES:
patent: 3355452 (1967-11-01), Urech et al.
patent: 3573296 (1971-03-01), Johnson et al.
patent: 3726865 (1973-04-01), Bickel et al.
Fieser et al., "Reagents for Organic Synthesis," vol. 2, pp. 425-426 (1969).
Fieser et al., "Reagents for Organic Synthesis," vol. 2, pp. 117-1219, (1967).
Hedin et al., "Reagents for Organic Synthesis," No. 3, pp. 403-406 (1970).

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