Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-02-11
1976-06-01
Schwartz, Gerald A.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260243C, C07C49944
Patent
active
039608441
ABSTRACT:
A 7-acylamino-3-hydroxy-3-methylcepham-4-carboxylic acid ester is reacted with a mixture of a halogenating agent and a tertiary carboxamide to produce a 2-halomethylpenam compound, a useful intermediate for the preparation of desacetoxycephalosporins.
REFERENCES:
kukolja et al, J.A.C.S., vol. 94, pp. 7169-7170, (1972).
Kukolja Stjepan
Lammert Steven R.
Eli Lilly and Company
Lammert Steven R.
Schwartz Gerald A.
Smith Everet F.
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