Manufacture of semi-synthetic penicillin antibiotics

Details Manufacture of semi-synthetic penicillin antibiotics Manufacture of semi-synthetic penicillin antibiotics

1978-06-09

1980-01-08

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D49968

Patent

active

041827090

ABSTRACT:
A process for preparing semi-synthetic penicillin antibiotics, especially ampicillin, is disclosed which comprises acylating a silylated 6-aminopenicillanic acid in the presence of primary or secondary carboxamide bases as hydrogen halide acceptors. The products may be obtained in good yield and high purity and the amount of toxic contaminants in the products is significantly reduced, thus substantially eliminating unpleasant side-effects.

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