Method for producing pure crystalline antibiotic products

Details Method for producing pure crystalline antibiotic products Method for producing pure crystalline antibiotic products

1987-11-10

1990-03-27

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540227, 540228, 540230, 540221, 540314, 540327, C07D50112, C07D49918

Patent

active

049122118

ABSTRACT:
A process is described for producing pure crystalline products, in particular penicillin and cephalosporin, wherein the desired product, prepared according to a known method, is treated with ethanol in one or two steps, whereby the crystallization of the pure product and impurity separation are achieved.

REFERENCES:
The Merck Index (Tenth Edition), p. 276.
A Textbook of Practical Organic Chemistry, pp. 122-125 (1956), John Wiley & Sons, Inc.
Merck Index, pp. 1018, 1019, 268-272 (Tenth Edition) 1983.

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