Decolorizing process for 7-amino-3-(((2-methyl-1,3,4-thiadiazol-

Details Decolorizing process for 7-amino-3-(((2-methyl-1,3,4-thiadiazol- Decolorizing process for 7-amino-3-(((2-methyl-1,3,4-thiadiazol-

1977-05-10

1978-09-19

Rizzo, Nicholas S.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

C07D50112

Patent

active

041156455

ABSTRACT:
The present invention is directed to the use of sodium sulfite and sodium dithionite for the decolorization of 7-amino-3-(((2-methyl-1,3,4-thiadiazol-5-yl)thio)methyl)-3-cephem-4-carbox ylic acid.

REFERENCES:
patent: 3278531 (1976-10-01), Cox et al.
patent: 3516997 (1970-06-01), Takano et al.
patent: 3979383 (1976-09-01), Wild

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