Cephalosporin intermediate

Details Cephalosporin intermediate Cephalosporin intermediate

1986-04-14

1987-05-12

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D50118

Patent

active

046651683

ABSTRACT:
7-Amino-3-pyridiniummethyl (and substituted pyridiniummethyl)-3-cephem-4-carboxylic acid hydrothiocyanate salts and a process for the preparation thereof are provided. The salts are useful for recovering the pyridinium nuclei from reaction mixtures in which they are formed or used.

REFERENCES:
patent: 3207755 (1965-09-01), Abraham et al.
patent: 3270012 (1966-08-01), Higgens
patent: 3280118 (1966-10-01), Eardley et al.
patent: 3498979 (1970-03-01), Crisp et al.
patent: 3520884 (1970-07-01), Sharp et al.
patent: 3577412 (1971-05-01), Spencer et al.
patent: 3790565 (1974-02-01), Vanevenhoven
patent: 4369313 (1983-01-01), Jones et al.

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