Intermediates in the synthesis of cephalosporins

Details Intermediates in the synthesis of cephalosporins Intermediates in the synthesis of cephalosporins

1994-07-28

1997-06-17

McKane, Joseph

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540222, 540226, 540227, C07D50106

Patent

active

056398778

ABSTRACT:
Novel amidine salts of 7-Amino-3-hydroxymethyl-3-cephem-4-carboxylic acid (=HACA), particular guanidine and diaza-bicyclo-alkylene salts, are useful as intermediates in the synthesis of cephalosporins.

REFERENCES:
patent: 4430498 (1984-02-01), Heusler et al.
patent: 4560749 (1985-12-01), Spry
The Journal of Antibiotics vol. 45, No. 5, pp. 721-734 (1992).
Tetrahedron vol. 41, No. 22, pp. 5133-5139, 1985.
Chemical Abstracts, 14297s, vol. 114, p. 738 1991.

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