Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-09-27
1978-03-07
Daus, Donald G.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
544 24, 544 25, 544 26, 544 27, C07D28512
Patent
active
040779653
ABSTRACT:
Compounds of the formula ##STR1## and its salts, wherein A is lower alkylene, and R is optionally acyl or lower alkoxy carbonyl substituted amino or optionally acyl substituted hydroxy. The compounds are useful as intermediates in making cephalosporin derivatives.
REFERENCES:
Rodd "Chemistry of Carbon Compounds" vol. IV, part A, Heterocyclic Compounds pp. 476-477, E. I. Sevler, (1957).
Girard, Comptes Rendus Acad. des Sciences, de Paris, Tome 225, pp. 458-460 (1947).
Hemmi Keiji
Kamiya Takashi
Tanaka Kunihiko
Teraji Tsutomu
Daus Donald G.
Fujisawa Pharmaceutical Co. Ltd.
Springer D. B.
Stemple, Jr. Dayton R.
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