C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/104.5
C07D 501/22 (2006.01)
Patent
CA 1234799
ABSTRACT OF THE DISCLOSURE Crystalline cephalexin hydrochloride monohydrate, a useful antibiotic, can be prepared by the hydration of novel crystalline cephalexin hydrochloride C1-4 alkanol solvates. The crystalline cephalexin hydrochloride C1-4 alkanol solvates are prepared by adding an excess of hydrogen chloride or hydrochloric acid to a suspension in a C1-4 alkanol of cephalexin hydrate.
531803
Engel Gary L.
Indelicato Joseph M.
Mcshane Lawrence J.
Rose Harry A.
Yang Kuo S.
Eli Lilly And Company
Gowling Lafleur Henderson Llp
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