- Method of producing oxo-containing azetidinone compounds
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This invention relates to a novel method of producing oxo-containing azetidinone compounds, or salts thereof, or hydrates thereof, said compounds having utility as antimicrobial agents and as intermediates for the synthesis of other azetidinone compounds having antimicrobial activity.
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- SYNTHESIS OF 7-HYDRAZINOCEPHALOSPORINS
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Hydrazonation of 7-oxocephems 2a,b, followed by borane reduction of the resulting E and Z hydrazono compounds 3a,b and 4a,b, provided the key intermediates 5a,b, which were acylated to 6a,b and then deprotected to yield the 7-hydrazinocephalosporin deriva
- Hagiwara, Daijiro,Sawada, Kozo,Hashimoto, Masashi
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p. 1253 - 1256
(2007/10/02)
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