Catalytic transfer hydrogenolysis of 4-nitrobenzyl esters of cephalosporins

DOI: 10.1016/S0040-4039(98)00210-X

Source and publish data:

Tetrahedron Letters p. 2405 - 2408 (1998)

Update date:2022-08-03

Topics:

Authors:

Albanese, Domenico

Leone, Mario

Penso, Michele

Seminati, Monica

Zenoni, Maurizio

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Article abstract of DOI:10.1016/S0040-4039(98)00210-X

Cephalosporins 1a-d have been selectively hydrogenolysed to their corresponding acids 2a-d without isomerisation of the cephem double-bond using anhydrous ammonium formate or phosphinic acid as catalytic transfer agents in the presence of 10% pd/C.

Full text of DOI:10.1016/S0040-4039(98)00210-X

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Product name:(6R)-3-methoxy-8-oxo-7t-(2-phenoxy-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-nitro-benzyl ester

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