✦ LIBER ✦

A facile synthesis of cephem side chains by palladium catalyzed cross-coupling of 3-substituted-Δ3-cephems with dialkylzinc or vinyltributyltin

✍ Scribed by Michele Contento; Marco Da Col; Paola Galletti; Sergio Sandri; Achille Umani-Ronchi

Book ID: 104260152
Publisher: Elsevier Science
Year: 1998
Tongue: French
Weight: 199 KB
Volume: 39
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(98)01940-6

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✦ Synopsis

Synthesis of 3-vinyl-and 3-alkyl-A3-cephems was performed in a regioselective manner by palladium acetate catalyzed reaction of 3-sulfonato-or 3-bromo-A3-cephems with dialkylzinc or vinyltributyltin. A new access to 3-alkyl-A3-cephems is opened, starting from the allenyl compound 10.

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