ChemInform Abstract: 1-β-Methylcarbapenem Intermediates. Part 2. Stereoselective Synthesis of (3S,4R)-3-((1R)-1-tert.-Butyldimethylsilyloxyethyl)-4-((1R)-3-methoxycarbonyl-1-methyl-2-oxopropyl)azetidin-2-one and Its Related Chemistry

Autor: Masaki Endo, R. Droghini
Rok vydání: 1988
Předmět:
Zdroj: ChemInform. 19
ISSN: 0931-7597
DOI: 10.1002/chin.198850294
Popis: The azetidinone (I) reacts with either the dianion of the ester (II) or with the bissilyl enol ether (IV) in the presence of metal salts (Lewis acids) to give the products (IIIa) and (IIIb).
Databáze: OpenAIRE