## Sunmary: A synthesis of (+)-3-ANA is described involving oxidative decarbonylation of an azetidine carboxylic ester. We have recently described new methods for the formation of B-lactams by the oxidative decarboxylation 133 or decarbonylation2 of azetidine-2-carboxylic acids. We now report the
A new synthesis of β-lactams. oxygenation of dianions Of azetidine carboxylic acids
✍ Scribed by Harry H. Wasserman; Bruce H. Lipshutz
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- French
- Weight
- 188 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0040-4039
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📜 SIMILAR VOLUMES
Summaryz Azetidine-2,3-dionee can be conveniently synthesized by mild hydrolysis of the product of the reaction between a-phenylthio-&la&ems and sulfuryl chloride.
Lithium carboxylic acid enediolates are generated efficiently using lithium amides prepared from thienyllithium or butyllithium and either diethylamine, piperazine, N,N'-dibenzylethylenediarnine, N-benzylpiperazine or 1,3,3-trimethyl-6-azabicyclo[3.2.1 ]octane, even in catalytic amounts.
## Abstract Es wird eine neue Synthese von β‐Lactamen durch Umsatz von 4‐Alkylazlactonen mit acyclischen Iminen beschrieben. Mit einem cyclischen Imin wird dagegen ein Imidazolin‐Derivat erhalten.
## Abstract A synthesis of 2‐alkylthiopenems by an intramolecular __Wittig__‐type reaction between a phosphorane and a trithiocarbonate ester is described.