1-Phosphacephalosporin. II. Synthesis of optically active 7-substituted-1-phosphadethia-3-cephem 1-oxides
โ Scribed by Hisao Satoh; Teruji Tsuji
- Book ID
- 104233530
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- French
- Weight
- 209 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
The synthesis of optically active 7-substituted-1-phosphadethia-3-cephems is described. The stereochemistry in the displacement reaction at C-4 of chira1 3-acylamino-4acetoxy-2-azetidinones toward trivalent phosphorus nucleophiles is also discussed briefly.
๐ SIMILAR VOLUMES
## Abstract Trisubstituted 1,4,5,6,โtetrahydroโ7__H__โindolones are obtained in a oneโpot synthesis from conjugated nitroolefins and ฮฑโketoenamines derived from ฮฑโamino esters and cyclohexaneโ1,2โdione. In some cases bicyclo[3.2.1]octanโ8โone and 1,2โoxazine __N__โoxide derivatives are isolated.
## 1997 indole derivatives, isoindole derivatives indole derivatives, isoindole derivatives R 0140 ## 28 -085 Synthesis of Optically Active 1,2,3-Substituted-1,4,5,6-tetrahydro-7H-indolones. -Indolones such as (III) and (XI) are obtained in a one-pot synthesis from conjugated nitroolefins and ฮฑ