The asymmetric synthesis of 2,3-benzocarbapenems by intramolecular aryl radical cyclizations
✍ Scribed by Benito Alcaide; Angel M. Moreno; Alberto Rodríguez-Vicente; Miguel A. Sierra
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 263 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0957-4166
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📜 SIMILAR VOLUMES
Titanium tetrachloride-induced cyclization of 3-(0-or m-substituted p-methoxyphenyl)-2nitro acrylates (1) provided stereoselectively (4¢t,5~)-l-oxa-2-azaspiro[4, 5]deca-2,6,9-trien-8-ones (2). Ortho-substituted p-methoxyphenyl nitroacrylates gave 2 in good yield. 3-(4'-methoxy-l'-naphthyl)-2nitroacr
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
New polycycUc 2-azetidinones having fused or not biaryl units are easily prepared by the tin-mediated, intramolecular aryl-aryl radical cyclization of readily available arylsubstituted 2-azetidinones. The regioselectivity and efficiency of the process is determined both by the length of the linking