ChemInform Abstract: Synthesis of Fused Tricyclic β-Lactams by the Pauson-Khand Cyclization of Enyne-2-azetidinones.
✍ Scribed by B. ALCAIDE; C. POLANCO; M. A. SIERRA
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 31 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Synthesis of Fused Tricyclic β-Lactams by the Pauson-Khand Cyclization of Enyne-2-azetidinones. -An approach to tricyclic β-lactams is reported, which represents the first example of a Pauson-Khand cyclization of an enyne system tethered to a four membered ring. -(ALCAIDE, B.;
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## 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
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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 Synthesis of Fused Tricyclic 2-Azetidinones Using Stereoselective Allylation of cis-4-Formyl-β-lactams and Intramolecular Diels-Alder Reaction. -SnCl 4 -promoted addition of (II) to azetidinones (I) gives 1-hydroxy-homoallyl-β-lactams (III) with excellent stereoselectivities. The mesylates of