ChemInform Abstract: Synthesis of E- and Z-Substituted Methylene-3,4-dihydro-2H-1-benzopyrans by Regio- and Stereocontrolled Palladium-Catalyzed Intramolecular Cyclization.
β Scribed by Olivier Barberan; Mouad Alami; Jean-Daniel Brion
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 30 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0931-7597
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## Abstract A general oneβpot Pdβcatalyzed synthesis of the target compounds (E)β3βarylideneβ1,4βbenzoxazines starts from inexpensive and readily available starting materials.
## 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 βFull Textβ option. The original article is trackable v
Stereocontrolled Synthesis of 5-Acyl-3,4-dihydro-2H-pyrroles and Related Heterocycles via Intramolecular 2-Propylidene-1,3-bis(silane)-Acylnitrilium Ion Cyclizations. -The title reaction is found to proceed with good to excellent diastereoselectivity. Reduction of prepared Ξ΄1-pyrrolines results in s