Sparteine-Mediated Stereoselective Intramolecular Carbolithiation of Alkynes. -Asymmetric deprotonation of the chiral 4-substituted 5-hexynyl carbamates (I) by sBuLi/(-)-sparteine and subsequent regioselective 5-exo-dig cyclization of the intermediate enantioenriched carbanionic pairs yields the fi
ChemInform Abstract: Stereoselective Synthesis of Pyrrolidines and Pyrrolizidines by Intramolecular Carbolithiation.
β Scribed by Iain Coldham; Richard Hufton; Kathy N. Price; Richard E. Rathmell; David J. Snowden; Graham P. Vennall
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 33 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0931-7597
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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 βFull Textβ 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 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