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ChemInform Abstract: Intramolecular (4 + 3) Cycloadditions. Vinylthionium Ions from Allylic Alcohols.

โœ Scribed by M. HARMATA; D. E. JONES


Book ID
112032279
Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
27
Category
Article
ISSN
0931-7597

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Intramolecular 4+3 cycloadditions. Allyl
โœ Michael Harmata; Mehmet Kahraman ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 220 KB

Treatmen~ of a THF solution of (E)-3 with n-BuLi followed by quenching with an electrophile generally re:mRs in regioselective alkylation alpha to the sulfone with the alkene possessing (E) stereochemistry in the major product. High selectivity for the (E) alkylation product can he achieved in the p