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ChemInform Abstract: 1,2-Asymmetric Induction in the Intramolecular (2 + 2) Cycloadditions of Keteniminium Salts. Enantioselective Syntheses of (-)- Dihydroactinidiolide and (-)-Anastrephin.

โœ Scribed by O. IRIE; K. SHISHIDO

Book ID
112023193
Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
26
Category
Article
ISSN
0931-7597

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1,3-Asymmetric induction in the intramolecular [2+2] cycloaddition of alkene-keteniminium salts. Synthesis of (+)-gibberellic acid key intermediate
โœ Pil-Jong Shim; Hee-Doo Kim ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 244 KB

Optically active bicyclo[4.2.0]octan-7-ones were synthesized by stereoselective intramolecular [2+2] cycloaddition of alkene-keteniminium salt derived from L-glutamic acid, based on 1,3-asymmelric induction. Synthetic application toward (+)-gibberellic acid key intermediate was also described.