Construction of 2-Thiabicyclo[3.3.1]nonanes by Organocatalytic Asymmetric Formal [3+3] Cycloaddition
作者:Dhevalapally B. Ramachary、P. Srinivasa Reddy、Jagjeet Gujral
DOI:10.1002/ejoc.201701617
日期:2018.4.30
A simple dihydroquinine organocatalyst can catalyze the enolate‐mediated [3+3] annulation of various 4‐alkyl‐thiane‐3,5‐diones with alkyl vinyl ketones to furnish functionally rich chiral 2‐thiabicyclo[3.3.1]nonanes in very good yields with excellent enantio‐ and diastereoselectivities.