Organocatalytic, enantioselective intramolecular [6+ 2] cycloaddition reaction for the formation of tricyclopentanoids and insight on its mechanism from a computational …
…, M Honma, K Sankar, I Kumar, H Ishikawa…
文献索引：Hayashi, Yujiro; Gotoh, Hiroaki; Honma, Masakazu; Sankar, Kuppusamy; Kumar, Indresh; Ishikawa, Hayato; Konno, Kohzo; Yui, Hiroharu; Tsuzuki, Seiji; Uchimaru, Tadafumi Journal of the American Chemical Society, 2011 , vol. 133, # 50 p. 20175 - 20185
Diphenylprolinol silyl ether was found to be an effective organocatalyst for promoting the asymmetric, catalytic, intramolecular [6+ 2] cycloaddition reactions of fulvenes substituted at the exocyclic 6-position with a δ-formylalkyl group to afford synthetically useful linear triquinane derivatives in good yields and excellent enantioselectivities. The cis-fused triquinane derivatives were obtained exclusively; the trans-fused isomers were not ...
