1384180-33-9Relevant articles and documents
Enantio- and diastereoselective hetero-Diels-Alder reactions between 2-aza-3-silyloxy-1,3-butadienes and aldehydes catalyzed by chiral dirhodium(ii) carboxamidates
Watanabe, Yudai,Washio, Takuya,Krishnamurthi, Janagiraman,Anada, Masahiro,Hashimoto, Shunichi
, p. 6969 - 6971 (2012)
The first catalytic asymmetric hetero-Diels-Alder reaction between 2-aza-3-silyloxy-1,3-butadienes and aldehydes is described. With dirhodium(ii) tetrakis[N-benzene-fused-phthaloyl-(S)-piperidinonate], Rh2(S-BPTPI) 4, the cycloaddition reaction proceeded exclusively in an endo mode to give all-cis-substituted 1,3-oxazinan-4-ones in high yields with up to 98% ee.