[EN] PROCESS FOR ASYMMETRIC SYNTHESIS OF (R)-4-PROPYLDIHYDROFURAN-2 (3H)-ONE [FR] PROCÉDÉ DE SYNTHÈSE ASYMÉTRIQUE DE (R)-4-PROPYLDIHYDROFURAN-2 (3H)-ONE
An efficient enantioselective method for asymmetric Michael addition of nitroalkanes to α,β-unsaturated aldehydes
作者:Yongcan Wang、Pengfei Li、Xinmiao Liang、Tony Y. Zhang、Jinxing Ye
DOI:10.1039/b717000a
日期:——
The addition of nitroalkanes to alpha,beta-unsaturated aldehydes under the catalysis of (S)-2-(diphenyl(trimethylsilyloxy)methyl)pyrrolidine and lithium acetate as additive afforded gamma-nitroaldehydes in good yield and up to 97% ee.
Organocatalytic diastereoselective synthesis of chiral decalines through the domino Claisen–Schmidt/Henry reaction
作者:Adluri B. Shashank、Dhevalapally B. Ramachary
DOI:10.1039/c5ob00562k
日期:——
General and operative domino Claisen–Schmidt/Henry (CS/H) reaction has been revealed to obtain highly substituted chiral decalines in good yields with excellent ees and des by using push–pull enamine catalysis.