Methods are provided for preparing all four diastereomers of 2-alkyl-3-hydroxyalkanals, 2-alkyl-3-silyloxyalkanals, and the like, with high enantiocontrol, using non-aldol chemistry. The synthetic methods also provide novel, stereospecific routes to polypropinates and chiral 2-substituted-1,3 diols.
A Pentenyl Dianion-Based Strategy for Convergent Synthesis of Ene-1,5-diols
作者:Adilah B. Bahadoor、Alec Flyer、Glenn C. Micalizio
DOI:10.1021/ja050039+
日期:2005.3.1
A convergent two-step process is described for the synthesis of ene-1,5-diols that provides for union of two carbonyl electrophiles via a formal pentenyl dianion equivalent.