Synthesis of 1,2-Epoxy-3-alkanols<i>via</i>Mitsunobu Reaction on Unprotected Enantiopure Acyclic 1,2,3-Triols
作者:Christine Gravier-Pelletier、Yves Le Merrer、Jean-Claude Depezay
DOI:10.1080/00397919408010604
日期:1994.11
Mitsunobu reaction directly carried out on unprotected enantiopure acyclic 1,2,3-triols gave the corresponding chiral 1,2-epoxy-3-alkanols. Higher yields are obtained with relativethreoconfiguration than with relativeerythroconfiguration.
Gravier-Pelletier Christine, Le Merrer Yves, Depezay Jean-Claude, Synth. Commun, 24 (1994) N 20, S 2843-2850
作者:Gravier-Pelletier Christine, Le Merrer Yves, Depezay Jean-Claude
DOI:——
日期:——
Inversion of configurations of contiguous carbinol centres: application to the synthesis of both enantiomers of natural products from the same enantiomerically pure starting material
Abstract A novel method for effecting the inversion of configuration of two and three contiguouscarbinolcenters in a diol, triol, and tetraol chain, thus affording the opposite enantiomer with ⩾98% e.e., has been developed. The method is based on the sequential formation of a terminal epoxide, Payne rearrangement, and intramolecular lactonization. Application of this methodology to the synthesis