Lactones represented by the formula
2
a
or
2
b:
are provided, where each Ph is, independently, an unsubstituted or substituted phenyl group. These lactones are suitable for the synthesis of various α-hydroxy acids and 1,2-diols.
Forst; Zincke, Justus Liebigs Annalen der Chemie, 1876, vol. 182, p. 282
作者:Forst、Zincke
DOI:——
日期:——
US7173141B2
申请人:——
公开号:US7173141B2
公开(公告)日:2007-02-06
Electrochemical radical–polar crossover diesterification of alkenes with carboxylic acids
作者:Yu-Fang Tan、Dan Yang、Ya-Nan Zhao、Jin-Feng Lv、Zhi Guan、Yan-Hong He
DOI:10.1039/d2gc04399h
日期:——
An electrochemical method for the directsynthesis of 1,2-diester derivatives from abundant and readily available olefins and carboxylicacids is described. The method is applicable to a variety of aromatic/aliphatic olefins and (hetero) aromatic/aliphatic carboxylicacids to produce the corresponding 1,2-diesters in moderate to good yields under mild and environmentally friendly conditions without
Excellent Enantioselective Organocatalytic One-Pot Desymmetrization of <i>meso</i>-1,2-Diols through Asymmetric Acylation and Silylation by a Chiral 1,2-Diamine Derived from (<i>S</i>)-Proline
作者:Hirofumi Nakayama、Hitomi Urai、Takeshi Oriyama
DOI:10.1246/bcsj.20220096
日期:2022.8.15
The one-potdesymmetrization of meso-1,2-diols was successfully performed via their benzoylation, and subsequent silylation to give the corresponding siloxy esters in excellent enantioselectivities. The reduction of these siloxy esters afforded the corresponding β-siloxy alcohols without any loss in enantioselectivity.