NOVEL CYCLIC PHOSPHINATE DERIVATIVES AND METHOD OF PREPARING THE SAME
申请人:KNU-INDUSTRY COOPERATION FOUNDATION
公开号:US20150315219A1
公开(公告)日:2015-11-05
Provided are novel cyclic phosphinate derivatives and a method of preparing the same, and more particularly, cyclic phosphinate derivatives including benzoxaphosphole oxide derivatives and benzoxaphosphorin oxide derivatives, and a method of preparing the same. The cyclic phosphinate derivative according to the present invention may have pharmacological and physiological activities, be used as the basic skeleton of the natural material, and be used in development of a new drug, and synthesis of various medicines. In addition, with the method of preparing a cyclic phosphinate derivative according to the present invention, various cyclic phosphinate derivatives may be prepared with high yield through a simple synthetic process by performing an intramolecular carbon-oxygen coupling reaction on the phosphinic acid derivative in the presence of a palladium (Pd) catalyst, an oxidant, and a base.
Oxidant-free oxidation of C–H bonds by cathodic hydrogen evolution: a phosphonic Kolbe oxidation/cyclization process
作者:Lei Zhang、Zhenxing Zhang、Jianning Zhang、Kangle Li、Fanyang Mo
DOI:10.1039/c8gc02026d
日期:——
An anodic oxidation/cyclization of 2-(aryl)aryl phosphonic acidmonoesters for ethoxy dibenzooxaphosphorin oxide synthesis has been developed. This unprecedented electrochemical oxidation reaction proceeds at room temperature with no oxidant or electrolyte required, and exhibits high atom-economy with H2 being the only byproduct. A series of ethoxy dibenzooxaphosphorin oxides were obtained in good