[EN] NOVEL BENZOXAPHOSPHOLE COMPOUNDS AND A PROCESS FOR PREPARATION THEREOF<br/>[FR] NOUVEAUX COMPOSÉS DE BENZOXAPHOSPHOLE ET LEUR PROCEDE DE PREPARATION
申请人:COUNCIL SCIENT IND RES
公开号:WO2015128878A1
公开(公告)日:2015-09-03
The present invention relates to a novel benzoxaphosphole compounds of formula (I). Further, the present invention also relates to a process for preparation of novel benzoxaphosphole compounds of formula (I). The process of preparing the benzoxaphosphole compounds is simple, transition metal free and gives product with high yield.
Novel Benzoxaphosphole Compounds and a Process for Preparation Thereof
申请人:COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
公开号:US20170015691A1
公开(公告)日:2017-01-19
The present inventors prepared novel benzoxaphosphole compounds and shown a process for the synthesizing these novel compounds. The process of preparing the compounds is simple, transition metal free and gives product with high yield. The synthesized benzoxaphosphole compounds are expected to show potential biological.
US9902746B2
申请人:——
公开号:US9902746B2
公开(公告)日:2018-02-27
Employing Arynes for the Generation of Aryl Anion Equivalents and Subsequent Reaction with Aldehydes
作者:Rahul N. Gaykar、Anup Bhunia、Akkattu T. Biju
DOI:10.1021/acs.joc.8b01549
日期:2018.9.21
a new synthetic strategy is demonstrated, where arynes are converted into aryl anionequivalents by treatment with phosphines and a base. The addition of phosphines to arynes form the phosphonium salts, which in the presence of a carbonate base generates the aryl anionequivalent. Subsequent addition of the aryl anions with aldehydes afforded the secondary alcohols.
Multicomponent reactions involving phosphines, arynes and aldehydes
作者:Anup Bhunia、Trinadh Kaicharla、Digvijay Porwal、Rajesh G. Gonnade、Akkattu T. Biju
DOI:10.1039/c4cc05420b
日期:——
heterocycles, the reactions in which phosphines are incorporated into the final product are rare, and the reports on phosphine addition to highly electrophilic arynes are scarce. Herein, we report the phosphine triggered multicomponentreaction of arynes and aldehydes, which takes place via the formal [3+2] cycloaddition of an initially generated 1,3-phosphonium zwitterion from phosphines and arynes with aldehydes