TRISUBSTITUTED PYRIDO[2,3-D]PYRIMIDINES, METHODS FOR PREPARING SAME AND THERAPEUTIC USES THEREOF
申请人:CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S)
公开号:US20150203489A1
公开(公告)日:2015-07-23
The present invention relates to compounds of the following general formula (I):
wherein:
R
1
is notably a group —NR
a
R
b
, R
a
and R
b
forming together with the nitrogen atom onto which they are bound, a heterocycle comprising from 5 to 30 atoms,
R
2
is notably an aryl comprising from 5 to 30 atoms, and
R
3
is notably an alkenyl comprising from 1 to 20 carbon atoms.
A mild and efficient method for the methoxymethylation and acetylation of alcohols promoted by benzyltriphenylphosphonium tribromide
作者:Farhad Shirini、Gholam Hossein Imanzadeh、Seyyed Ali Reza Mousazadeh、Iraj Mohammadpoor-Baltork、Masoumeh Abedin
DOI:10.1016/j.cclet.2010.04.031
日期:2010.10
Abstract A mild and efficient method for the conversion of alcohols to their corresponding methoxymethyl ethers and acetates using benzyltriphenylphosphonium tribromide (BTPTB) as catalyst is described. All reactions were performed under completely heterogeneous reaction conditions in good to high yields.