NOVEL CURING AGENTS AND PROCESS FOR THEIR MANUFACTURE
申请人:Cawse John
公开号:US20110130525A1
公开(公告)日:2011-06-02
Compounds having the formula (I) wherein L is a linking group, at least one of R
1
to R
10
comprises the group C≡N, at least one of R
1
to R
5
and at least one of R
6
to R
10
comprise the group NH
2
for use as curing agents in an epoxy resin, together with a process for their synthesis and composites comprising the curing agents.
Highly regioselective para-methylthiolation/bridging methylenation of arylamines promoted by NH<sub>4</sub>I
作者:Yinfeng Xu、Tiantian Cong、Ping Liu、Peipei Sun
DOI:10.1039/c5ob01679g
日期:——
Aryl methyl thioethers and methylene-bridged arylamines were synthesized via highly regioselective para-methylthiolation/bridging methylenation of arylamines using DMSO as the methylthio or methylene source in the presence of NH4I under metal-free conditions.