AN EFFICIENT ONE POT SYNTHESIS OF 1,3,4-OXADIAZOLES
摘要:
Various 1,3,4-oxadiazoles have been synthesized in excellent yields by BF3. Et2O promoted cyclodehydration of 1,2-diacyl and diaroyl hydrazines prepared in situ from corresponding acid chlorides and hydrazine.
POLY(IMIDE-OXADIAZOLE) MEMBRANES FOR GAS SEPARATION APPLICATIONS
申请人:Saudi Arabian Oil Company
公开号:US20220219127A1
公开(公告)日:2022-07-14
A gas separation membrane is provided. The gas separation membrane includes a poly(imide-oxadiazole) polymer including an oligomer having a structure comprising:
In this structure, Ar
1
, Ar
2
, and Ar
3
include aromatic moieties, and wherein Ar
1
, Ar
2
, and Ar
3
are each independently selected.