Pd/mannose promoted tandem cross coupling-nitro reduction: expedient synthesis of aminobiphenyls and aminostilbenes
作者:Sandeep Rohilla、Pradeep Pant、Nidhi Jain
DOI:10.1039/c5ra04129e
日期:——
d-Mannose as a ligand for Pd catalyzed cross-coupling, and as a hydrogen source for nitro reduction in a modular one-pot cross coupling-nitro reduction sequence.
d-甘露糖作为钯催化的交叉偶联反应的配体,以及作为模块化的一锅交叉偶联-硝基还原序列中的氢源。
NOVEL DIAMINE, POLYAMIC ACID, AND POLYIMIDE
申请人:NISSAN CHEMICAL INDUSTRIES. LTD.
公开号:US20160264520A1
公开(公告)日:2016-09-15
To provide a novel diamine, and a polyimide precursor and a polyimide using it. A diamine represented by the formula (1):
wherein each of X
1
and X
5
which are independent of each other, is a single bond or the like; each of X
2
and X
4
which are independent of each other, is —CH
2
— or the like; X
3
is a C
1-6
alkylene or the like; each of Y
1
and Y
2
which are independent of each other, is a single bond or the like; R is a C
1-20
linear, branched or cyclic hydrocarbon group; and a is 0 or 1).
[EN] COMPOUNDS COMPRISING A HETERO-FLUORENE GROUP<br/>[FR] COMPOSÉS COMPRENANT UN GROUPE HÉTÉRO-FLUORÈNE
申请人:NOVALED GMBH
公开号:WO2020221570A1
公开(公告)日:2020-11-05
The present invention relates to a compound, and to an organic semiconductor layer comprising this compound, suitable for use as an organic semiconductor layer for electronic devices, and a method of manufacturing the same, wherein the compound comprises a hetero-fluorene group and is represented by formula 1.
A method for producing a biaryl compound, comprising reacting an aromatic organic compound with at least one compound selected from the group consisting of aromatic organoboron compounds and boroxine compounds, in the presence of a zero-valent nickel catalyst, phosphine ligand and base.
Amine thiocyanates as accelerators for cure of polyepoxide-polyimine materials
申请人:Ashland Oil, Inc.
公开号:EP0374269A1
公开(公告)日:1990-06-27
A moisture curable composition comprising a mixture of
(A) a polyepxoide
(B) a polyimine curing agent and
(C) an amine thiocyanate salt cure accelerator,
and a process for curing said composition in an atmosphere having a relative humidity of from about 20% to about 90% at a temperature in the range of from about 15°C. to about 150°C. are described.