TMSOTf-mediated Kröhnke pyridine synthesis using HMDS as the nitrogen source under microwave irradiation
作者:Chieh-Kai Chan、Yi-Hsiu Chung、Cheng-Chung Wang
DOI:10.1039/d2ra00084a
日期:——
An efficient protocol for the preparation of pyridine skeletons has been successfully developed involving the TMSOTf/HMDS (trifluoromethanesulfonic acid/hexamethyldisilane) system for the intermolecular cyclization of chalcones under MW (microwave) irradiation conditions. This method provides a facile approach to synthesize 2,4,6-triaryl or 3-benzyl-2,4,6-triarylpyridines in good to excellent yields
Quantum-Chemical Study of the Assembly Mechanism of 1-Pyrrolines from <i>N</i>-Benzylaldimines and Arylacetylenes in KO<sup><i>t</i></sup>Bu/DMSO Superbasic Medium
作者:Vladimir B. Orel、Andrey A. Zubarev、Ivan A. Bidusenko、Igor A. Ushakov、Nadezhda M. Vitkovskaya
DOI:10.1021/acs.joc.3c00333
日期:2023.6.2
the assembly of 1-pyrrolines from N-benzyl-1-phenylmethanimine and phenylacetylene in the superbasic medium KOtBu/dimethylsulfoxide (DMSO). In this way, we have considered, both theoretically and experimentally, the mechanisms of the assembly through a concerted and stepwise nucleophilic cycloaddition and have addressed the side processes accompanying the assembly. It is found that the assembly via
MONOAMINE COMPOUND, CHARGE TRANSPORT MATERIAL, COMPOSITION FOR CHARGE TRANSPORT FILM, ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC EL DISPLAY DEVICE, AND ORGANIC EL LIGHTING
申请人:Mitsubishi Chemical Corporation
公开号:EP3121165A1
公开(公告)日:2017-01-25
A monoamine compound represented by the following general formula (1):
wherein R1 to R3 each independently represent a phenyl group which may have only one substituent in at least one of o- and m-positions, in which the substituent may be bonded to each other to form a cyclic structure, and R1 to R3 are a group different from each other, with the proviso that the monoamine compound is not represented by either one of the following structural formulas:
由以下通式(1)代表的单胺化合物:
其中 R1 至 R3 各自独立地代表一个苯基,该苯基可在 o 位和 m 位中的至少一个位置上仅有一个取代基,其中的取代基可相互键合以形成环状结构,且 R1 至 R3 是彼此不同的基团,但该单胺化合物不能由下列结构式中的任一结构式表示:
Organic electron transport material and organic electroluminescent element using same
申请人:Dyden Corporation
公开号:US11063223B2
公开(公告)日:2021-07-13
An organic electron transport material, which includes a phosphine oxide derivative represented by the following Formula (1):
R1 represents an atomic group which has one or more of either or both of aryl and heteroaryl groups and may have one or more phosphine oxide groups, R2 to R11 each independently represent an atom or an atomic group selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, a formyl group, a carbonyl group, an alkoxycarbonyl group, and a trifluoromethyl group.