Synthesis of phenothiazines from cyclohexanones and 2-aminobenzenethiols under transition-metal-free conditions
作者:Yunfeng Liao、Pengcheng Jiang、Shanping Chen、Fuhong Xiao、Guo-Jun Deng
DOI:10.1039/c3ra43989e
日期:——
A convenient method for the synthesis of various substituted phenothiazines from cyclohexanones and 2-aminobenzenethiols using molecular oxygen as hydrogen acceptor in the absence of transition-metals is described. For the first time cyclohexanones were used as coupling partners for the construction of phenothiazines.
Facile synthesis of <i>N</i>-aryl phenothiazines and phenoxazines <i>via</i> Brønsted acid catalyzed C–H amination of arenes
作者:Wang Xia、Zi-An Zhou、Jie Lv、Shao-Hua Xiang、Yong-Bin Wang、Bin Tan
DOI:10.1039/d1cc06730c
日期:——
N-Aryl phenothiazines and phenoxazines are of significant importance in various disciplines throughout academia and industry. The conventional synthetic strategy for the construction of these structures centers on the transition-metal-catalyzed cross-coupling of aryl halides with phenothiazines or phenoxazines. Here we present an organocatalytic approach to access N-naphthyl phenothiazine and phenoxazine
Die beschriebenen brandgeschützten Polyimidzusammmensetzungen enthalten:
(A) das Reaktionsproduct von
(a) einem Polyimid enthaltend zumindest zwei Reste der Formel
worin D ein zweiwertiger Rest mit einer Kohlenstoff-Kohlenstoff-Doppelbindung ist,
(b) etwa 0,05 to 2,0 Mol pro Mol der komponente (a) eines Alkenylphenols, eines Alkenylphenolethers oder von Gemischen der beiden und
(c) Tribromphenyl-maleinimid;
(B) einen katalysator für die ionische oder radikalische Polymerisation und
(C) Phenothiazin oder ein Derivat davon.
PHENOTHIAZINE DERIVATIVES AND METHODS FOR TREATING TUMORS
申请人:B & G Partners, LLC
公开号:EP2998303A1
公开(公告)日:2016-03-23
The present invention relates to pharmaceutical compositions and methods for controlling tumor growth in cancer patients. These compounds and pharmaceutical compositions modulate the P-glycoprotein multidrug transporter system and inhibit the activated PI3K/Akt/mTOR/p70S6K signaling pathway. The compounds and pharmaceutical compounds of the present invention are particularly useful for treating metastatic and drug-resistant tumors.
Multifunctional polyamides for protective coatings
申请人:Huntsman Advanced Materials Americas LLC
公开号:US10414855B2
公开(公告)日:2019-09-17
The present disclosure relates to a curing agent component for a curable resin which includes a multifunctional polyamide obtained from the reaction of a polyamine and a polycarboxylic acid. The curing agent component may be used as part of a two component curable system for the curing of curable resins including epoxy resins.