AbstractThe amination of aliphaticalcohols in the gas–solid phase was investigated in a fixed-bed reactor in the presence of CuO–NiO/γ–Al2O3 as the catalyst. This catalytic system was successfully applied for both the N-methylation of aliphatic amines and N-alkylation of piperidine with primary or secondary alcohols. N-Alkylation of piperidine with low-carbon alcohols resulted in high conversions
摘要在固定床反应器中,在存在CuO–NiO / γ – Al 2 O 3的情况下,研究了气相固相中脂肪醇的胺化作为催化剂。该催化体系已成功用于脂肪胺的N-甲基化和哌啶与伯或仲醇的N-烷基化。哌啶与低碳醇的N-烷基化导致较高的转化率和选择性,并且随着脂肪醇碳原子数的增加,哌啶的转化率和向所需产物的选择性逐渐降低。还评估了各种条件对哌啶N-环己基化的影响,包括液时空速(LHSV),温度和催化剂;特别是催化剂的影响最大。最后,进行了催化剂稳定性的测试。 图形概要
Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 5. Solvent effects
作者:Giuseppe Musumarra、Francesco P. Ballistreri、Salvatore Muratore、Alan R. Katritzky、Svante Wold
DOI:10.1039/p29820001049
日期:——
First- and second-order rates for the reactions of 1-methyl-, 1-isopropyl-, 1-s-butyl-,1-benzyl-, and 1-p- methoxybenzyl-2,4,6-triphenylpyridiniums with piperidine in chlorobenzene in protic and dipolar aprotic solvents are reported. For the 1-isopropyl, 1-s-butyl and 1-p-methoxybenzyl derivatives the bimolecular reaction is accompanied by a unimolecular process in all solvents. Second-order rate constants
New Pyridinones and Isoquinolinones as Inhibitors of the Bromodomain BRD9
申请人:Boehringer Ingelheim International GmbH
公开号:US20180044335A1
公开(公告)日:2018-02-15
The present invention encompasses compounds of general formula (I) wherein the groups R
1
to R
9
, X
1
and X
2
have the meanings given in the claims and in the specification. The compounds of the invention are suitable for the treatment of diseases characterized by excessive or abnormal cell proliferation, e.g. cancer, pharmaceutical preparations containing such compounds and their uses as a medicament.
TRIAZINE DERIVATIVES, THEIR PREPARATION AND THERAPEUTIC APPLICATION THEREOF
申请人:BENEDETTI Yannick
公开号:US20080096891A1
公开(公告)日:2008-04-24
The invention relates to triazine derivatives of general formula (I):
Wherein R
1
, R
2
and R
3
are as defined herein. The invention also relates to a method for preparing these triazine derivatives and to the therapeutic application thereof.
METHOD FOR PRODUCING GLUCOSE BY ENZYMATIC HYDROLYSIS OF CELLULOSE THAT IS OBTAINED FROM MATERIAL CONTAINING LIGNO-CELLULOSE USING AN IONIC LIQUID THAT COMPRISES A POLYATOMIC ANION
申请人:Balensiefer Tim
公开号:US20100081798A1
公开(公告)日:2010-04-01
The present invention relates to a process for preparing glucose from a lignocellulose-comprising starting material, in which this is firstly treated with an ionic liquid and subsequently subjected to an enzymatic hydrolysis. The invention further relates to a process for preparing microbial metabolites, especially ethanol, in which the glucose obtained is additionally subjected to a fermentation.