PYRAZINES

作品数：4被引量：7H指数：2
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One-pot synthesis of pyrrolo[1,2-a]pyrazines via three component reaction of ethylenediamine,acetylenic esters and nitrostyrene derivatives被引量：2
《Chinese Chemical Letters》2013年第8期740-742,共3页Loghman Moradi Mohammad Piltan Hedieh Rostami Golaleh Abasi 
An effective route to pyrrolo[1,2-a]pyrazines is described via reaction of ethylenediamine,acetylenic esters and nitrostyrene derivatives in the presence of 20 mol%of sulfamic acid.
关键词：Pyrrolo[1 2-a]pyrazines Ethylenediamine Acetylenic esters Nitrostyrene 
Synthesis of pyrazinyl compounds from glycerol and 1,2-propanediamine over Cu-TiO_2 catalysts supported on γ-Al_2O_3被引量：1
《Chinese Chemical Letters》2013年第8期751-754,共4页Xue Li Cheng-Hua Xu Chuan-Qi Liu Yu Chen Jian-Ying Liu 
supported financially by the Youth Science & Technology Foundation of Sichuan Province in China(No. 2012JQ0047);Development foundation from Air Environmental Modeling and Pollution Controlling Key Laboratory of Sichuan Higher Education Institutes(No.ZZKT2012003)
Cu-TiO_2 catalysts supported onγ-Al_2O_3 are prepared and used in glycerol cyclization with 1,2-propanediamine to produce pyrazinyl compounds including 6-hydroxymethyl-2-methylpyrazine,5-hydroxymethyl -2-methyIpyrazi...
关键词：Catalytic cyclization Glycerol Alkyl-substituted pyrazines Steric effect 
Tetramethylpyrazine stimulates cystic fibrosis transmembrane conductance regulator-mediated anion secretion in distal colon of rodents被引量：4
《World Journal of Gastroenterology》2005年第27期4173-4179,共7页Qiong He Jin-Xia Zhu Ying Xing Lai-Ling Tsang Ning Yang Dewi Kenneth Rowlands Yiu-Wa Chung Hsiao-Chang Chan 
Supported by the Innovation and Technology Fund of Hong Kong, China
AIM： To investigate the effect of tetramethylpyrazine （TMP）, an active compound from Ligustium Wollichii Franchat, on electrolyte transport across the distal colon of rodents and the mechanism involved.METHODS： Th...
关键词：Adrenergic beta-Agonists Animals Anions Colon CONSTIPATION Cystic Fibrosis Transmembrane Conductance Regulator Male MICE Mice  Inbred CFTR PYRAZINES RATS Rats  Sprague-Dawley Research Support  Non-U.S. Gov't 
POLAROGRAPHIC ANALYSIS OF PYRAZINES BY PRINCIPAL COMPONENT REGRESSION
《Chinese Chemical Letters》1992年第9期721-722,共2页Yong Nian NI Department of Chemistry,Jiangxi University,Nanehang 330047 Serge Kokot Mark Selby and Mark Hodgkinson School of Chemistry,Queensland University of Technology,Brisbane 4001 Australia 
This project is supported by Natural Science Foundation of Jiangxi Province and National Natural Science Foundation of china.
The polarograms of mixture of pyrazine and its methyl deriva- tives consist of overlapping peaks.This generally precludes the direct ana- lysis of these components without prior separation.In this paper,mixtures of py...
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