维普中文期刊产品整合服务
11篇 您的检索式:作者名="M. M. HERAVI"
    题名 作者 年代 出处 被引量
1二氧化硅担载Preyssler杂多酸上苯和1-癸烯的烷基化反应:利用表面响应方法进行统计设计(英文)显示文摘The response surface method (RSM) was applied to study the liquid phase alkylation of benzene with 1-decene catalyzed by means of silica supported Preyssler heteropoly acid. A three step experimental design was developed based on the central composite design (CCD). Catalyst loading, catalyst mass percent, and benzene to 1-decene molar ratio were used to optimize 1-decene conversion and linear alkylbenzene (LAB) yield. The results indicated that the quadratic model was significant for these two responses. The experimental results revealed that all variables had positive effect on 1-decene conversion. While increasing the catalyst loading tends to decrease LAB yield. Benzene to 1-decene molar ratio was found to be the most important factor that influenced LAB yield with a positive effect. Design expert software suggested several optimized solutions, among them the best choice was to use 31% catalyst loading, benzene to 1-decene molar ratio of 13, and catalyst percent of 3.6 wt% for obtaining 100% conversion and 88% LAB production yield.A. HAFIZI A. AHMADPOUP M. M. HERAVI F. F. BAMOHARRAM M. KHOSROSHAHI 2012催化学报2012,33,3:6
2纳米SiO_2负载Preyssler杂多酸催化剂对水杨酸与苄醇或脂肪醇酯化反应的催化性能(英文)显示文摘An efficient and environmentally benign procedure for the catalytic esterification of salicylic acid with aliphatic alcohols, CnH2n+1OH(n=1-5)and benzylic alcohols,RC6H4CH2OH(R=H,NO2,OCH3,Br,Cl,Me)was developed using nano-SiO2-supported Preyssler heteropolyacid both under thermal conditions and microwave irradiation.Silica nanostructures were obtained through a sol-gel method and were characterized by transmission electron microscopy and powder X-ray diffraction.The effects of various parameters such as solvent type,molar ratio of substrates,Preyssler heteropolyacid loading on silica,catalyst amount,temperature,and reaction time were studied and the optimum conditions were obtained.It has been found that the catalyst with 30 wt%loading is highly active and shows high yields in esterification reactions.The use of nano-SiO2-supported Preyssler heteropolyacid coupled with microwave irradiation allows a solvent-free,rapid(3 min),and high-yielding reaction.This catalyst can be easily recovered and reused for many times without a significant loss in its activity.Fatemeh F. BAMOHARRAM Majid M. HERAVI Javad EBRAHIMI Ali AHMADPOUR Mojtaba ZEBARJAD 2011催化学报2011,32,5:6
3Morpholine Catalyzed One-pot Multicomponent Synthesis of Compounds Containing Chromene Core in Water显示文摘一系列 dihydropyrano [c ] chromene 在 morpholine 催化,,的水里经由醛, malononitrile 和 4-hydroxycoumarin 的冷凝作用被获得一个壶反应。我们的调查结果的意义联系到减少器官的溶剂,潜在地有毒、危险的材料,以及它的简洁的使用,好收益,温和条件,和更低的费用。Heravi, Majid M. Zakeri, Masoumeh Mohammadi, Narges 2011Chinese Journal of Chemistry2011,29,6:5
4查看详情显示文摘Oskooie H. A Heravi M. M Tahershamsi L Sadjadi S Ta- jbakhsh M 0,,:1
5Regioselective and high-yielding bromination of aromatic compounds using hexamethylenetetramine–bromine显示文摘Majid M. Heravi Nafiseh Abdolhosseini Hossein A. Oskooie 2005Tetrahedron Letters2005,,51:1
6查看详情显示文摘Heravi M. M Bakhtiri K Javadi N. M Bamoharram F.F Saeedi M Oskooi H.A 0,,:1
7N-Methylpiperidinium Chlorochromate Adsorbed on Alumina: A New Deoximation Reagent显示文摘Mahmood Tajbakhsh Majid M. Heravi Farajollah Mohanazadeh Siavosh Sarabi Mitra Ghassemzadeh 2001Monatshefte fuer Chemie / Chemical Monthly2001,,10:1
8查看详情显示文摘Heravi M. M Derikvand F Bamoharram F. F 0,,:1
9A three component one-pot procedure for the synthesis of [1,2,4]triazolo/benzimidazolo-quinazolinone derivatives in the presence of H6P2W18O62?·?18H2O as a green and reusable catalyst显示文摘Majid M. Heravi Leila Ranjbar Fatemeh Derikvand Behnoush Alimadadi Hossien A. Oskooie Fatemeh F. Bamoharram 2008Molecular Diversity (-)2008,,3:1
10Three-component one-pot synthesis of 4,6-diarylpyrimidin- 2(1H)-ones under solvent-free conditions in the presence of sulfamic acid as a green and reusable catalyst显示文摘Majid M. Heravi Leila Ranjbar Fatemeh Derikvand Behnoush Alimadadi 2008Molecular Diversity (-)2008,,3:1
11One-pot Green Procedure for Synthesis of Tetrahydrobenzo[a]- xanthene-11-one Catalyzed by Bronsted Ionic Liquids under Solvent-free Conditions显示文摘Zakeri, Masoumeh Heravi, Majid M. Saeedi, Mina Karimi, Narges Oskooie, Hossein A. Tavakoli-Hoseini, Niloofar 2011Chinese Journal of Chemistry2011,29,7:0
返回顶部 每页显示:
共1页 首页 上一页 第1页 下一页 末页 /1 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费