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检索条件"作者=Enayatollah Sheikhhosseini"
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P-Dodecylbenzenesulfonic acid(DBSA),a Brфnsted acid-surfactant catalyst for Biginelli reaction in water and under solvent free conditions
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Chinese Chemical Letters 2011年 第8期22卷 903-906页
作者: Mohammad Ali Bigdeli Ghazaleh Gholami enayatollah sheikhhosseini Faculty of Chemistry Tarbiat Moallem University49 MofatehTehranIran
We report herein the use of p-dodecylbenzenesulfonic acid(DBSA) as a catalyst for a one-pot Biginelli reaction to afford 3,4- dihydropyrimidinone derivatives in good to excellent *** reaction proceeds efficiently in... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Synthesis of 3,3-Arylidene Bis(4-Hydroxycoumarin) Catalyzed by <i>p</i>-Dodecylbenzenesulfonic Acid (DBSA) in Aqueous Media and Microwave Irradiation
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International Journal of Organic Chemistry 2014年 第2期4卷 135-141页
作者: Asiyeh Shamsaddini enayatollah sheikhhosseini Department of Chemistry Faculty of Science Kerman Branch Islamic Azad University Kerman Iran
A series of 3,3-arylidene bis(4-hydroxycoumarins) were synthesized by the reaction of aromatic aldehydes with 4-hydroxycoumarin using dodecylbenzenesulfonic acid as Br?nsted acid-surfactant catalyst in aqueous media a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Solvent Free Synthesis of α,α-Bis(Substituted-benzylidene)cycloalkanones Using Covalently Anchored Sulfonic Acid on Silica Gel(SiO_(2)-R-SO_(3)H)as an Efficient and Reusable Heterogeneous Catalyst
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International Journal of Organic Chemistry 2011年 第4期1卷 143-147页
作者: Azizollah Habibi enayatollah sheikhhosseini Mohammadali Bigdeli Saeed Balalaie Elinaz Farrokhi Faculty of Chemistry Tarbiat Moallem UniversityTehranIran Peptide Chemistry Research Center K.N.Toosi University of TechnologyTehranIran
We wish to report a mild and efficient Crossed-Aldol reaction for the synthesis of α, ?-bis(substituted-ben- zylidene)cycloalkanones in the presence of catalytic amounts of covalently anchored sulfonic acid onto sil-... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论