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检索条件"主题词=Pinacol"
4 条 记 录,以下是1-10 订阅
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Studies on the Neodymium-induced pinacol Coupling of Aromatic Aldehydes and Ketones in Aqueous Media
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Chinese Chemical Letters 2006年 第5期17卷 591-594页
作者: Yan Jiang BIAN Hai Long WANG Bo WU Ji Tai LI Departrnent of Chemistry Langfang Normal College Hebei 065000 College of Chemistry and Environmental Science Hebei University Baoding 071002
pinacol coupling reactions of aromatic aldehydes and ketones were carded out using Nd-36% HOAc-CH2Cl2 system with stirring at r. t. for 4 h (in 14-70% yield). The reactions in the same system gave pinacols in 10-93%... 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
Enantioselective pinacol Coupling of Aromatic Aldehydes Induced by Chiral Titanium Complexes
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Chinese Chemical Letters 2006年 第7期17卷 887-890页
作者: Qing Fang CHENG Xing You XU Ming Yan WANG Jun CHEW Wei Xing MA Xu Jie YANG Department of Chemical Technology Huaihai Institute of Technology Lianyungang 222005 Materials Chemistry Laboratory Nanjing University of Science and Technology Nanjing 210094 不详
Asymmetric pinacol coupling of aromatic aldehydes with TiCl4-Zn in the presence of enantiopure squaric acid amidoalcohols afforded 1, 2-diols in excellent yields with high dl- diastereoselectivities and enantioselecti... 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
Enantioselective pinacol Coupling of Aromatic Aldehydes Mediated by TiCl_4(THF)_2/Zn with Tartaric Ester
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Chinese Journal of Chemistry 2004年 第9期22卷 950-952页
作者: 李有桂 江辰 赵俊 田青杉 尤田耙 Department of Chemistry University of Science & Technology of ChinaHefeiAnhui 230026China
Asymmetric pinacol coupling of aromatic aldehydes mediated by low valent titanium complexes of chiral ligands derived from natural tartaric acid provided corresponding pinacols in good yields with excellent diastereo-... 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
Direct Colorimetric Detection of Hydrogen Peroxide Using 4-Nitrophenyl Boronic Acid or Its pinacol Ester
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American Journal of Analytical Chemistry 2011年 第8期2卷 879-884页
作者: Gregory Su Yibin Wei Maolin Guo 不详
A colorimetric method for the direct determination of hydrogen peroxide in aqueous solution is described. H2O2 stoichiometrically converts 4-nitrophenyl boronic acid or 4-nitrophenyl boronic acid pinacol ester into 4-... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论