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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共22条记录   Transition-Metal-Catalyzed Rearrangements of Small Cycloalkanes: Regioselectivity Trends in beta-Carbon Elimination Reactions [作者：AISSA CHRISTOPHE,期刊：Synthesis, 页码：3389-3407 , 文章类型： Review，,卷期：2011年-21] In this review, the regioselectivity of transition-metal-catalyzed ring cleavage of cyclopropanes and cyclobutanes by beta-carbon elimination is analyzed using experimental results and rationalization models from the lit... Advances in the Direct Amination of Azole C-H Bonds [作者：ZHANG MING,期刊：Synthesis, 页码：3408-3417 , 文章类型： Review，,卷期：2011年-21] The direct amination of azole C-H bonds provides a straightforward, effective access to nitrogen group containing azoles without the prefunctionalization of azoles. This review discussed the rapid advances in the direct ... Practical Preparation Methods for Highly Active Azaadamantane-Nitroxyl-Radical-Type Oxidation Catalysts [作者：SHIBUYA MASATOSHI; SASANO YUSUKE; TOMIZAWA MASAKI; HAMADA TOSHIMASA; KOZAWA MASAMI; NAGAHAMA NORIAKI; IWABUCHI YOSHIHARU,期刊：Synthesis, 页码：3418-3425 , 文章类型： Article，,卷期：2011年-21] We have recently disclosed that a less hindered class of nitroxyl radicals, i.e., 2-azaadamantan-N-oxyl (AZADO), 1-Me-AZADO, and 9-azabicyclo[3.3.1]nonan-N-oxyl (ABNO), exhibit marked catalytic activity for the oxidation... Methyl alpha-Iminotrifluoropropionate: A Novel Convenient Building Block for the Preparation of Functionalized Derivatives Bearing a Trifluoroalanine Residue [作者：RASSUKANA YULIYA V,期刊：Synthesis, 页码：3426-3428 , 文章类型： Article，,卷期：2011年-21] A convenient synthesis of methyl alpha-iminotrifluoropropionate (methyl 3,3,3-trifluoro-2-iminopropanoate, 3), based on the aza-Wittig reaction of methyl trifluoropyruvate with triphenylphosphine imide, was developed. Th... Concise Synthesis of 3-Acetoxy-N,N-dialkylbenzo[b]thiophene-2-carboxamides from 2-Ethylsulfanylbenzoates [作者：KOBAYASHI KAZUHIRO; KANBE YUUKI; HORIUCHI MAI,期刊：Synthesis, 页码：3429-3434 , 文章类型： Article，,卷期：2011年-21] A convenient method for the synthesis of 3-acetoxy-N,N-dialkylbenzo[b]thiophene-2-carboxamides has been developed in three steps from 2-ethylsulfanylbenzoates using an interrupted Pummerer reaction of N,N-dialkyl-3-(2-et... An Efficient Direct Asymmetric Synthesis of 3-Substituted Phthalides [作者：ZHANG ZHANBIN; LU YONGQIN; DUAN XINFANG,期刊：Synthesis, 页码：3435-3438 , 文章类型： Article，,卷期：2011年-21] A facile, two-step, asymmetric synthesis of 3-substituted phthalides has been developed. The enantiopure amide, obtained through coupling of 2-iodobenzoic acid with (S)-1-(pyrrolidin-2-yl-methyl)-1H-imidazole, was magnes... A Multicomponent Reaction between alpha-Substituted Acroleins, Nitroalkanes and Paraformaldehyde: Efficient Construction of Nitro delta-Lactol [作者：XIONG GUOXI; WEI MOHUI; ZHOU YIRONG; LI YUNGUI; ZHANG FANGLIN; GONG YUEFA,期刊：Synthesis, 页码：3439-3446 , 文章类型： Article，,卷期：2011年-21] A base-catalyzed multicomponent cascade reaction between alpha-substituted acroleins, nitroalkanes, and paraformaldehyde that proceeded smoothly to give high yields of functionalized delta-lactols under mild conditions, ... Convenient Synthesis of 2-Aryl-1-haloindolizines from Pyridinium Salts and 2-Aryl-1,1-dihaloalk-1-enes [作者：YANG YIWEN; KUANG CHUNXIANG; JIN HUI; YANG QING,期刊：Synthesis, 页码：3447-3452 , 文章类型： Article，,卷期：2011年-21] 2-Aryl-1-haloindolizines were synthesized from pyridinium salts and 2-aryl-1,1-dihaloalk-1-enes using a DBU/THF system. 2-Aryl-1,1-dihaloalk-1-enes containing electron-withdrawing or -donating groups were efficiently con... Stereoselective Synthesis of Polyfunctional Tetrasubstituted Alkenyl Sulfides via a Carbocupration of Alkynyl Sulfides with Aryl and Benzylic Diorganozincs [作者：DUNST CORA; METZGER ALBRECHT; ZABURDAEVA ELENA A; KNOCHEL PAUL,期刊：Synthesis, 页码：3453-3462 , 文章类型： Article，,卷期：2011年-21] A general method for the synthesis of tetrasubstituted alkenyl sulfides has been developed by the carbocupration of alkynyl sulfides with functionalized diorganozinc reagents in the presence of CuCN center dot 2LiCl. The... Mechanistic Studies on a New Catalyst System (CuI-NaHSO(4)center dot SiO(2)) Leading to the One-Pot Synthesis of Imidazo[1,2-a]pyridines from Reactions of 2-Aminopyridines, Aldehydes, and Terminal Alkynes [作者：MISHRA SARITA; GHOSH RINA,期刊：Synthesis, 页码：3463-3470 , 文章类型： Article，,卷期：2011年-21] One-pot reactions of aldehydes, 2-aminopyridines, and terminal alkynes, in the presence of the copper(I) iodide-NaHSO(4)center dot SiO(2) combination catalyst in refluxing toluene, generate the corresponding imidazo[1,2-... A Simple and Efficient Metal-Free Synthesis of Tetrasubstituted Pyrroles by Iodine-Catalyzed Four-Component Coupling Reaction of Aldehydes, Amines, Dialkyl Acetylenedicarboxylates, and Nitromethane [作者：DAS BISWANATH; BHUNIA NISITH; LINGAIAH MARAM,期刊：Synthesis, 页码：3471-3474 , 文章类型： Article，,卷期：2011年-21] The four-component coupling reaction of aldehydes, amines, dialkyl acetylenedicarboxylates, and nitromethane in the presence of molecular iodine as a catalyst furnished the corresponding 1,2,3,4-tetrasubstituted pyrroles... A Mild One-Pot Conversion of Alkenes into Amines through Tandem Ozonolysis and Reductive Amination [作者：KYASA SHIVAKUMAR; FISHER THOMAS J; DUSSAULT PATRICK H,期刊：Synthesis, 页码：3475-3481 , 文章类型： Article，,卷期：2011年-21] The selective reduction of hydroperoxyacetals to aldehydes by sodium triacetoxyborohydride provides the basis for a mild one-pot synthesis of amines from alkenes. Phosphonium Salt Catalyzed Addition of Diethylzinc to Aldehydes [作者：WERNER THOMAS; RIAHI ABDOL MAJID; SCHRAMM HEIKO,期刊：Synthesis, 页码：3482-3490 , 文章类型： Article，,卷期：2011年-21] The addition of diethylzinc to aromatic, heteroaromatic, and aliphatic aldehydes at room temperature is efficiently catalyzed by 1-7 mol% tetrabutylphosphonium chloride. The corresponding addition products are obtained i... Solvent-Free and Efficient Synthesis of Highly Functionalized Cyclohexa-1,3-diene Derivatives via a Novel One-Pot Three-Component Reaction [作者：ALIZADEH ABDOLALI; REZVANIAN ATIEH; MOKHTARI JAVAD,期刊：Synthesis, 页码：3491-3495 , 文章类型： Article，,卷期：2011年-21] A catalyst-free and convenient approach for the preparation of cyclohexa-1,3-dienecarboxylate derivatives is described. This three-component reaction between primary amines, alkyl acetoacetate, and dibenzylideneacetone p... Suzuki-Miyaura and Negishi Approaches to a Series of Forensically Relevant Pyridines and Pyrimidines [作者：BLACHUT DARIUSZ; SZAWKALO JOANNA; CZARNOCKI ZBIGNIEW,期刊：Synthesis, 页码：3496-3506 , 文章类型： Article，,卷期：2011年-21] A library of 5-aryl-4-methylpyrimidines, phenyl ring-substituted derivatives of 4-benzylpyrimidines, 2,6-benzylpyridines, and 2,6-dibenzyl-4-methylpyridines were prepared. The synthesis of 5-aryl-4-methylpyrimidines was ... Chemoselective Activation of Trimethylsilyl Enol Ether Functionalities in the Presence of Silyl-Protected Alcohols by Trimethylsilyl-Nonaflyl Exchange [作者：BOLTUKHINA EKATERINA V; SHESHENEV ANDREY E; LYAPKALO ILYA M,期刊：Synthesis, 页码：3507-3515 , 文章类型： Article，,卷期：2011年-21] Trimethylsilyl enol ethers bearing trialkylsilyl-protected hydroxy groups were converted into synthetically valuable bifunctional alkenyl nonaflates under the action of nonafluorobutane-1-sulfonyl fluoride combined with ...