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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31条记录   Synthesis of an Advanced Intermediate of the Macrotricyclic Core of Roseophilin [作者：HONG MEILING; LIU HUI; SUN LI; JIA FEIFEI; LIU YUANYUAN; JIANG QINGWEI; SONG CHUANJUN; CHANG JUNBIAO,期刊：SYNLETT, 页码：2995-2996 , 文章类型： Article，,卷期：2011年-20] A facile approach for the preparation of a cyclopenta[b] pyrrole derivative, the key precursor in Frontier's synthesis of the macrotricyclic core of roseophilin, was developed. The key steps involved two successive pyrro... Sterically Controlled Stereoregulation in Aldol Reactions of 3-Aryl-1-alkyl Dihydrothiouracils [作者：KUMAR VARUN; KHATIK GOPAL L; NAIR VIPIN A,期刊：SYNLETT, 页码：2997-3001 , 文章类型： Article，,卷期：2011年-20] Aldol reactions of 3-aryl-1-alkyl dihydrothiouracils were investigated with respect to the orientation of the exocyclic group at N1, electronic effects of the aryl substituent at N3 and the steric demands of the electrop... Synthesis of the C1-C13 Fragment of Biselyngbyaside [作者：SAWANT PRAMOD; MAIER MARTIN E,期刊：SYNLETT, 页码：3002-3004 , 文章类型： Article，,卷期：2011年-20] An advanced intermediate vinyl iodide corresponding to the C1-C13 fragment of the macrolide biselyngbyaside was prepared by a cross-metathesis reaction between vinyl alcohol and alkene building blocks. The latter fragmen... A Pictet-Spengler Cyclisation Methodology for the Construction of Nonproteinogenic Tetrahydroisoquinoline Quaternary Amino Acids [作者：PAGE PHILIP C BULMAN; PARKES GENNA A; BUCKLEY BENJAMIN R; WAILES J STEVEN,期刊：SYNLETT, 页码：3005-3007 , 文章类型： Article，,卷期：2011年-20] A simple highly stereoselective route to tetrahydroisoquinoline quaternary amino acids from phenylalanine is described. An Efficient Copper-Catalyzed Microwave-Assisted S-Arylation towards the Synthesis of 8-Arylsulfanyl Adenines [作者：SUN WEILIN; PATEL PALLAV D; STEPHANI RALPH A; CHIOSIS GABRIELA,期刊：SYNLETT, 页码：3008-3012 , 文章类型： Article，,卷期：2011年-20] We report a microwave-assisted synthetic protocol for the C-S cross-coupling reaction of aryl iodides and 8-mercaptoadenine using CuI and n-Bu(4)NBr with NaOt-Bu in DMF. The method is rapid, simple, and cost efficient, a... Towards the First Chemical Synthesis of the Hexasaccharide O-Antigen of Vibrio cholerae O139 [作者：HOU SHUJIE; SAIL DEEPAK; KOVAC PAVOL,期刊：SYNLETT, 页码：3013-3017 , 文章类型： Article，,卷期：2011年-20] The hexasaccharide O-antigen of Vibrio cholerae O139 was synthesized in its protected form from thioglycosides and glycosyl bromides as glycosyl donors by a stepwise and blockwise approach. The synthesis was designed to ... Synthetic Studies toward 3-(Acylamino)-1H-indazoles and Development of a One-Pot, Microwave-Assisted, Oxadiazole Condensation/Boulton-Katritzky Rearrangement [作者：OTT GREGORY R; ANZALONE ANDREW V,期刊：SYNLETT, 页码：3018-3022 , 文章类型： Article，,卷期：2011年-20] Studies on the Boulton-Katritzky rearrangement of 3-(2-aminoaryl)-1,2,4-oxadiazoles have led to the identification of additional electronic factors that govern the rearrangement as well as a competitive thermal rearrange... Synthesis of Dibenzofurans by Palladium-Catalysed Tandem Denitrification/C-H Activation [作者：DU ZHENTING; ZHOU JING; SI CHANGMEI; MA WEILI,期刊：SYNLETT, 页码：3023-3025 , 文章类型： Article，,卷期：2011年-20] A palladium-catalysed method for intramolecular cyclisation of ortho-diazonium salts of diaryl ethers to give dibenzofurans is described. The protocol uses 3 mol% palladium acetate as the catalyst in refluxing ethanol in... Regiospecific Synthesis of 3,4-Dihydrocoumarins via Substrate-Controlled [1,3]- or [3,3]-Sigmatropic Rearrangement [作者：XU XIANGSHENG; LI XIAOQING; YAN XINHUAN; WANG HANSHEN; DENG YUN; SHAO JIANGBIN,期刊：SYNLETT, 页码：3026-3030 , 文章类型： Article，,卷期：2011年-20] A regiospecific synthesis of 3,4-dihydrocoumarin derivatives has been achieved involving tandem rearrangement-cyclization of (E)-2-(aryloxymethyl) alk-2-enoates catalyzed by a Pd/Cu bimetallic system. Unexpected substrat... Metal-Free Relay Oxidation: Valuable Synthesis of Acylsilane and Ketones under Aerobic Oxidation [作者：BAI XINGFENG; GAO GUANG; ZHENG ZHANJIANG; LI FEI; LAI GUOQIAO; JIANG KEZHI; LI FUWEI; XU LIWEN,期刊：SYNLETT, 页码：3031-3035 , 文章类型： Article，,卷期：2011年-20] In this letter, an example of interesting metal-free relay air oxidation of alpha-hydroxysilanes, promoted by the hydroperoxidated carbonyl compounds derived from the Michael reaction of 5,5-dimethylcyclohexane-1,3-dione... Concise Diverted Total Synthesis of Amphidinolide T1 and T4 from a (12E)-Cycloalkene by Selective Functionalization of the C12-C13 Double Bond [作者：SUN LIJIE; WU DONGDONG; WU JINLONG; DAI WEIMIN,期刊：SYNLETT, 页码：3036-3040 , 文章类型： Article，,卷期：2011年-20] Starting from a 19-membered (12E)-cycloalkene prepared by ring-closing metathesis, amphidinolide T1 and T4 were efficiently synthesized via a short sequence of selective functionalization. The key steps highlighted stere... An Efficient Copper-Catalyzed One-Pot Synthesis of Diaryl Thioethers by Coupling of Arylboronic Acids with Potassium Ethyl Xanthogenate under Mild Conditions [作者：WANG LIANG; ZHOU WEIYOU; CHEN SHENGCHUN; HE MINGYANG; CHEN QUN,期刊：SYNLETT, 页码：3041-3045 , 文章类型： Article，,卷期：2011年-20] A simple and environmentally benign one-pot synthesis of diaryl thioethers by coupling of arylboronic acids with potassium ethyl xanthogenate through a double arylation process has been developed. The aryl thiols were ge... An Eficient One-Pot Synthesis of Macrocyclic Compounds Possessing Propargylamine Skeletons via Mannich Reaction [作者：PANG TAO; YANG QINWAN; GAO MENG; WANG MENG; WU ANXIN,期刊：SYNLETT, 页码：3046-3052 , 文章类型： Article，,卷期：2011年-20] A new efficient method using the Mannich three-component reaction in one pot to synthesize [1+2+1]- and [2+4+2]-macrocyclic compounds possessing a propargylamine backbone was reported. Interestingly, 1,4-diazepane as a m... Silver Carbonate [作者：JURBERG IGOR DIAS,期刊：SYNLETT, 页码：3053-3054 , 文章类型： Editorial Material，,卷期：2011年-20] Bis(trifluoromethanesulfonyl)imide [作者：RENDINA VICTOR L,期刊：SYNLETT, 页码：3055-3056 , 文章类型： Editorial Material，,卷期：2011年-20]