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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34条记录   Artificial Metalloenzymes: Combining the Best Features of Homogeneous and Enzymatic Catalysis [作者：PORDEA ANCA; WARD THOMAS R,期刊：SYNLETT, 页码：3225-3236 , 文章类型： Review，,卷期：2009年-20] By combining homogeneous with enzymatic catalysis, artificial metalloenzymes offer new perspectives for conferring unnatural activities to biomolecules. The article reassembles the important advances in the field of thes... Chemistry of 2-Arylhydrazonals [作者：ABDELHAMID ISMAIL ABDELSHAFY; NASRA MIEAD ADEL; ELNAGDI MOHAMED HILMY,期刊：SYNLETT, 页码：3237-3251 , 文章类型： Article，,卷期：2009年-20] Approaches for the preparation of 2-arylhydrazonals as well as the chemical reactivity profiles and structures of these substances are reviewed. Emphasis is given to the use of these substances in the synthesis of five- ... Thieme Chemistry Journal Awardees - Where Are They Now? Synthesis and Optical Properties of Nile Red Modified 2 '-Deoxyuridine and 7-Deaza-2 '-deoxyadenosine: Highly Emissive Solvatochromic Nucleosides [作者：VARGHESE REJI; GAJULA PRAVEEN KUMAR; CHAKRABORTY TUSHAR KANTI; WAGENKNECHT HANSACHIM,期刊：SYNLETT, 页码：3252-3257 , 文章类型： Article，,卷期：2009年-20] A general synthetic strategy for the attachment of Nile red through a rigid acetylene linker to 2'-deoxyuridine and 7-deaza-2'-deoxyadenosine using Sonogashira coupling is demonstrated. Protection of either 5'-OH or N-7 ... Thieme Chemistry Journal Awardees - Where Are They Now? Approaches to Tagetitoxin and its Decarboxy Analogue from D-Glucose [作者：PLET JULIEN R H; SANDHU AMANDEEP KAUR; SEHAILIA MOUSSA; PORTER MICHAEL J,期刊：SYNLETT, 页码：3258-3262 , 文章类型： Article，,卷期：2009年-20] A fifteen-step route has been developed from 1,6-anhydro-beta-D-glucopyranose to a C-alkynyl glycoside precursor of decarboxytagetitoxin. Preparation of 1,6-anhydro-5-C-vinyl-beta-D-glucopyranose, a potential precursor o... A One-Pot, Four-Component Synthesis of N-Substituted 2,4-Diarylimidazoles [作者：ADIB MEHDI; ANSARI SAMIRA; FEIZI SHAHZAD; DAMAVANDI JAFAR ASGARIAN; MIRZAEI PEIMAN,期刊：SYNLETT, 页码：3263-3266 , 文章类型： Article，,卷期：2009年-20] A one-pot, four-component synthesis of 1,2,4-trisubstituted 1H-imidazoles is described. Heating a mixture of a 2-bromoacetophenone, an aldehyde, a primary amine, and ammonium acetate under solvent-free conditions affords... Efficient Stereoselective Glycosylations of Alcohols by Sugar Perpivalates: The First Use of 1-O-Pivaloylated Glycosyl Donors [作者：PUKIN ALIAKSEI V; ZUILHOF HAN,期刊：SYNLETT, 页码：3267-3270 , 文章类型： Article，,卷期：2009年-20] 1-O-Pivaloyl glycosides were shown to be efficient glycosyl donors by using the perpivaloylated derivatives of lactose, galactose and glucose in the direct ZnCl2-promoted glycosylations of various alcohols. The correspon... Enantiopure Dicyclopropanes from trans-Cyclohexadienediols [作者：HAUSMANN TOBIAS; PIETRUSZKA JOERG,期刊：SYNLETT, 页码：3271-3274 , 文章类型： Article，,卷期：2009年-20] The protecting-group-induced highly regio- and enantioselective syntheses of dicyclopropanated building blocks starting from microbially produced trans-2,3-dihydroxy-2,3-dihydrobenzoic acid are described. Key to the succ... Microwave Irradiation as an Effective Means of Synthesizing Unsubstituted N-Linked 1,2,3-Triazoles from Vinyl Acetate and Azides [作者：HANSEN SIGNE GRANN; JENSEN HENRIK HELLIGSO,期刊：SYNLETT, 页码：3275-3278 , 文章类型： Article，,卷期：2009年-20] N-Linked 1,2,3-triazoles have been prepared by a reaction of azides with vinyl acetate under microwave irradiation. Additionally, a microwave-assisted, two-step, one-pot procedure from halides involving azide substitutio... A Chiral Bifunctional Sulfonamide as an Organocatalyst: Alcoholysis of sigma-Symmetric Cyclic Dicarboxylic Anhydrides [作者：HONJO TAKASHI; TSUMURA TAKESHI; SANO SHIGEKI; NAGAO YOSHIMITSU; YAMAGUCHI KENTARO; SEI YOSHIHISA,期刊：SYNLETT, 页码：3279-3282 , 文章类型： Article，,卷期：2009年-20] Enantioselective alcoholysis of sigma-symmetric cyclic dicarboxylic anhydrides with benzyl alcohol catalyzed by a chiral bifunctional sulfonamide was achieved in up to 98% ee at 5 mol% loading. First Use of HEH in Oxazine Synthesis: Hydroxy-Substituted 2H-1,4-Benzoxazine Derivatives [作者：MENG QINGYUAN; LIU QIANG; LI JING; XING RUIGUANG; SHEN XIAOXIA; ZHOU BO,期刊：SYNLETT, 页码：3283-3286 , 文章类型： Article，,卷期：2009年-20] The synthesis of 2H-1,4-benzoxazine derivatives from 1,2-epoxy-3-(2-nitroaryloxy)propanes in the presence of Hantzsch 1,4-dihydropyridine (HEH) and Pd/C as a catalyst was achieved. The nitro group was reduced before the ... Organocatalytic Synthesis of Terminal Propargylamine Derivatives by Tandem Amination-Alkynylation [作者：WANG YU; PENG FANGZHI; ZHANG HONGBIN; SHAO ZHIHUI,期刊：SYNLETT, 页码：3287-3290 , 文章类型： Article，,卷期：2009年-20] The first organocatalytic synthesis of terminal propargylic amines from aldehydes via tandem amination/Seyferth-Gilbert alkynylation has been developed. The described protocol provides the formal addition products of ace... Biomimetic Oxidation of Alcohols Catalyzed by TEMPO-Functionalized Polyethylene Glycol and Copper(I) Chloride in Compressed Carbon Dioxide [作者：MIAO CHENGXIA; HE LIANGNIAN; WANG JINQUAN; GAO JIAN,期刊：SYNLETT, 页码：3291-3294 , 文章类型： Article，,卷期：2009年-20] Recyclable TEMPO-functionalized polyethylene glycol [PEG(6000)-(TEMPO)(2)] in combination with cuprous chloride were developed for biomimetic oxidation of a series of benzylic, allylic, heterocyclic alcohols, and 2-pheny... DABCO-Induced [2+2+2]-Cycloaddition Reaction of Ethyl Propiolate and Aryl Aldehydes for the Synthesis of 4-Aryl-4H-pyrans [作者：LIU WEIBING; JIANG HUANFENG; ZHOU PENG; ZHU SHIFA,期刊：SYNLETT, 页码：3295-3298 , 文章类型： Article，,卷期：2009年-20] The first DABCO-induced [2+2+2]-cycloaddition reaction of ethyl propiolate and aryl aldehydes is reported for selectively constructing 4-aryl-4H-pyrans in moderate to good yields. Synthesis of N-Substituted 2-Fluoromethylbenzimidazoles via Bis(trifluoroacetoxy)iodobenzene-Mediated Intramolecular Cyclization of N,N '-Disubstituted Fluoroethanimidamides [作者：ZHU JIANGTAO; XIE HAIBO; CHEN ZIXIAN; LI SHAN; WU YONGMING,期刊：SYNLETT, 页码：3299-3302 , 文章类型： Article，,卷期：2009年-20] A mild and efficient method for the synthesis of N-substituted 2-fluoromethylbenzimidazoles via [bis(trifluoroacetoxy)iodo]benzene-mediated intramolecular cyclization of N,N'-disubstituted bromodifluoro (or trifluoro) et... Insights into the Conversion of Propargylic Tosylates into Bromoallenes [作者：JIAN YAJUN; WU YIKANG,期刊：SYNLETT, 页码：3303-3306 , 文章类型： Article，,卷期：2009年-20] All aspects of the title reaction, essentially the only entry into optically active 3-monosubstituted-1-bromoallenes up to now, have been probed systematically for the first time. The new results show that: (1) there is ... Synthesis of Pentafluorophenyl Esters of Nitroveratryloxycarbonyl-Protected Amino Acids [作者：SHIN DONGSIK; LEE YOONSIK,期刊：SYNLETT, 页码：3307-3310 , 文章类型： Article，,卷期：2009年-20] For efficient peptide synthesis on a glass chip, 20 kinds of pentafluorophenyl (Pfp) esters of nitroveratryloxycarbonyl (NVOC)-protected amino acids were synthesized by using Pfp trifluoroacetate. Simple purification ste...