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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24条记录   Merrifield Resin Supported Ionic LiquidS/L-Proline as Efficient and Recyclable Catalyst Systems for Asymmetric Aldol Reaction [作者：WANG ZULI; YAN JINCAN; ZHANG XIULI; WANG LEI,期刊：Synthesis, 页码：3744-3750 , 文章类型： Article，,卷期：2009年-22] Merrifield resin Supported ionic liquidS/L-proline as efficient and recyclable catalyst systems for asymmetric aldol reaction have been developed. I-Proline with Merrifield resin supported ionic liquids can catalyze asym... Efficient Synthesis of (R)- and (S)-alpha-(Hydroxymethyl)pyroglutamic Acid Esters from L-Proline [作者：SHINADA TETSURO; YOSHIDA HIROKI; OHFUNE YASUFUMI,期刊：Synthesis, 页码：3751-3756 , 文章类型： Article，,卷期：2009年-22] An efficient synthesis of (R)- and (S)-alpha-(hydroxymethyl)pyroglutamic acid esters from L-proline has been achieved. Each step was carried out on a decagram scale to access the N-protected (R)-ester in a highly efficie... Facile Incorporation of a Phosphatase Activity-Dependent Quinone Methide Generating Motif into Phosphotyrosine [作者：SHEN KUI; QI LIXIN; RAVULA MOHINI,期刊：Synthesis, 页码：3765-3768 , 文章类型： Article，,卷期：2009年-22] A novel phosphotyrosine analogue that incorporates a phosphatase activity-dependent quinone methide generating motif is synthesized from tyrosine. Following orthoformylation of the phenol moiety of methyl N-Cbz-tyrosinat... Palladium(II)-Catalyzed ortho Arylation of 2-Phenylpyridines with Potassium Aryltrifluoroborates by C-H Functionalization [作者：CHU JEANHO; TSAI SHIANGLIN; WU MINGJUNG,期刊：Synthesis, 页码：3757-3764 , 文章类型： Article，,卷期：2009年-22] An efficient one-pot synthesis of ortho-arylated 2-phenylpyridine and pyridine derivatives by use of potassium aryltrifluoroborates is presented. The optimal reaction conditions are as follows: the 2-phenylpyridine or py... Synthesis of N-Activated Aziridines of Long-Chain Fatty Acid Esters [作者：BOTTEGA DIANA PAGLIOCCHI; MARTINELLI MARCIA; KOETZ MARIANA,期刊：Synthesis, 页码：3769-3774 , 文章类型： Article，,卷期：2009年-22] An alternative one-step synthesis of N-activated aziridines of naturally occurring fatty acid esters from olive oil and Sunflower oil has been achieved. N-Tosylaziridine derivatives were obtained in yields ranging from 8... Investigation of a Unified Strategy for the Synthesis of Anatoxin Analogues: Scope and Limitations [作者：ROE STEPHEN J; HUGHES DAVID L; AGGARWAL POOJA; STOCKMAN ROBERT A,期刊：Synthesis, 页码：3775-3784 , 文章类型： Article，,卷期：2009年-22] Syntheses of the potent neurotoxins and biochemical probes anatoxin-a and homoanatoxin and several analogues by a combined two-directional synthesis-tandem reaction strategy are presented. Key steps include an oxidative ... O,S-Dimethyl Carbonodithioate as a Phosgene Substitute for the Preparation of S-Methyl Alkylcarbamothioates and Dialkylcarbamothioates [作者：DEGANI IACOPO; FOCHI RITA; MAGISTRIS CLAUDIO,期刊：Synthesis, 页码：3807-3818 , 文章类型： Article，,卷期：2009年-22] O,S-Dimethyl carbonodithioate is proposed as a suitable and safely handled reagent that can be used as a replacement for phosgene in the synthesis of S-methyl alkyl- and dialkylcarbamothioates. The former were obtained b... Open-Vessel Microwave-Mediated [2+2+2]-Cyclotrimerization Reactions [作者：YOUNG DOUGLAS D; TESKE JESSE A; DEITERS ALEXANDER,期刊：Synthesis, 页码：3785-3790 , 文章类型： Article，,卷期：2009年-22] [2+2+2]-Cyclotrimerization reactions often suffer from low reaction rates and low chemoselectivity. We are reporting a solution to both problems through the use of open-vessel conditions for microwave-mediated cyclotrime... Synthesis of (E)-Stilbenes and (E,E)-1,4-Diphenylbuta-1,3-diene Promoted by Boron Trifluoride-Diethyl Ether Complex [作者：NARENDER T; REDDY K PAPI; MADHUR G,期刊：Synthesis, 页码：3791-3796 , 文章类型： Article，,卷期：2009年-22] An efficient, simple, and practical method has been developed to regioselectively synthesize (E)-stilbenes and (E,E)-1,4-diphenylbuta-1,3-diene in good to excellent yields in the presence of boron trifluoride-diethyl eth... A Straightforward Synthesis of (S)-Anabasine via the Catalytic, Enantioselective Vinylogous Mukaiyama-Mannich Reaction [作者：GIERA DAVID S; SICKERT MARCEL; SCHNEIDER CHRISTOPH,期刊：Synthesis, 页码：3797-3802 , 文章类型： Article，,卷期：2009年-22] The tobacco alkaloid (S)-anabasine was synthesized by a straightforward 4-step sequence with the catalytic enantioselective vinylogous Mannich reaction as a key step. Only 3 mol% of a structurally optimized chiral BINOL-... Efficient Methods for the Synthesis of Thieno[3,2-b]thiophene and Thieno[3,2-b]furan Derivatives [作者：SHIRINIAN VALERII Z; SHIMKIN ALEXEY A; TIPIKIN STEPAN N; KRAYUSHKIN MIKHAIL M,期刊：Synthesis, 页码：3803-3806 , 文章类型： Article，,卷期：2009年-22] A novel approach to the synthesis of thieno[3,2,b]thiophenes and thieno[3,2-b]furans bearing various substituents from readily accessible starting materials has been developed. The methodology is based on C- and O-alkyla... Synthesis of 1,11-Dihydro-2H-[1,3]oxazolo[4 ',5 ':5,6]indeno[1,2-b]quinolin-2-ones with Potential Topoisomerase I Inhibitory Activity [作者：DELOT MARC; CARATO PASCAL; FURMAN CHRISTOPHE; LEMOINE AMELIE; LEBEGUE NICOLAS; BERTHELOT PASCAL; YOUS SAID,期刊：Synthesis, 页码：3819-3822 , 文章类型： Article，,卷期：2009年-22] A series of 1,11-dihydro-2H-[1,3]oxazolo[4',5':5,6]indeno[1,2-b]quinolin-2-ones were prepared by means of Friedlander condensations. The starting materials for the preparations were commercial substituted-2-aminoacetophe... A Facile Synthetic Approach to the Preparation of 3-Pyridyl Derivatives: Preparations and Coupling Reactions of 3-Pyridylzinc and Its Analogues [作者：KIM SEUNGHOI; SLOCUM TIM B; RIEKE REUBEN D,期刊：Synthesis, 页码：3823-3827 , 文章类型： Article，,卷期：2009年-22] A facile synthetic approach to the direct preparation of 3-pyridylzinc bromide has been demonstrated using Rieke zinc with 3-bromopyridine in the presence of a catalytic amount of lithium chloride. A variety of different... A New and More Efficient Synthesis of Methylene Acetals [作者：CHU GUOBIAO; ZHANG YANQIAO; LI CHUNBAO; ZHANG YUQING,期刊：Synthesis, 页码：3828-3832 , 文章类型： Article，,卷期：2009年-22] A new and efficient synthesis of benzyl chlorides and methylene acetals by use of 2,4-dichloro-6-methoxy[1,3,5]triazine (MeOTCT) and dimethyl sulfoxide has been developed. Chlorides are the major products for benzyl alco... An Improved Synthesis of 2-Aryl-1,1-bis(trimethylsilyl)ethenes [作者：PAWLUC PIOTR; HRECZYCHO GRZEGORZ; MADALSKA MARTYNA; SZUDKOWSKA JUSTYNA; KUBICKI MACIEJ; MARCINIEC BOGDAN,期刊：Synthesis, 页码：3843-3847 , 文章类型： Article，,卷期：2009年-22] A series of new 2-aryl-1,1-bis(trimethylsilyl)ethenes containing ortho-, meta-, and para-substituted aryl or heteroaryl groups has been efficiently synthesized using an improved two-step approach based on a silylative Co... Total Synthesis of (+/-)-Petasitolone and (+/-)-Fukinone [作者：PASIKANTI SRINIVAS; REDDY DUMBALA SRINIVASA; IQBAL JAVED; DUBEY PRAMOD KUMAR; DAS PARTHASARATHI,期刊：Synthesis, 页码：3833-3837 , 文章类型： Article，,卷期：2009年-22] An efficient, general, and fully stereocontrolled synthesis of eremophilane-type compounds is disclosed. The approach features a highly diastereoselective Diels-Alder/aldol sequence to give a common intermediate, which i...