个性化文献订阅>文章检索

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   Synthesis of a Conformationally Rigid Analogue of 2-Aminoadipic Acid Containing an 8-Azabicyclo[3.2.1]octane Skeleton [作者：KUBYSHKIN VLADIMIR S; MYKHAILIUK PAVEL K; ULRICH ANNE S; KOMAROV IGOR,期刊：Synthesis, 页码：3327-3331 , 文章类型： Article，,卷期：2009年-19] A new, conformationally rigid analogue of 2-aminoadipic acid, 8-[(benzyloxy)carbonyl]-3-methylene-8-azabicyclo[3.2.1]octane-1,5-dicar boxylic acid, is synthesized from dimethyl rac-2,5-dibromohexanedioate. The key steps ... One-Pot Reaction of Secondary Phosphine Selenides with Selenium and Nitrogen Bases: A Novel Synthesis of Diorganodiselenophosphinates [作者：TROFIMOV BORIS A; ARTEMEV ALEXANDER V; GUSAROVA NINA K; MALYSHEVA SVETLANA F; FEDOROV SERGEI V; KAZHEVA OLGA N; ALEXANDROV GRIGORII G; DYACHENKO OLEG A,期刊：Synthesis, 页码：3332-3338 , 文章类型： Article，,卷期：2009年-19] A three-component reaction of secondary phosphine selenides R2P(Se)H [R = PhCH2CH2, PhCH(Me)CH2, 4-t-BuC6H4CH2CH2, (2-methyl-5-pyridyl)CH2CH2, Ph], elemental selenium, and primary, secondary, and tertiary amines and diam... Synthesis of Enantiomerically Pure Allenes with Central and Axial Chirality Mediated by a Remote Sulfinyl Group [作者：GARCIA RUANO JOSE LUIS; MARCOS VANESA; ALEMAN JOSE,期刊：Synthesis, 页码：3339-3349 , 文章类型： Article，,卷期：2009年-19] Enantiomerically pure 2-(p-tolylsulfinyl)benzylcopper reagents react with propargyl bromides and mesylates, affording enantiomerically pure allenes with central and axial chirality. Both regioselectivity (S(N)2' processe... A Practical Synthesis of beta-Keto Thioesters by Direct Crossed-Claisen Coupling of Thioesters and N-Acylbenzotriazoles [作者：ZHOU GUOQIANG; LIM DANIEL; FANG FANG; COLTART DON M,期刊：Synthesis, 页码：3350-3352 , 文章类型： Article，,卷期：2009年-19] Thioesters undergo chemoselective soft enolization and acylation with N-acylbenzotriazoles on treatment with MgBr2 center dot OEt2 and i-Pr2NEt to give beta-keto thioesters. Prior enolate formation is not required and th... Synthesis of Glycosyltransferase Inhibitors [作者：KAJIMOTO TETSUYA; NODE MANABU,期刊：Synthesis, 页码：3179-3210 , 文章类型： Review，,卷期：2009年-19] Glycosyltransferases and glycosidases work together to construct the oligosaccharide moieties of biologically active glycoconjugates. Although many excellent glycosidase inhibitors have been developed, some of which are ... Morita-Baylis-Hillman Reaction on Water without Organic Solvent, Assisted by a 'Catalytic' Amount of Amphiphilic Imidazole Derivatives [作者：ASANO KEISUKE; MATSUBARA SEIJIRO,期刊：Synthesis, 页码：3219-3226 , 文章类型： Article，,卷期：2009年-19] A Morita-Baylis-Hillman (MBH) reaction using water as a solvent without any organic solvent call be performed by using ail amphiphilic N-alkylimidazole. This reaction is accelerated by the addition of water and is the fi... A Simple, Fast and Chemoselective Method for the Preparation of Arylthiols [作者：BELLALE EKNATH V; CHAUDHARI MAHESH K; AKAMANCHI KRISHNACHARYA G,期刊：Synthesis, 页码：3211-3213 , 文章类型： Article，,卷期：2009年-19] An efficient and convenient method for the synthesis of arylthiols by reaction of sulfonyl chlorides with triphenylphosphine in toluene is reported. Synthesis and Stille Cross-Coupling Reactions of 2-(Tributylstannyl)- and 2,5-Bis(trimethylstannyl)tellurophene [作者：SWEAT DANIEL P; STEPHENS CHAD E,期刊：Synthesis, 页码：3214-3218 , 文章类型： Article，,卷期：2009年-19] Herein, we describe the synthesis and Stille cross-coupling reactions of 2-(tributylstannyl)- and 2,5-bis(trimethylstannyl)tellurophene. The reactions were most optimal when using aryl iodides as coupling partners, and a... 3-(Polyfluoroacyl)chromones and Their Hetero Analogues as Valuable Substrates for Syntheses of 4-(Polyfluoroalkyl)pyrimidines [作者：KOTLJAROV ANTON; IRGASHEV ROMAN A; IAROSHENKO VIKTOR O; SEVENARD DMITRI V; SOSNOVSKIKH VYACHESLAV YA,期刊：Synthesis, 页码：3233-3242 , 文章类型： Article，,卷期：2009年-19] Reactions of 3-(polyfluoroacyl)chromones and their hetero analogues with a number of 1,3-NCN-dinucleophiles, such as amidines or guanidines, were studied in detail, and preparative access to a set of diverse 5-salicyloyl... An Efficient Synthetic Route for Pyrrolizinone Synthesis through Functionalized C-Alkylpyrroles [作者：UNALEROGLU CANAN; TASGIN DILEK ISIK; AYTAC SERTAN; TEMELLI BARIS,期刊：Synthesis, 页码：3243-3250 , 文章类型： Article，,卷期：2009年-19] Regioselective addition of pyrrole to methyl 3-aryl-2-cyanoacrylates was achieved, in high yields, with copper(II) triflate as the catalyst in toluene. C-Alkylated pyrroles afforded novel pyrrolizin-3-ones, in good to hi... An Efficient Method for the Preparation of Versatile Building Blocks: 1-Substituted 2,2-Dimethoxyethylamine Hydrochlorides [作者：LIU BO; SU DEYONG; CHENG GUOLIN; LIU HUI; WANG XINYAN; HU YUEFEI,期刊：Synthesis, 页码：3227-3232 , 文章类型： Article，,卷期：2009年-19] A novel method for the preparation of 1-substituted 2,2-dimethoxyethylamine hydrochlorides was developed. The method includes three highly efficient steps: (1) direct use of aqueous (MeO)(2)CHCHO for the preparation of N... Enantioselective Access to All-trans 5-Alkylpiperidine-3,4-diols: Application to the Asymmetric Synthesis of the 1-N-Iminosugar (+)-Isofagomine [作者：RIVES ARNAUD; GENISSON YVES; FAUGEROUX VANESSA; SAFFON NATHALIE; BALTAS MICHEL,期刊：Synthesis, 页码：3251-3258 , 文章类型： Article，,卷期：2009年-19] Access to 3,4-disubstituted N-benzylprolinol derivatives is described that, after optimization of the ring-enlargement reaction conditions, Could be efficiently transformed into the corresponding 3-hydroxypiperidines. Th... Copper(I)-Promoted Synthesis of 4-Oxaspiro[2.4]hepta-1,6-dien-5-ones from Cyclopropenones [作者：KOERNER OLIVIA; GLEITER ROLF; ROMINGER FRANK,期刊：Synthesis, 页码：3259-3262 , 文章类型： Article，,卷期：2009年-19] Heating of dialkyl- or diarylcyclopropenones at 75 degrees C in the presence of copper(I) bromide (5 mol%) affords the corresponding 4-oxaspiro[2.4]hepta-1,6-dien-5-ones in good yields. Ethyl 2-(Diisopropoxyphosphoryl)-2H-azirine-3-carboxylate: Reactions with Nucleophilic 1,3-Dienes [作者：ALVES M JOSE; LEMOS AMERICO; RODRIGUEZBORGES JOSE ENRIQUE; GARCIAMERA XERARDO; FORTES A GIL,期刊：Synthesis, 页码：3263-3266 , 文章类型： Article，,卷期：2009年-19] Ethyl 2-(diisopropoxyphosphoryl)-2H-azirine-3-carboxylate, the First example of an azirine bearing simultaneously ester and phosphonate groups was generated in situ and reacted with a number of 1,3-dienes. Cycloadducts o... One-Pot Synthesis of beta-Amino/beta-Hydroxy Selenides and Sulfides from Aziridines and Epoxides [作者：GANESH VENKATARAMAN; CHANDRASEKARAN SRINIVASAN,期刊：Synthesis, 页码：3267-3278 , 文章类型： Article，,卷期：2009年-19] Diaryl disulfides and diselenides undergo facile cleavage on treatment with rongalite (sodium hydroxymethanesulfinate) to generate the corresponding thiolate and selenolate species in Situ, which effect the ring opening ... Total Synthesis of (+)-Dodoneine and Its 6-Epimer [作者：SABITHA GOWRAVARAM; BHASKAR VANGALA; REDDY S SIVA SANKARA; YADAV JHILLU S,期刊：Synthesis, 页码：3285-3292 , 文章类型： Article，,卷期：2009年-19] The total synthesis of dodoneine and its 6-epimer is described, using HKR of epoxide and reduction with SmI2 reactions as key steps, respectively.