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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32条记录   Large Molecules - Small Energies: Challenges for Contemporary Quantum Chemistry [作者：SCHWABE TOBIAS; HUENERBEIN ROBERT; GRIMME STEFAN,期刊：SYNLETT, 页码：1431-1441 , 文章类型： Article，,卷期：2010年-10] New developments in computational chemistry which allow an accurate treatment of large molecules are presented. Along with a short introduction to the theoretical methods, highlights of current applications in organic ch... From Vinylogation to Alkynylogation: Extending the Reactivity of Enolates [作者：XU BO; HAMMOND GERALD B,期刊：SYNLETT, 页码：1442-1454 , 文章类型： Article，,卷期：2010年-10] Extending reactivity through conjugated multiple carbon-carbon bonds can be a rapid way to expand the scope of synthetic chemistry. In this account, we describe our research on the alkynylogation of enolates. We conducte... An Efficient Synthesis of New Aza-Substituted Indoles via Michael-Type Addition [作者：BAYINDIR SINAN; ERDOGAN ESRA; KILIC HAYDAR; SARACOGLU NURULLAH,期刊：SYNLETT, 页码：1455-1458 , 文章类型： Article，,卷期：2010年-10] An efficient method has been developed for the synthesis of new aza-substituted indoles. The methodology involves a two-step synthesis. The first step involves the Michael addition of indoline with various Michael accept... Rhodium-Catalyzed Asymmetric Hydrosilylation of Ketones Employing a New Ligand Embodying the Bis(oxazolinyl)pyridine Moiety [作者：GHOSHAL ATANU; SARKAR ASIT R; MANICKAM GOVINDASWAMY; KUMARAN R SENTHIL; JAYASHANKARAN J,期刊：SYNLETT, 页码：1459-1462 , 文章类型： Article，,卷期：2010年-10] A general approach to new ligands embodying bis(oxazolinyl)pyridine has been developed, employing palladium-catalyzed Suzuki coupling and base-mediated cyclization as pivotal steps. A rhodium catalyst derived from the li... Palladium-Catalyzed Intramolecular C-H Activation: A Synthetic Approach towards Polycyclic Aromatic Hydrocarbons [作者：PAUL SUNANDA; JANA RATHIN; RAY JAYANTA K,期刊：SYNLETT, 页码：1463-1468 , 文章类型： Article，,卷期：2010年-10] A simple and convenient synthetic protocol for the construction of polycyclic aromatic hydrocarbons has been developed. A variety of phenanthrene, benzo[c]phenanthrene and chrysene derivatives was synthesized via Pd-cata... An Unprecedented and Concise Method for the Synthesis of 1,3-Thiazino-[3,4a][1,3]benzimidazoles via a Three-Component Reaction [作者：ALIZADEH ABDOLALI; NOAPARAST ZOHREH; SABAHNOO HAMIDEH; ZOHREH NASRIN,期刊：SYNLETT, 页码：1469-1472 , 文章类型： Article，,卷期：2010年-10] For the first time, a novel, simple, and highly efficient synthesis of N-aryl-N-[1,3]thiazino[3,4a][1,3]benzimidazol-1ylidenamines is presented. The one-pot reaction of o-phenylenediamine, aryl isothiocyanate, and methyl... A New Synthesis of (R)-(-)-Sumanirole (PNU-95666E) [作者：JEANGERARD LUDIVINE; MACE FREDERIC; DENTEL HELENE; NGO ANH NGOC; COLLET SYLVAIN; GUINGANT ANDRE; EVAIN MICHEL,期刊：SYNLETT, 页码：1473-1476 , 文章类型： Article，,卷期：2010年-10] A twelve-step synthesis of (R)-(-)-sumanirole hydrochloride, starting from quinoline, has been achieved. The key reaction features selective epoxidation of the C3-C4 double bond of a 1,2-dihydroquinoline bearing a chiral... An Efficient Synthesis of Highly Functionalized 4H-Pyrano[3,2-d]isoxazoles via Isocyanide-Based Three-Component Reaction [作者：ESMAEILI ABBAS ALI; HOSSEINABADI RAHELE; HABIBI AZIZOLLAH,期刊：SYNLETT, 页码：1477-1480 , 文章类型： Article，,卷期：2010年-10] We present a novel, convenient, and efficient method for synthesizing polysubstituted 4H-pyrano[3,2-d]isoxazoles based on a three-component reaction. The zwitterions generated from the reaction of isocyanides and dialkyl... Desulfonylation of Indoles and 7-Azaindoles Using Sodium tert-Butoxide [作者：CHAULET CHARLOTTE; CROIX CECILE; BASSET JOAN; PUJOL MARIADOLORES; VIAUDMASSUARD MARIECLAUDE,期刊：SYNLETT, 页码：1481-1484 , 文章类型： Article，,卷期：2010年-10] A mild method for the desulfonylation of N-indoles and N-azaindoles is described. Deprotection is carried out under basic conditions, using sodium tert-butoxide in dioxane. Several functionalized indoles and 7-azaindoles... HClO4-SiO2 as a Novel and Recyclable Catalyst for the Phospha-Michael Addition of Phosphorous Nucleophiles to alpha,beta-Unsaturated Malonates [作者：SOBHANI SARA; REZAZADEH SOODABEH,期刊：SYNLETT, 页码：1485-1488 , 文章类型： Article，,卷期：2010年-10] An efficient synthesis of beta-phosphono malonates via phospha-Michael addition of phosphorous nucleophiles to alpha,beta-unsaturated malonates in the presence of HClO4-SiO2 as a new and recyclable catalyst is described.... Enantioenriched Naphthoquinone Mannich Bases by Organocatalyzed Nucleophilic Additions to in situ Formed Imines [作者：AYAZ MUHAMMAD; WESTERMANN BERNHARD,期刊：SYNLETT, 页码：1489-1492 , 文章类型： Article，,卷期：2010年-10] Organocatalytic nucleophilic addition of 2-hydroxyl-naphthaquinone to imines is reported. This new route can be used to produce enantioenriched Mannich bases with excellent yields and moderate enantioselectivities. An Ethynyl-Substituted 1,5,7-Trimethyl-3-azabicyclo[3.3.1]nonan-2-one as a Versatile Precursor for Chiral Templates and Chiral Photocatalysts [作者：VOSS FELIX; BACH THORSTEN,期刊：SYNLETT, 页码：1493-1496 , 文章类型： Article，,卷期：2010年-10] The title compound was synthesized and separated into its enantiomers. The enantiomerically pure alkyne was ligated to several aryl azides and aryl halides. The resulting 7-substituted 1,5,7-trimethyl-3-azabicyclo[3.3.1]... A Short and Efficient Route from myo- to neo-Inositol [作者：WESSIG PABLO; MOELLNITZ KRISTIAN; HUEBNER SEBASTIAN,期刊：SYNLETT, 页码：1497-1500 , 文章类型： Article，,卷期：2010年-10] An efficient route from myo- to neo-inositol is described. The key steps of the sequence are oxidation of the hydroxy group at C-5 to the corresponding ketone, followed by a highly (dr = 7.8:1) stereoselective reduction.... An Efficient Access to Conformationally Rigid Amino Acid Analogues with a Piperidine Skeleton [作者：PURKAYASTHA NIRUPAM; HAUFE GUENTER,期刊：SYNLETT, 页码：1501-1504 , 文章类型： Article，,卷期：2010年-10] Two unnatural conformationally constrained cyclic amino acid derivatives with the piperidine skeleton were synthesized in enantiomerically pure forms. The key step in the synthesis of these amino acids is the highly dias... Selective and Facile Palladium-Catalyzed Amination of 2-Fluoro-4-iodopyridine in the 4-Position under Microwave Conditions [作者：KOLEY MOUMITA; SCHNUERCH MICHAEL; MIHOVILOVIC MARKO D,期刊：SYNLETT, 页码：1505-1510 , 文章类型： Article，,卷期：2010年-10] The selective C-N cross-coupling of 2-fluoro-4-iodopyridine with aromatic amines is reported. In contrast to conventional substitutions where C-N bond formation takes place at the 2-position (e. g., 2,4-dichloropyridine)... Anionic Cyclization of N-(trans-2,3-Diphenylaziridin-1-yl)imines: Its Application to Sesquiterpene Synthesis via Consecutive Carbon-Carbon Bond-Formation Approach [作者：KIM SUNGGAK; HWANG JUNGIL,期刊：SYNLETT, 页码：1511-1514 , 文章类型： Article，,卷期：2010年-10] The anionic consecutive carbon-carbon (CC-C) bond formation can be achieved by the anionic cyclizations of N-(trans-2,3-diphenylaziridin-1-yl)imines with alkyllithiums. The synthetic efficiency of CC-C bond-formation app...