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24条记录   A Simple One-Pot Procedure for the Direct Homocoupling of Terminal Alkynes Promoted by Copper Nanoparticles [作者：NADOR FABIANA; FORTUNATO LEANDRO; MOGLIE YANINA; VITALE CRISTIAN; RADIVOY GABRIEL,期刊：Synthesis, 页码：4027-4031 , 文章类型： Article，,卷期：2009年-23] The reaction of different terminal alkynes with readily prepared copper(0) nanoparticles led to the formation of the corresponding symmetrical 1,4-disubstituted 1,3-diynes in good yield. No palladium, ligands, or oxidant... Expedient Reductive Amination of Aldehyde Bisulfite Adducts [作者：PANDIT CHENNAGIRI R; MANI NEELAKANDHA S,期刊：Synthesis, 页码：4032-4036 , 文章类型： Article，,卷期：2009年-23] A novel, one-pot protocol for the direct reductive amination of aldehyde bisulfite adducts is reported. Bisulfite adducts of aliphatic and aromatic aldehydes, oil treatment with an organic base under non-aqueous conditio... A New Route to Substituted Pyrimido[5,4-e]-1,2,4-triazine-5,7(1H,6H)-diones and Facile Extension to 5,7(6H,8H) Isomers [作者：TURBIAK ANJANETTE J; SHOWALTER H D HOLLIS,期刊：Synthesis, 页码：4022-4026 , 文章类型： Article，,卷期：2009年-23] A new route to substituted pyrimido[5,4-e]-1,2,4-triazine-5,7(1H,6H)-diones is outlined. The synthesis proceeds via preformed hydrazone intermediates, which are then condensed with all activated chlorouracil to build up ... Facile Synthesis of Steroidal Vicinal Hydroxysulfides via the Reaction of Steroidal Epoxides with Thiols in the Presence of an Ionic Liquid [作者：HORVATH ANITA; FRIGYES DAVID; MAHO SANDOR; BERENTE ZOLTAN; KOLLAR LASZLO; SKODAFOLDES RITA,期刊：Synthesis, 页码：4037-4041 , 文章类型： Article，,卷期：2009年-23] Ring-opening of steroidal 2,3-epoxides with thiols call be carried out effectively in the Bronsted acidic ionic liquid [Hmim](+)[BF4](-) as a recyclable solvent and catalyst. The use of other ionic liquids/molten salts r... Regioselective, One-Pot Syntheses of Symmetrically and Unsymmetrically Halogenated 2 ',6 '-Bispyrazolylpyridines [作者：BASAK SUPRATIM; HUI PRAMITI; CHANDRASEKAR RAJADURAI,期刊：Synthesis, 页码：4042-4048 , 文章类型： Article，,卷期：2009年-23] A series of regio-selectively 3'-, 4-, 4'-. 4 ''-, and 5'-halogenated heterocyclic 2',6'-bispyrazolylpyridine derivatives was prepared by a direct halogenation reaction in a simple, one-pot synthesis in good to excellent... A New Route to Ring-Fused Pyrazines: Imidazo[4,5-b]Quinoxalines by a Simple Oxidation-Annulation Sequence [作者：HERZOG SVENJA; BUEHRDEL GUNTHER; BECKERT RAINER; KLIMAS SUSANN; WUERTHWEIN ERNSTULRICH; GRIMME STEFAN; GOERLS HELMAR,期刊：Synthesis, 页码：4049-4057 , 文章类型： Article，,卷期：2009年-23] Novel tricyclic 4H-imidazo[4,5-b]quinoxalines were synthesized by a new ortho-annulation process starting from 4-H-imidazoles and cerammonium nitrate (CAN) as oxidation reagent in the presence of potassium carbonate as b... Reduction of Acetophenones Using Borohydride Exchange Resins (BER) and a BER-Lithium Salt System [作者：NOGUEIRA FERNANDES JANE LUIZA; DE SOUZA MARCOS COSTA; SOUZA BRENELLI EUGENIA CRISTINA; BRENELLI JOSE AFRANIO,期刊：Synthesis, 页码：4058-4062 , 文章类型： Article，,卷期：2009年-23] Borohydride reduction of acetophenones was carried out with the borohydride-form of an anion exchange polystyrene-divinylbenzene resin. High yields were achieved and reaction rates were significantly increased by the add... Calix[4]arenes Substituted on the Narrow Rim with Malononitrile and Cobalt Bis(dicarbollide) Anion [作者：ZHAO JUNMEI; BOLTE MICHAEL; DORDEA CRENGUTA; GRUENER BOHUMIR; BOEHMER VOLKER,期刊：Synthesis, 页码：4063-4067 , 文章类型： Article，,卷期：2009年-23] Nitrile groups are suitable precursors for amino functions to which various other groups can be attached. Thus, the reaction of the 1,3-bis(3-bromopropyl ether) or 1,3-bis(4-bromobutyl ether) of terf-butylcalix[4]arene w... Synthesis and Reactivity of 4-Aralkoxy(alkoxy)-5,6-dihydro-2H-1,3-oxazine-2-ones [作者：KURZ THOMAS; KHANKISCHPUR MEHDI,期刊：Synthesis, 页码：4068-4074 , 文章类型： Article，,卷期：2009年-23] The synthesis of previously unreported 4-aralkoxy(alkoxy)-5,6-dihydro-2H-1,3-oxazine-2-ones, as well as their transformation into various novel 4-functionalized 5,6-dihydro-2H-1,3-oxazine-2-ones and 1,3-oxazinaiie-2-ones... Pyridinium Ion Catalysis of Carbonyl Protection Reactions [作者：PROCURANTI BARBARA; MYLES LAUREN; GATHERGOOD NICHOLAS; CONNON STEPHEN J,期刊：Synthesis, 页码：4082-4086 , 文章类型： Article，,卷期：2009年-23] Aprotic pyridinium ions incorporating electron-withdrawing substituents on the aromatic ring are powerful catalysts for the acetalization of aldehydes and the formation of dithianes, dithiolanes, dioxanes, and dioxolanes... Synthesis of Trifluoromethyl Pyrroles and Their Benzo Analogues [作者：MUZALEVSKIY VASILIY M; SHASTIN ALEKSEY V; BALENKOVA ELIZABETH S; HAUFE GUENTER; NENAJDENKO VALENTINE G,期刊：Synthesis, 页码：3905-3929 , 文章类型： Review，,卷期：2009年-23] Approaches towards trifluoromethylpyrroles and their benzo analogues arc reviewed. Palladium-Catalyzed Cross-Coupling Reaction of AlArEt2(THF) with Aryl Bromides [作者：SHU WANTING; ZHOU SHUANGLIU; GAU HANMOU,期刊：Synthesis, 页码：4075-4081 , 文章类型： Review，,卷期：2009年-23] Efficient cross-coupling reactions of aryl bromides with AlArEt2(THF) (Ar = Ph, 4-MeC6H4, 4-MeOC6H4, 4-Me3SiC6H4, or 2-naphthyl) catalyzed by a catalytic system of 1 mol% Pd(OAc)(2) and 2 mol% PCy3 furnish aryl-aryl coup... A Versatile and Highly Stereoselective Synthesis of Diethyl (1-Aminoalkyl)thiophosphonates [作者：CHEN ZHILONG; LI JINFENG; YUAN CHENGYE,期刊：Synthesis, 页码：3930-3940 , 文章类型： Article，,卷期：2009年-23] A series of chiral diethyl (1-aminoalkyl)thiophosplionates was synthesized in high yield and excellent enantioselectivity by nucleophilic addition of diethyl thiophosphonate to N-(tert-butylsulfinyl)imines under mild con... Enantiospecific Synthesis of a Novel Rearranged Eunicellane Diterpenoid by SmI2-Mediated Cyclization [作者：SCHOETTNER ELISABETH; JONES PETER G; LINDEL THOMAS,期刊：Synthesis, 页码：3941-3956 , 文章类型： Article，,卷期：2009年-23] Aiming at the assembly of marine-derived diterpenoids, the synthesis and cyclization of alpha-geranylated carvones was investigated. 3-Hydroxyalkylation of side-chain hydrogenated carvone with geraniol-derived aldehydes ... Simple and Efficient Access to 3-Ethoxycarbonylpyrroles, Benzofurans, and Naphthofurans [作者：PANCOTE CAMILA G; DE CARVALHO BRUNO S; LUCHEZ CIBELE V; FERNANDES JOAO P S; POLITI MARIO J; BRANDT CARLOS A,期刊：Synthesis, 页码：3963-3966 , 文章类型： Article，,卷期：2009年-23] An efficient method was developed for the synthesis of pyrrole and furan derivatives from enamines, phenols, and naphthols. The key steps involve iodocyclization and alumina-induced dehydroiodination reactions. Highly Efficient Method for C-5 Halogenation of Pyrimidine-Based Nucleosides in Ionic Liquids [作者：KUMAR VINEET; YAP JEREMY; MUROYAMA ANDREW; MALHOTRA SANJAY V,期刊：Synthesis, 页码：3957-3962 , 文章类型： Article，,卷期：2009年-23] A novel, highly efficient, convenient, and benign methodology for C-5 halogenation of pyrimidine-based nucleosides has been developed using N-halosuccinimides as halogenating reagents without using any catalyst in ionic ...