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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   Asymmetric Aldol Reactions of Heterocyclic Dienolsilanes and alpha,beta-Unsaturated Carbonyl Derived Dienolsilanes (vol 44, pg 2506, 2012) [作者：MIAO ZHENYUAN; CHEN FENER,期刊：Synthesis, 页码：0-0 , 文章类型： Correction，,卷期：2012年44-21] Mesomeric Betaines and N-Heterocyclic Carbenes of Pyrazole and Indazole [作者：SCHMIDT ANDREAS; GUAN ZONG,期刊：Synthesis, 页码：3251-3268 , 文章类型： Review，,卷期：2012年44-21] The chemistry of the N-heterocyclic carbenes pyrazol-3-ylidene and indazol-3-ylidene, and of the remote N-heterocyclic carbene pyrazol-4-ylidene, is reviewed. Heterocumulene adducts of pyrazol-and indazol-3-ylidene are p... Facile Synthesis of Cyclic Polyphenylenes by Consecutive Inter- and Intra-molecular Cycloadditions of ortho-, meta-, and para-Phenylene-Tethered Triynes [作者：SHIBATA TAKANORI; FUJIMOTO MASAKO; HIRASHIMA HIROYUKI; CHIBA TATSUYA; ENDO KOHEI,期刊：Synthesis, 页码：3269-3284 , 文章类型： Article，,卷期：2012年44-21] Consecutive inter-and intramolecular [2+2+2] cycloadditions of various phenylene-tethered triynes were comprehensively studied by using chiral rhodium catalysts. ortho-Phenylene-tethered triynes gave chiral o,o,o,o-tetra... Formation of Indoles, Dihydroisoquinolines, and Dihydroquinolines by Ruthenium-Catalyzed Heterocyclizations [作者：VARELAFERNANDEZ ALEJANDRO; VARELA JESUS A; SAA CARLOS,期刊：Synthesis, 页码：3285-3295 , 文章类型： Article，,卷期：2012年44-21] Indoles, dihydroisoquinolines, and dihydroquinolines were efficiently prepared by ruthenium-catalyzed heterocyclizations of aromatic homo- and bis-homopropargyl amines/amides in the presence of an amine/ammonium base-aci... Synthesis of the Structure Proposed for Natural Meliloester [作者：DING LU; LI ZHONGHAN; LU XIAOWEI; WU YIKANG; LI YAN,期刊：Synthesis, 页码：3296-3300 , 文章类型： Article，,卷期：2012年44-21] In an attempt to establish the absolute configuration of meliloester, a natural product isolated from Melilotus alba, the literature structure was synthesized in an enantiopure form. Unexpectedly, the H-1 and C-13 NMR da... Copper-Catalyzed Selective Synthesis of Highly Substituted Pyridones by the Reaction of Enaminones with Alkynes [作者：SHAO YUSHANG; YAO WENJUAN; LIU JUN; ZHU KAI; LI YANZHONG,期刊：Synthesis, 页码：3301-3306 , 文章类型： Article，,卷期：2012年44-21] An efficient copper-catalyzed selective synthesis of highly functionalized pyridones by the reaction of enaminones with alkynes is reported. The reactions proceed to afford polysubstituted pyridone derivatives in good to... Asymmetric [3+2] Cycloaddition of Azomethine Ylides Catalyzed by Silver(I) Triflate with a Chiral Bipyrrolidine-Derived Phosphine Ligand [作者：GU XIN; XU ZHENJIANG; LO VANESSAR KARYAN; CHE CHIMING,期刊：Synthesis, 页码：3307-3314 , 文章类型： Article，,卷期：2012年44-21] Two novel chiral bipyrrolidine-derived phosphine ligands L1 and L2 were synthesized. The 'AgOTf+L1' protocol catalyzes the asymmetric [3+2] cycloaddition of azomethine ylides with alkenes to give highly substituted pyrro... Synthesis of 5-(Trifluoromethyl)-2,5-dihydro-1,2 lambda(5)-oxaphospholes by a One-Pot Three-Component Reaction [作者：FAN HUAFANG; WANG XIAOWEI; ZHAO JINGWEI; LI XINJIN; GAO JINMING; ZHU SHIZHENG,期刊：Synthesis, 页码：3315-3320 , 文章类型： Article，,卷期：2012年44-21] A series of trifluoromethyl-substituted 1,2 lambda(5)-oxaphospholes were prepared in yields of up to 95% by a one-pot three-component reaction under mild conditions. The zwitterionic intermediate generated by attack of t... A Paal-Knorr Approach to 3,4-Diaryl-Substituted Pyrroles: Facile Synthesis of Lamellarins O and Q [作者：RAMIREZRODRIGUEZ ARMANDO; MENDEZ JOSE M; JIMENEZ CRISTINA C; LEON FERNANDO; VAZQUEZ ALFREDO,期刊：Synthesis, 页码：3321-3326 , 文章类型： Article，,卷期：2012年44-21] A very simple, yet efficient synthetic methodology, to obtain 3,4-diaryl-substituted pyrroles is described. The approach is based on the Knoevenagel condensation between arylacetonitriles and substituted aromatic aldehyd... Synthetic Approach for Constructing the 1-Oxygenated Carbazole Core and Its Application to the Preparation of Natural Alkaloids [作者：BAUTISTA RAFAEL; JEREZANO ALBERTO V; TAMARIZ JOAQUIN,期刊：Synthesis, 页码：3327-3336 , 文章类型： Article，,卷期：2012年44-21] An efficient synthetic approach for the construction of the 1-oxygenated carbazole core is described. The condensation of cyclohexane-1,2-diones with a series of anilines yielded the corresponding 2-anilinocyclohex-2-en-... Reactions of Keto-Enol Tautomers of 2-Thiazolyl-, 2-Oxazolyl-, 2-Benzoxazolyl-, or 2-Benzothiazolyl-1-phenylethenols with alpha,beta-Alkynyl Esters: Syntheses of Highly Functionalized Fused- Ring Heterocycles [作者：DE SILVA HONDAMUNI I; HENRY WILLIAM P; PITTMAN CHARLES U JR,期刊：Synthesis, 页码：3337-3352 , 文章类型： Article，,卷期：2012年44-21] 2-Methyl-1,3-thiazole, 2,4-dimethyl-1,3-thiazole, 2,4,5-trimethyl-1,3-thiazole, 2,4,5-trimethyl-1,3-oxazole, 2-methyl-1,3-benzoxazole and 2-methyl-1,3-benzothiazole were each treated with benzoyl chloride in acetonitrile... Microwave-Assisted Click Chemistry Synthesis of 1,2,3-Triazoles from Aryldiazonium Silica Sulfates in Water [作者：ZAREI AMIN; KHAZDOOZ LEILA; HAJIPOUR ABDOL R; AGHAEI HAMIDREZA; AZIZI GHOBAD,期刊：Synthesis, 页码：3353-3360 , 文章类型： Article，,卷期：2012年44-21] A microwave-assisted click chemistry synthesis of 1,4-disubstituted 1,2,3-triazoles is studied by in situ generation of aryl azides via the reaction of aryldiazonium silica sulfates and sodium azide, followed by coupling... NbCl5-Promoted Synthesis of 4-Aryl-3,4-dihydrocoumarins by Multicomponent Reaction [作者：DOS SANTOS WILLIAN HENRIQUE; DA SILVAFILHO LUIZ CARLOS,期刊：Synthesis, 页码：3361-3365 , 文章类型： Article，,卷期：2012年44-21] Substituted 4-aryl-3,4-dihydrocoumarins are synthesized from multicomponent reactions between phenols, dimethyl malonate, and aryl aldehydes catalyzed by niobium pentachloride. This new method is simple, cost-effective, ... A Novel Synthesis of Thioglycolurils by Ring Contraction of 5,7-Dialkyl-3-thioxoperhydroimidazo[4,5-e]-1,2,4-triazin-6-ones [作者：GAZIEVA GALINA A; POLUBOYAROV PAVEL A; POPOV LEONID D; KOLOTYRKINA NATALYA G; KRAVCHENKO ANGELINA N; MAKHOVA NINA N,期刊：Synthesis, 页码：3366-3370 , 文章类型： Article，,卷期：2012年44-21] A new synthetic route to (E)-1,3-dialkyl-4-(benzylideneamino)-5-thioxohexahydroimidazo[4,5-d]imidazol-2(1H)-ones (thioglycolurils), by a ring contraction reaction of 5,7-dialkyl-3-thioxoperhydroimidazo[4,5-e]-1,2,4-triaz... Access to Aromatic Ring-Fused Benzimidazoles Using Photochemical Substitutions of the Benzimidazol-2-yl Radical [作者：OCONNELL JOANNE M; MORIARTY EOIN; ALDABBAGH FAWAZ,期刊：Synthesis, 页码：3371-3377 , 文章类型： Article，,卷期：2012年44-21] Photochemical five-, six-, and seven-membered cyclizations from 2-iodo-1-(omega-arylalkyl)-1H-benzimidazoles are described. This method of producing aromatic ring-fused benzimidazoles is significantly more efficient than... A Diversified Assembly of 1,2,4-Oxadiazol-3-amines: Metallic Thiophile Catalyzed Chemoselective One-Pot Reaction of Aryl Isothiocyanates, Amidines/Guanidines, and Hydroxylamine [作者：JALANI HITESH B; SUDARSANAM V; VASU KAMALA K,期刊：Synthesis, 页码：3378-3386 , 文章类型： Article，,卷期：2012年44-21] An efficient one-pot synthesis of 1,2,4-oxadiazol-3-amines from simple starting materials, isothiocyanates, amidines/guanidines, and hydroxylamine, is described. The reaction is facilitated by metallic-thiophile-assisted...