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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39条记录   Nonsolvent Application of Ionic Liquids: Organo-Catalysis by 1-Alkyl-3-methylimidazolium Cation Based Room-Temperature Ionic Liquids for Chemoselective N-tert-Butyloxycarbonylation of Amines and the Influence of the C-2 Hydrogen on Catalytic Efficiency [作者：SARKAR ANIRBAN; ROY SUDIPTA RAHA; PARIKH NAISARGEE; CHAKRABORTI ASIT K,期刊：Journal of Organic Chemistry, 页码：7132-7140 , 文章类型： Article，,卷期：2011年76-17] 1-Alkyl-3-methylimidazolium cation based ionic liquids efficiently catalyze N-tert-butyloxycarbonylation of amines with excellent chemoselectivity. The catalytic role of the ionic liquid is envisaged as "electrophilic ac... Chiral Sulfonimide as a Bronsted Acid Organocatalyst for Asymmetric Friedel-Crafts Alkylation of Indoles with Imines [作者：CHEN LINGYAN; HE HAO; CHAN WINGHONG; LEE ALBERT W M,期刊：Journal of Organic Chemistry, 页码：7141-7147 , 文章类型： Article，,卷期：2011年76-17] [GRAPHICS] Binaphthyl-based chiral sulfonimide (CSI) is demonstrated for the first time to be an efficient, strong Bronsted acid in asymmetric organocatalysis. A series of CSIs were synthesized and screened in the asymme... Synthesis and Characterization of Light-Driven Dithienylcyclopentene Switches with Axial Chirality [作者：LI YANNIAN; URBAS AUGUSTINE; LI QUAN,期刊：Journal of Organic Chemistry, 页码：7148-7156 , 文章类型： Article，,卷期：2011年76-17] Three new photochemically reversible but thermally stable dithienylcyclopentene switches with axial chirality were synthesized and characterized. All the compounds exhibited photochemically reversible isomerization with ... H-Bond-Assisted Intramolecular Nucleophilic Displacement of the 1-NMe(2) Group in 1,8-Bis(dimethylamino)naphthalenes as a Route to Multinuclear Heterocyclic Compounds and Strained Naphthalene Derivatives [作者：POVALYAKHINA MARIA A; ANTONOV ALEXANDER S; DYABLO OLGA V; OZERYANSKII VALERY A; POZHARSKII ALEXANDER F,期刊：Journal of Organic Chemistry, 页码：7157-7166 , 文章类型： Article，,卷期：2011年76-17] It has been shown that azomethines, hydrazones, and mimes derived from 2(7)-carbonyl derivatives of 1,8-bis-(dimethylamino)naphthalene can undergo acid-catalyzed heterocyclization leading to a nucleophilic displacement o... Switching between Concerted and Stepwise Mechanisms for Dyotropic Rearrangements of beta-Lactones Leading to Spirocyclic, Bridged gamma-Butyrolactones [作者：DAVIS REBECCA L; LEVERETT CAROLYN A; ROMO DANIEL; TANTILLO DEAN J,期刊：Journal of Organic Chemistry, 页码：7167-7174 , 文章类型： Article，,卷期：2011年76-17] Quantum chemical computations (B3LYP/6-31+G(d,p)) were applied to examine the mechanisms of dyotropic rearrangements of spirolactones in order to assess whether these reactions are concerted. Mechanistic experiments, des... Hydrolytic Stability of N-Methyl-2,6-dimesityl-4,4 '-Pyrylogen Bis-tetrafluoroborate [作者：ELIDREESY TAMER T; CLENNAN EDWARD L,期刊：Journal of Organic Chemistry, 页码：7175-7179 , 文章类型： Article，,卷期：2011年76-17] The synthesis and characterization of a new mesityl ring-substituted pyrylogen with a substantially decreased rate of reaction with water is reported. Computational and experimental data are presented that suggest that a... Computational Study on the Mechanism and Selectivity of C-H Bond Activation and Dehydrogenative Functionalization in the Synthesis of Rhazinilam [作者：ELLIS COREY S; ESS DANIEL H,期刊：Journal of Organic Chemistry, 页码：7180-7185 , 文章类型： Article，,卷期：2011年76-17] The key platinum mediated C-H bond activation and functionalization steps in the synthesis of (-)-rhazinilam (Johnson, J.A.; Li, N.; Sames, D.J. Am. Chem. Soc. 2002, 124, 6900) were investigated using the M06 and B3LYP d... Gas-Phase Acidity Studies of Dual Hydrogen-Bonding Organic Silanols and Organocatalysts [作者：LIU MIN; NGON T TRAN; FRANZ ANNALIESE K; LEE JEEHIUN K,期刊：Journal of Organic Chemistry, 页码：7186-7194 , 文章类型： Article，,卷期：2011年76-17] The fundamental properties of a series of organic monosilanols, silanediols, disiloxanediols, and known hydrogen-bonding organocatalysts have been examined in the gas phase using computational and experimental mass spect... Metal-Free Chlorodeboronation of Organotrifluoroborates [作者：MOLANDER GARY A; CAVALCANTI LIVIA N,期刊：Journal of Organic Chemistry, 页码：7195-7203 , 文章类型： Article，,卷期：2011年76-17] A mild and metal-free method for the chlorodeboronation of organotrifluoroborates using trichloroisocyanuric acid (TCICA) was developed. Aryl-, heteroaryl-, alkenyl-, alkynyl-, and alkyltrifluoroborates were converted in... Cyclization Reaction for the Synthesis of Polysubstituted Naphthalenes in the Presence of Au(I) Precatalysts [作者：JAGDALE ARUN R; PARK JONG HYUB; YOUN SO WON,期刊：Journal of Organic Chemistry, 页码：7204-7215 , 文章类型： Article，,卷期：2011年76-17] Au(I)-catalyzed cyclization of alkenyl carbonyl compounds leading to a variety of substituted naphthalenes has been developed. This process exploits a dual function of the Au(I) catalyst: (1) the oxophilic nature of the ... Synthesis of the Scalarane Sesterterpenoid 16-deacetoxy-12-epi-scalarafuranacetate [作者：CHEN XIBO; YUAN QIANJIA; WANG JING; HUA SIKAI; REN JIANGMENG; ZENG BUBING,期刊：Journal of Organic Chemistry, 页码：7216-7221 , 文章类型： Article，,卷期：2011年76-17] The marine natural product 16-deacetoxy-12-epi-scalarafuranacetate, isolated from Spongua officinalis, was synthesized in 18 linear steps, starting from (-)-sclareol, with high stereoselectivity and an overall yield of 6... K(2)CO(3)-Promoted Domino Reactions: Construction of Functionalized 2,3-Dihydrobenzofurans and Clofibrate Analogues [作者：LI QUBO; ZHOU FEITING; LIU ZHENGGENG; LI XUEFENG; ZHU WEIDONG; XIE JIANWU,期刊：Journal of Organic Chemistry, 页码：7222-7228 , 文章类型： Article，,卷期：2011年76-17] The K(2)CO(3)-catalyzed domino reactions (Michael alkylation, Mannich alkylation, and aldol alkylation) of salicylic aldehyde derivatives (2-hydroxyaryl-alpha,beta-unsaturated ketones, 2-hydroxyarylnitroalkenes, 2-hydrox... Titanocene(III) Chloride Mediated Radical Induced Allylation of Aldimines: Formal Synthesis of C-Linked 4 '-Deoxy Aza-disaccharide [作者：SAHA SUMIT; ROY SUBHAS CHANDRA,期刊：Journal of Organic Chemistry, 页码：7229-7234 , 文章类型： Article，,卷期：2011年76-17] Titanocene(III) chloride (Cp(2)TiCl) mediated radical induced allylation of aldimines for the preparation of homoallyl amines is described. The radical was from the allyl bromide using Cp(2)TiCl as the radical source. Fo... Hydrogenation of Azides over Copper Nanoparticle Surface Using Ammonium Formate in Water [作者：AHAMMED SABIR; SAHA AMIT; RANU BRINDABAN C,期刊：Journal of Organic Chemistry, 页码：7235-7239 , 文章类型： Article，,卷期：2011年76-17] Aryl azides undergo clean reduction by copper nanoparticles and ammonium formate in water. The surface hydrogen on copper nanoparticles is considered to be the active reducing species. A variety of functionalized aryl az... Conformationally Restricted Calix[8]arenes Substituted at All Methylene Bridges [作者：KOGAN KATERINA; BIALI SILVIO E,期刊：Journal of Organic Chemistry, 页码：7240-7244 , 文章类型： Article，,卷期：2011年76-17] Reaction under S(N)1 conditions of the octabromocalix[8]arene derivative 2d with alcohols proceeds in nonstereoselective fashion, but all-cis octaryl derivatives are the single major products in the reaction with arenes.... all-S,S-Dioxygenated Star Oligothiophenes [作者：POTASH SHAY; ROZEN SHLOMO,期刊：Journal of Organic Chemistry, 页码：7245-7248 , 文章类型： Article，,卷期：2011年76-17] Star-shaped oligothiophenes are promising materials for applications in the organic electronics field. For the first time, a range of star-oligothiophenes was oxidized to the corresponding all-S,S-dioxides by using the H...