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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61条记录   Palladium-Catalyzed Heck Reaction of Aryl Chlorides under Mild Conditions Promoted by Organic Ionic Bases [作者：XU HUAJIAN; ZHAO YONGQIANG; ZHOU XINFENG,期刊：Journal of Organic Chemistry, 页码：8036-8041 , 文章类型： Article，,卷期：2011年76-19] An efficient Pd-catalyzed Heck reaction of aryl chlorides with olefins under mild conditions is described. High yields of products were achieved with n-Bu(4)N(+)OAc(-) as base. Significantly, the temperature of the Heck ... Diversity-Oriented Synthesis of 13- to 18-Membered Macrolactams via Ring-Closing Metathesis [作者：DANDAPANI SIVARAMAN; LOWE JASON T; COMER EAMON; MARCAURELLE LISA A,期刊：Journal of Organic Chemistry, 页码：8042-8048 , 文章类型： Article，,卷期：2011年76-19] An efficient build/couple/pair approach to diversity-oriented synthesis was employed to access several structurally complex macrolactams. In this paper, we describe the successful evaluation of ring-closing metathesis to... Synthesis of Oxosumanenes through Benzylic Oxidation [作者：AMAYA TORU; HIFUMI MAIKO; OKADA MICHIAKI; SHIMIZU YASUTOMO; MORIUCHI TOSHIYUKI; SEGAWA KOUJI; ANDO YOICHI; HIRAO TOSHIKAZU,期刊：Journal of Organic Chemistry, 页码：8049-8052 , 文章类型： Article，,卷期：2011年76-19] Oxosumanenes were synthesized through benzylic oxidation. The electronic and redox properties were revealed to exhibit the expanded pi-conjugation compared to sumanene. Single-crystal X-ray analysis of monooxosumanene sh... An alpha-Diaminoboryl Carbanion Assisted Stereoselective Single-Pot Preparation of alpha,beta-Disubstituted Acrylonitriles [作者：TOMIOKA TAKASHI; SANKRANTI RAMBABU; VAUGHAN TREY G; MAEJIMA TOSHIHIDE; YANASE TAKAYOSHI,期刊：Journal of Organic Chemistry, 页码：8053-8058 , 文章类型： Article，,卷期：2011年76-19] An alpha-diaminoboryl carbanion-mediated one-pot olefination directly converts an acetonitrile or the homologous nitrile into a series of alpha,beta-disubstituted acrylonitriles in a stereoselective manner. The protocol ... Asymmetric Synthesis of Cyclohexene Nucleoside Analogues [作者：DALENCON SYLVAIN; YOUCEF RAMZI AIT; PIPELIER MURIEL; MAISONNEUVE VINCENT; DUBREUIL DIDIER; HUET FRANCOIS; LEGOUPY STEPHANIE,期刊：Journal of Organic Chemistry, 页码：8059-8063 , 文章类型： Article，,卷期：2011年76-19] The asymmetric synthesis of novel cyclohexene nucleoside analogues 12 and 15 is described. An enantiospecific Diels-Alder reaction between (E,E)-diene 2 and (+)-5-(D-mentyloxy)-2(5H)-furanone 3 provided the cycloadduct i... Organocatalytic Asymmetric Domino Aza-Michael-Mannich Reaction: Synthesis of Tetrahydroimidazopyrimidine Derivatives [作者：LI HONG; ZHAO JUNLING; ZENG LILI; HU WENHUI,期刊：Journal of Organic Chemistry, 页码：8064-8069 , 文章类型： Article，,卷期：2011年76-19] Highly substituted tetrahydroimidazopyrimidine derivatives with three chiral centers have been synthesized for the first time using an organocatalytic asymmetric domino aza-Michael Mannich reaction of alpha,beta-unsatura... Lewis Acid-Promoted Addition of 1,3-Bis(silyl)propenes to Aldehydes: A Route to 1,3-Dienes [作者：BORG TESSIE; TUZINA PAVEL; SOMFAI PETER,期刊：Journal of Organic Chemistry, 页码：8070-8075 , 文章类型： Article，,卷期：2011年76-19] The Lewis acid-promoted addition of 1,3-bis(silyl)-propenes to aldehydes to provide the corresponding (E)-1,3-dienes in excellent stereoselectivity and good to excellent yields is reported. The procedure is mild, base-fr... Diastereoselective Tin-Free Tandem Radical Additions to 3-Formylchromones [作者：ZIMMERMAN JAKE R; MANPADI MADHURI; SPATNEY RUSSELL; BAKER AARON,期刊：Journal of Organic Chemistry, 页码：8076-8081 , 文章类型： Article，,卷期：2011年76-19] A tin-free tandem radical addition methodology onto 3-formylchromones is presented. This radical process yields functionalized chromone structures via two carbon carbon bond-forming steps. These products contain up to th... Synthesis of Balsaminone A, a Naturally Occurring Pentacyclic Dinaphthofuran Quinone [作者：PADWAL JALINDAR; LEWIS WILLIAM; MOODY CHRISTOPHER J,期刊：Journal of Organic Chemistry, 页码：8082-8087 , 文章类型： Article，,卷期：2011年76-19] A short synthesis of the natural product balsaminone A, a dinaphthofuran quinone, is described. The key steps of the synthesis are base-induced coupling of 1,4-dihydroxy-2-naphthaldehyde with 2,3-dichloronaphthoquinone t... Ethylammonium Nitrate (EAN)/Tf(2)O and EAN/TFAA: Ionic Liquid Based Systems for Aromatic Nitration [作者：ARIDOSS GOPALAKRISHNAN; LAALI KENNETH K,期刊：Journal of Organic Chemistry, 页码：8088-8094 , 文章类型： Article，,卷期：2011年76-19] Acting as in situ sources of triflyl nitrate (TfONO(2)) and trifluoroacetyl nitrate (CF(3)COONO(2)), the EAN/Tf(2)O and EAN/TFAA systems, generated via metathesis in the readily available ethylammonium nitrate (EAN) ioni... Catalytic Asymmetric alpha-Alkylation of Ketones and Aldehydes with N-Benzylic Sulfonamides through Carbon-Nitrogen Bond Cleavage [作者：WENG ZHENTAO; LI YUAN; TIAN SHIKAI,期刊：Journal of Organic Chemistry, 页码：8095-8099 , 文章类型： Article，,卷期：2011年76-19] A range of ketones and aldehydes smoothly undergo asymmetric S(N)1 alpha-alkylation with N-benzylic sulfonamides in the presence of 10 mol % of a chiral imidazolidinone and trifluoroacetic acid to give the corresponding ... Stereoselective 6-Exo Cyclization of Amidyl Radicals. An Experimental and Theoretical Study [作者：ZHUANG SHUNJUN; LIU KUN; LI CHAOZHONG,期刊：Journal of Organic Chemistry, 页码：8100-8106 , 文章类型： Article，,卷期：2011年76-19] Unsaturated primary arnidyl radicals of Z-configurations underwent efficient chemo-and stereoselective 6-exo cyclization reactions via chair-conformational transition states, leading to the predominant formations of 3,6-... Palladium-Catalyzed Cross-Coupling of Sterically Demanding Boronic Acids with alpha-Bromocarbonyl Compounds [作者：ZIMMERMANN BETTINA; DZIK WOJCIECH I; HIMMLER THOMAS; GOOSSEN LUKAS J,期刊：Journal of Organic Chemistry, 页码：8107-8112 , 文章类型： Article，,卷期：2011年76-19] A catalyst system generated in situ from Pd(dba)(2) and tri(o-toly)phosphine mediates the coupling of arylboronic acids with alkyl alpha-bromoacetates under formation of arylacetic acid esters at unprecedented low loadin... Two-Photon Lysotrackers for in Vivo Imaging [作者：SON JI HOON; LIM CHANG SU; HAN JI HEE; DANISH ISRAVEL ANTONY; KIM HWAN MYUNG; CHO BONG RAE,期刊：Journal of Organic Chemistry, 页码：8113-8116 , 文章类型： Article，,卷期：2011年76-19] We report two-photon Lysotrackers (CLT-blue and CLT-yellow) that can be excited by 750-840 nm femto-second laser pulses and emit at 470 and 550 nm, respectively. They can be easily loaded into cells and tissue slices for... Alkynylation of Benzotriazole with Silylethynyliodonium Triflates. Regioselective Synthesis of 2-Ethynyl-2H-benzotriazole Derivatives [作者：KITAMURA TSUGIO; MORSHED MOHAMMAD HASAN; TSUKADA SATORU; MIYAZAKI YUKI; IGUCHI NAOMI; INOUE DAISUKE,期刊：Journal of Organic Chemistry, 页码：8117-8120 , 文章类型： Article，,卷期：2011年76-19] Phenyl(trimethylsilylethynyl)iodonium and tert-butyldimethylsilylethynyl(phenyl)iodonium triflates were applied to alkynylation of benzotriazole. Treatment of the silylethynyliodonium triflates with the potassium salt of... Three-Component, One-Flask Synthesis of Rhodanines (Thiazolidinones) [作者：JACOBINE ALEXANDER M; POSNER GARY H,期刊：Journal of Organic Chemistry, 页码：8121-8125 , 文章类型： Article，,卷期：2011年76-19] 5-(Z)-Alkylidene-2-thioxo-1,3-thiazolidin-4-ones (rhodanine derivatives) were prepared by reaction of in situ generated dithiocarbarnates with recently reported racemic alpha-chloro-beta,gamma-alkenoate esters. This mult...