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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62条记录   A Kinetic Study of the Reaction of N,N-Dimethylanilines with 2,2-Diphenyl-1-picrylhydrazyl Radical: A Concerted Proton-Electron Transfer?. [作者：Baciocchi, Enrico;Calcagni, Alessandra;Lanzalunga, Osvaldo;,期刊：Journal of Organic Chemistry, 页码：4110-4115 , 文章类型： 研究论文，,卷期：2008年73-11] The reactivity of the 2,2-diphenyl-1-picrylhydrazyl radical (dpph? toward the N-Me C-H bond of a no. of 4-X-substituted-N,N-dimethylanilines (X = OMe, OPh, CH3, H) has been investigated in MeCN, in the absence and in the... Lanthanide Triflate-Catalyzed Arene Acylation. Relation to Classical Friedel-Crafts Acylation. [作者：Dzudza, Alma;Marks, Tobin J.;,期刊：Journal of Organic Chemistry, 页码：4004-4016 , 文章类型： 研究论文，,卷期：2008年73-11] Lanthanide trifluoromethanesulfonates, Ln(OTf)3 (OTf- = trifluoromethanesulfonate), serve as effective precatalysts for the rapid, regioselective, intermol. acylation of activated arenes. This contribution probes mechan... Structure Revision of Circumdatins A and B, Benzodiazepine Alkaloids Produced by Marine Fungus Aspergillus ostianus, by X-ray Crystallography. [作者：Ookura, Ryuhei;Kito, Keijiro;Ooi, Takashi;Namikoshi, Michio;Kusumi, Takenori;,期刊：Journal of Organic Chemistry, 页码：4245-4247 , 文章类型： 研究论文，,卷期：2008年73-11] The structures of circumdatins A and B, pentacyclic alkaloids produced by Aspergillus ostianus, were revised from the previously reported betaine structures I (R = MeO, H, resp.) to unique oxepin ones II by X-ray crystal... Synthesis and Electrochemical Properties of Peripheral Carbazole Functional Ter(9,9-spirobifluorene)s. [作者：Tang, Shi;Liu, Meirong;Gu, Cheng;Zhao, Yang;Lu, Ping;Lu, Dan;Liu, Linlin;Shen, Fangzhong;Yang, Bing;Ma, Yuguang;,期刊：Journal of Organic Chemistry, 页码：4212-4218 , 文章类型： 研究论文，,卷期：2008年73-11] A facile approach for synthesis of spirobifluorene trimers with peripheral carbazole functional groups by using Suzuki coupling as the key reaction was developed. These novel compds. exhibit blue emission with high quan... Synthetic Studies on Amipurimycin: Total Synthesis of a Thymine Nucleoside Analog. [作者：Stauffer, Christina S.;Datta, Apurba;,期刊：Journal of Organic Chemistry, 页码：4166-4174 , 文章类型： 研究论文，,卷期：2008年73-11] Amipurimycin, a member of the complex peptidyl nucleoside family of antibiotics, is a Streptomyces-derived potent antifungal agent. The mechanism of action of amipurimycin, however, remains undetd. Addnl., there are no ... Synthesis of Bis-18,18'-desmethyl Ritterazine N. [作者：Taber, Douglass F.;Joerger, Jean-Michel;,期刊：Journal of Organic Chemistry, 页码：4155-4159 , 文章类型： 研究论文，,卷期：2008年73-11] Bis-18,18'-desmethyl ritterazine N I has been prepd. in enantiomerically pure form. The synthetic alkaloid, lacking only two of the 52 carbon atoms of the natural product, shows selective activity in the NIH 60 cell pan... Synthesis of N-Substituted Indole-3-carboxylic Acid Derivatives via Cu(I)-Catalyzed Intramolecular Amination of Aryl Bromides. [作者：Melkonyan, Ferdinand S.;Karchava, Alexander V.;Yurovskaya, Marina A.;,期刊：Journal of Organic Chemistry, 页码：4275-4278 , 文章类型： 研究论文，,卷期：2008年73-11] A variety of N-alkylated and N-arylated derivs. of Me were synthesized efficiently via Ullmann-type intramol. arylamination, using the CuI-K3PO4-DMF system. This catalytic amination procedure can be performed with good ... A Natural Love of Natural Products. [作者：Kingston, David G. I.;,期刊：Journal of Organic Chemistry, 页码：3975-3984 , 文章类型： 研究论文，,卷期：2008年73-11] (Biomolecules and Their Synthetic Analogs) Section A review. Recent research on the chem. of natural products from the author's group that led to the receipt of the ACS Ernest Guenther Award in the Chem. of Natural Prod... Analysis of an Asymmetric Addition with a 2:1 Mixed Lithium Amide/n-Butyllithium Aggregate. [作者：Liu, Jia;Li, Deyu;Sun, Chengzao;Williard, Paul G.;,期刊：Journal of Organic Chemistry, 页码：4045-4052 , 文章类型： 研究论文，,卷期：2008年73-11] A 2:1 lithium amide/n-butyllithium aggregate is investigated as an asym. addn. template in hydrocarbon solvents. Several different chiral lithium amides (S)-i-PrNHCH(i-Pr)CH2OR1 [R1 = Me, n-Bu, Me3CSiMe2, (i-Pr)3Si] wer... Kinetic and Mechanistic Studies of NEt3-Catalyzed Intramolecular Aminolysis of Carbamate. [作者：Sung, Kuangsen;Zhuang, Bo-Ren;Huang, Pin-Mei;Jhong, Sheng-Wei;,期刊：Journal of Organic Chemistry, 页码：4027-4033 , 文章类型： 研究论文，,卷期：2008年73-11] The mechanism of the NEt3-catalyzed intramol. aminolysis of Z-1 in acetonitrile or aq. acetonitrile solns. is suggested to involve rate-detg. collapse of T ?through simultaneous H-abstraction and ethoxide expulsion of E2... Axial Coordination of NHC Ligands on Dirhodium(II) Complexes: Generation of a New Family of Catalysts. [作者：Trindade, Alexandre F.;Gois, Pedro M. P.;Veiros, Luis F.;Andre, Vavecnia;Duarte, M. Teresa;Afonso, Carlos A. M.;Caddick, Stephen;Cloke, F. Geoffrey N.;,期刊：Journal of Organic Chemistry, 页码：4076-4086 , 文章类型： 研究论文，,卷期：2008年73-11] An efficient new methodol. for the arylation of aldehydes is disclosed ligands. Complexes of Rh2(OAc)4 with one and two NHCs attached on the axial positions were successfully isolated, fully characterized, and used as c... Stereostructure Assignment of Flexible Five-Membered Rings by GIAO 13C NMR Calculations: Prediction of the Stereochemistry of Elatenyne. [作者：Smith, Steven G.;Paton, Robert S.;Burton, Jonathan W.;Goodman, Jonathan M.;,期刊：Journal of Organic Chemistry, 页码：4053-4062 , 文章类型： 研究论文，,卷期：2008年73-11] (Biomolecules and Their Synthetic Analogs) Section The stereochem. of conformationally mobile five-membered rings is often hard to assign from NMR data, and [2,2']bifuranyl systems are even more challenging. GIAO 13C NM... Nitrile Biotransformations for the Synthesis of Highly Enantioenriched b-Hydroxy and b-Amino Acid and Amide Derivatives: A General and Simple but Powerful and Efficient Benzyl Protection Strategy To Increase Enantioselectivity of the Amidase. [作者：Ma, Da-You;Wang, De-Xian;Pan, Jie;Huang, Zhi-Tang;Wang, Mei-Xiang;,期刊：Journal of Organic Chemistry, 页码：4087-4091 , 文章类型： 研究论文，,卷期：2008年73-11] Biotransformations of a no. of racemic b-hydroxy and b-amino nitrile derivs. were studied using Rhodococcus erythropolis AJ270, the nitrile hydratase and amidase-contg. microbial whole cell catalyst, under very mild cond... Highly b-(E)-Selective Hydrosilylation of Terminal and Internal Alkynes Catalyzed by a (IPr)Pt(diene) Complex. [作者：Berthon-Gelloz, Guillaume;Schumers, Jean-Marc;De Bo, Guillaume;Marko, Istvan E.;,期刊：Journal of Organic Chemistry, 页码：4190-4197 , 文章类型： 研究论文，,卷期：2008年73-11] The regioselective hydrosilylation of terminal and internal alkynes catalyzed by the novel (IPr)Pt(AE) (7) (IPr = bis(2,6-diisopropylphenyl)imidazo-2-ylidene, AE = allyl ether) complex is presented. The (IPr)Pt(AE) cata... Electrophile-Induced Cyclization/Migration Reaction for the Synthesis of 2,3-Dihydro-5-iodopyran-4-one. [作者：Wen, Shu-Guang;Liu, Wei-Min;Liang, Yong-Min;,期刊：Journal of Organic Chemistry, 页码：4342-4344 , 文章类型： 研究论文，,卷期：2008年73-11] A novel method for the construction of 2,3-dihydro-5-iodopyran-4-one, e.g. I (R = Ph, 4-AcC6H4, 4-MeOC6H4, n-pentyl, etc.), through a domino cyclization/migration reaction of 1-alkynyl-2,3-epoxy alc., e.g. II, was develo... Synthesis of Polyhydroxylated 2H-Azirines and 2-Halo-2H-azirines from 3-Azido-2,3-dideoxyhexopyranoses by Alkoxyl Radical Fragmentation. [作者：Alonso-Cruz, Carmen R.;Kennedy, Alan R.;Rodriguez, Maria S.;Suarez, Ernesto;,期刊：Journal of Organic Chemistry, 页码：4116-4122 , 文章类型： 研究论文，,卷期：2008年73-11] The reaction of 3-azido-2,3-dideoxypyranose and 3-azido-2,3-dideoxy-2-halohexopyranose compds. with (diacetoxyiodo)benzene and iodine generated 2-azido-1,2-dideoxy-1-iodoalditols and 2-azido-1,2-dideoxy-1-halo-1-iodoaldi...