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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68条记录   Synthesis and Chemistry of 2,3-Dioxabicyclo[2.2.2]octane-5,6-diols. [作者：Valente, Peter;Avery, Thomas D.;Taylor, Dennis K.;Tiekink, Edward R. T.;,期刊：Journal of Organic Chemistry, 页码：274-282 , 文章类型： 研究论文，,卷期：2009年74-1] 1,4-Disubstituted 2,3-dioxabicyclo[2.2.2]oct-5-enes I (R = R1 = H, Me, Ph, R = Ph, R1 = H, etc.) were dihydroxylated with osmium tetroxide to yield diols II anti to the peroxide linkage in a highly selective manner. Redn... Highly Regio- and Stereoselective Cyclic Iodoetherification of 4,5-Alkadienols. An Efficient Preparation of 2-(1'(Z)-Iodoalkenyl)tetrahydrofurans. [作者：Lu, Bo;Jiang, Xinpeng;Fu, Chunling;Ma, Shengming;,期刊：Journal of Organic Chemistry, 页码：438-441 , 文章类型： 研究论文，,卷期：2009年74-1] In this paper, an efficient way to synthesize 2-(1'(Z)-iodoalkenyl)tetrahydrofurans, e.g. I (R1 = n-Bu, R2 = H, R3 = H, Me; R1 = n-hexyl, R2 = H, R3 = H, n-Pr), from 4,5-alkadienols and I2 was developed. The reaction of... Stereopentads Derived from a Sequence of Mukaiyama Aldolization and Free Radical Reduction on a-Methyl-b-alkoxy Aldehydes: A General Strategy for Efficient Polypropionate Synthesis. [作者：Brazeau, Jean-Francois;Mochirian, Philippe;Prevost, Michel;Guindon, Yvan;,期刊：Journal of Organic Chemistry, 页码：64-74 , 文章类型： 研究论文，,卷期：2009年74-1] In a stereodivergent manner, all 16 diastereomeric stereopentads were synthesized starting with a-methyl-b-alkoxy aldehydes. We designed an approach based on a sequence of a Mukaiyama aldolization with enoxysilane I fol... General Approach to the Total Synthesis of 9-Methoxy-Substituted Indole Alkaloids: Synthesis of Mitragynine, as well as 9-Methoxygeissoschizol and 9-Methoxy-Nb-methylgeissoschizol. [作者：Ma, Jun;Yin, Wenyuan;Zhou, Hao;Liao, Xuebin;Cook, James M.;,期刊：Journal of Organic Chemistry, 页码：264-273 , 文章类型： 研究论文，,卷期：2009年74-1] Herein, the full details of the synthesis of the 9-methoxy-substituted Corynanthe indole alkaloids mitragynine, 9-methoxygeissoschizol, and 9-methoxy-Nb-methylgeissoschizol are described. Initially, an efficient synthet... Facile and Efficient Hypervalent Iodine(III)-Mediated meso-Functionalization of Porphyrins. [作者：Shen, Dong-Mei;Liu, Chao;Chen, Xiao-Guang;Chen, Qing-Yun;,期刊：Journal of Organic Chemistry, 页码：206-211 , 文章类型： 研究论文，,卷期：2009年74-1] Highly facile and efficient synthesis of a variety of meso-functionalized porphyrins was accomplished by PhI(OAc)2-NaAuCl4 mediated direct nucleophilic substitution reactions of [5,10,15-triphenylporphyrinato]zinc(II) (Z... Facile Hydrolysis-Based Chemical Destruction of the Warfare Agents VX, GB, and HD by Alumina-Supported Fluoride Reagents. [作者：Gershonov, E.;Columbus, I.;Zafrani, Y.;,期刊：Journal of Organic Chemistry, 页码：329-338 , 文章类型： 研究论文，,卷期：2009年74-1] A facile solvent-free hydrolysis (chem. destruction) of the warfare agents VX [O-Et S-2-(diisopropylamino)ethyl methylphosphonothioate], GB [O-iso-Pr methylphosphonofluoridate or sarin], and HD [2,2'-dichloroethyl sulfid... Total Synthesis of (-)-Ardeemin. [作者：He, Bin;Song, Hao;Du, Yu;Qin, Yong;,期刊：Journal of Organic Chemistry, 页码：298-304 , 文章类型： 研究论文，,卷期：2009年74-1] Total synthesis of the potent anti-MDR indole alkaloid (-)-ardeemin I (R = H) and its N-acyl analogs I (R = CHO, COMe) was accomplished starting from L-tryptophan with about 2% overall yield in 20 steps. The key step de... Relative Basicities of ortho-, meta-, and para-Substituted Aryllithiums. [作者：Gorecka-Kobylinska, Joanna;Schlosser, Manfred;,期刊：Journal of Organic Chemistry, 页码：222-229 , 文章类型： 研究论文，,卷期：2009年74-1] The relative basicities of aryllithiums bearing methoxy, chlorine, fluorine, trifluoromethyl and trifluoromethoxy substituents at the ortho, meta, and para positions have been assessed. To this end, two aryllithiums of ... Synthesis of 6,7,8-Trisubstituted Purines via a Copper-Catalyzed Amidation Reaction. [作者：Ibrahim, Nada;Legraverend, Michel;,期刊：Journal of Organic Chemistry, 页码：463-465 , 文章类型： 研究论文，,卷期：2009年74-1] An efficient method for the synthesis of 6,7,8-trisubstituted purines, i.e. I, via a copper-catalyzed amidation reaction from easily accessible starting materials is reported. Furthermore, the resulting 6-benzylsulfanyl... Bis(imidazolium)-Calix[4]arene Receptors for Anion Binding. [作者：Dinares, Immaculada;Garcia de Miguel, Cristina;Mesquida, Neus;Alcalde, Ermitas;,期刊：Journal of Organic Chemistry, 页码：482-485 , 文章类型： 研究论文，,卷期：2009年74-1] Efficient access to bis(imidazolyl)calixarene and dicationic bis(imidazolium) salts directly bonded to the upper rim of calixarene structure has been reported. Anion binding properties of the new receptors were studied ... Cross coupling of bromo sydnones: development of a flexible route toward functionalized pyrazoles. [作者：Browne, Duncan L.;Taylor, John B.;Plant, Andrew;Harrity, Joseph P. A.;,期刊：Journal of Organic Chemistry, 页码：396-400 , 文章类型： 研究论文，,卷期：2009年74-1] The application of a Suzuki cross coupling approach to a range of C-4 substituted sydnones from a 4-bromosydnone is described. Moreover, the potential of this approach to prep. a diverse range of pyrazoles is demonstrat... Synthesis and Characterization of Tetrathiafulvalene-Substituted Di- and Tetraethynylethenes with p-Nitrophenyl Acceptors. [作者：Andersson, Asbjorn S.;Kerndrup, Lasse;Madsen, Anders O.;Kilsa, Kristine;Brondsted Nielsen, Mogens;La Porta, Philip R.;Biaggio, Ivan;,期刊：Journal of Organic Chemistry, 页码：375-382 , 文章类型： 研究论文，,卷期：2009年74-1] Novel di- and tetraethynylethene (DEE and TEE) compds., e.g. I and II, functionalized with tetrathiafulvalene (TTF) donor groups and p-nitrophenyl acceptor groups were synthesized by palladium-catalyzed cross-coupling re... Syntheses and Crystal Structures of Fused Thiophenes: [7]Helicene and Double Helicene, a D2-Symmetric Dimer of 3,3'-Bis(dithieno[2,3-b:3',2'-d]thiophene). [作者：Li, Chunli;Shi, Jianwu;Xu, Li;Wang, Yangguang;Cheng, Yanxiang;Wang, Hua;,期刊：Journal of Organic Chemistry, 页码：408-411 , 文章类型： 研究论文，,卷期：2009年74-1] The efficient synthesis of (TMS)2-[7]helicene (racemic I) and double helicene, a D2-sym. dimer of 3,3'-bis(dithieno[2,3-b:3',2'-d]thiophene) (racemic II) was developed. The crystal structures of I and II show both stron... An Efficient Synthesis of 2- and 2,6-Substituted Piperidines Using PdII-Catalyzed 1,3-Chirality Transfer Reaction. [作者：Hande, Sudhir M.;Kawai, Nobuyuki;Uenishi, Jun'ichi;,期刊：Journal of Organic Chemistry, 页码：244-253 , 文章类型： 研究论文，,卷期：2009年74-1] An efficient and general method for synthesis of 2- and 2,6-substituted piperidines using PdII-catalyzed 1,3-chirality transfer reaction has been developed. The various N-protected z-amino allylic alcs. (E)-RNH(CH2)4CH:... Deprotonative Magnesation and Cadmation of [1,2,3]Triazolo[1,5-a]pyridines. [作者：Bentabed-Ababsa, Ghenia;Blanco, Fernando;Derdour, Aicha;Mongin, Florence;Trecourt, Francois;Queguiner, Guy;Ballesteros, Rafael;Abarca, Belen;,期刊：Journal of Organic Chemistry, 页码：163-169 , 文章类型： 研究论文，,卷期：2009年74-1] regioselectively metalated at the 7 position using either Bu3MgLi or (TMP)3CdLi, the former at -10?and the latter at room temp. The lithium arylmagnesates (R = H, Me, Ph) proved to react with iodine (34-75%) or 3,4,5-tr... Platinum-catalyzed cycloisomerization reaction of 1,6-enyne coupling with rearrangement of propargylic esters. [作者：Lu, Li;Liu, Xue-Yuan;Shu, Xing-Zhong;Yang, Ke;Ji, Ke-Gong;Liang, Yong-Min;,期刊：Journal of Organic Chemistry, 页码：474-477 , 文章类型： 研究论文，,卷期：2009年74-1] A platinum-catalyzed cycloisomerization of 1,6-enyne coupling with the rearrangement chem. of propargylic ester has been developed. Most probably, under platinum catalysis, propargylic ester undergoes the 1,3-acyloxy mi...