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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   A Facile One-Pot Preparation of Organoselanyltrifluoroborates from Dihalobenzenes and Their Cross-Coupling Reaction. [作者：Ahn, Hong Ryul;Cho, Young Ae;Kim, Dong-Su;Chin, Jungwook;Gyoung, Young-Soo;Lee, Seokjoon;Kang, Heonjoong;Ham, Jungyeob;,期刊：Organic Letters, 页码：361-364 , 文章类型： 研究论文，,卷期：2009年11-2] Potassium organoselanyltrifluoroborates have been prepd. from the corresponding dihalobenzene compds. in 56-92% yields through a facile one-pot, multicomponent reaction. The microwave-promoted Suzuki-Miyaura cross-coupl... Iron-catalyzed 1,4-addition of a-olefins to dienes. [作者：Moreau, Benoit;Wu, Jessica Y.;Ritter, Tobias;,期刊：Organic Letters, 页码：337-339 , 文章类型： 研究论文，,卷期：2009年11-2] A intermol., stereo- and regioselective iron-catalyzed 1,4-addn. of a-olefins to 1,3-dienes using as low as 1 mol % of an iminopyridine-ferrous chloride complex was developed. Importantly, both double bonds of the linea... Interactions of Arenes and Thioethers Resulting in Facilitated Oxidation. [作者：Chung, Woo Jin;Ammam, Malika;Gruhn, Nadine E.;Nichol, Gary S.;Singh, Waheguru P.;Wilson, George S.;Glass, Richard S.;,期刊：Organic Letters, 页码：397-400 , 文章类型： 研究论文，,卷期：2009年11-2] Synthesis of 6-endo and 6-exomethylthio-2-endoarylbicyclo[2.2.1]heptanes was accomplished stereoselectively. The ionization energies, detd. by photoelectron spectroscopy, and electrochem. oxidn. potentials, detd. by cyc... Making Imines Without Making Water - Exploiting a Recognition-Mediated Aza-Wittig Reaction. [作者：del Amo, Vicente;Philp, Douglas;,期刊：Organic Letters, 页码：301-304 , 文章类型： 研究论文，,卷期：2009年11-2] aldehyde. The kinetic and thermodn. parameters for this reaction are compared with those obtained from a condensation reaction between an aldehyde and an amine that forms the same product. Direct Transfer of the Sulfonylimino Group of Imino-l3-Bromane to N-Heterocycles and Trialkylamines: Synthesis of N-Iminoammonium Ylides under Metal-Free Conditions. [作者：Ochiai, Masahito;Kawano, Yufuko;Kaneaki, Takao;Tada, Norihiro;Miyamoto, Kazunori;,期刊：Organic Letters, 页码：281-284 , 文章类型： 研究论文，,卷期：2009年11-2] Exposure of N-heterocycles and aliph. trialkylamines to trifluoromethanesulfonylimino-l3-bromane at room temp. results in direct transfer of the sulfonylimino group to the nitrogen atoms and affords a variety of iminoamm... Stereoselective Synthesis of Dienes from N-Allylhydrazones. [作者：Mundal, Devon A.;Lutz, Kelly E.;Thomson, Regan J.;,期刊：Organic Letters, 页码：465-468 , 文章类型： 研究论文，,卷期：2009年11-2] A new method for the stereoselective synthesis of dienes from aldehydes and N-allylhydrazine derivs. has been developed. High levels of (E)-stereoselectivity are obtained for a variety of substrates. Addn. of a dienophi... Flinderoles A-C: Antimalarial Bis-indole Alkaloids from Flindersia Species. [作者：Fernandez, Liza S.;Buchanan, Malcolm S.;Carroll, Anthony R.;Feng, Yun Jiang;Quinn, Ronald J.;Avery, Vicky M.;,期刊：Organic Letters, 页码：329-332 , 文章类型： 研究论文，,卷期：2009年11-2] activities with IC50 values between 0.15-1.42 mM. Flinderole A was isolated from the Australian plant Flindersia acuminata and flinderoles B and C from the Papua New Guinean plant F. amboinensis. Flinderoles A-C contain... JBIR-23 and -24, novel anticancer agents from Streptomyces sp. [作者：AK-AB27. Motohashi, Keiichiro;Hwang, Ji-Hwan;Sekido, Yoshitaka;Takagi, Motoki;Shin-ya, Kazuo;,期刊：Organic Letters, 页码：285-288 , 文章类型： 研究论文，,卷期：2009年11-2] The screening for active compds. against malignant pleural mesothelioma (MPM) cells produced by Streptomyces sp. AK-AB27 resulted in the isolation of 2 compds. with a dodecahydrodibenzo[b,d]furan skeleton named JBIR-23 a... Structurally Simple Dipolar Organic Dyes Featuring 1,3-Cyclohexadiene Conjugated Unit for Dye-Sensitized Solar Cells. [作者：Chen, Kuan-Fu;Hsu, Ying-Chan;Wu, Qiongyou;Yeh, Ming-Chang P.;Sun, Shih-Sheng;,期刊：Organic Letters, 页码：377-380 , 文章类型： 研究论文，,卷期：2009年11-2] Structurally simple dipolar light-harvesting org. dyes featuring 1,3-cyclohexadiene in an arom. p framework were synthesized and characterized. The highest conversion efficiency of dye-sensitized solar cell based on the... Biosynthetic origins of the ionophore antibiotic indanomycin. [作者：Roege, Kathryn E.;Kelly, Wendy L.;,期刊：Organic Letters, 页码：297-300 , 文章类型： 研究论文，,卷期：2009年11-2] The pyrroloketoindane antibiotic indanomycin is produced by Streptomyces antibioticus NRRL 8167. These hybrid nonribosomal peptide-polyketide ionophore antibiotics are characterized by the presence of an unusual indane ... Formation and Utility of Azasilacyclopentadienes Derived from Silacyclopropenes and Nitriles. [作者：Anderson, Laura L.;Woerpel, K. A.;,期刊：Organic Letters, 页码：425-428 , 文章类型： 研究论文，,卷期：2009年11-2] converted to allylic amines after redn. and protodesilylation. The enamine functionality of azasilacyclopentadienes also participates in 1,4-addn. reactions and undergoes a hydroboration and oxidn. sequence to form an a... Annulations of Enantioenriched Allenylsilanes with in Situ Generated Iminium Ions: Stereoselective Synthesis of Diverse Heterocycles. [作者：Brawn, Ryan A.;Panek, James S.;,期刊：Organic Letters, 页码：473-476 , 文章类型： 研究论文，,卷期：2009年11-2] Highly enantioenriched allenylsilanes participate in Lewis acid mediated annulations with in situ generated iminium ions derived from tert-Bu carbamate and Me carbamate to selectively form functionalized 4,5-dihydropyrro... Bromoethylsulfonium Salt-A More Effective Annulation Agent for the Synthesis of 6- and 7-Membered 1,4-Heterocyclic Compounds. [作者：Yar, Muhammad;McGarrigle, Eoghan M.;Aggarwal, Varinder K.;,期刊：Organic Letters, 页码：257-260 , 文章类型： 研究论文，,卷期：2009年11-2] Reaction of bromoethylsulfonium salt with 1,2-/1,3-amino alcs. gave six- and seven-membered rings in good-to-excellent yields. The reactions proceed through generation of a vinyl sulfonium salt followed by annulation to...