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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52条记录   Efficient synthesis of trifluoromethyl and related trisubstituted alkene dipeptide isosteres by palladium-catalyzed carbonylation of amino acid derived allylic carbonates. [作者：Inokuchi, Eriko;Narumi, Tetsuo;Niida, Ayumu;Kobayashi, Kazuya;Tomita, Kenji;Oishi, Shinya;Ohno, Hiroaki;Fujii, Nobutaka;,期刊：Journal of Organic Chemistry, 页码：3942-3945 , 文章类型： 研究论文，,卷期：2008年73-10] A novel stereoselective synthetic approach to (Z)-trifluoromethylalkene dipeptide isosteres (CF3-ADIs) is described. Starting from readily available N-Boc-L-phenylalanine, Phe-Gly type CF3-ADIs were obtained through pal... Density Functional Theory Studies of Negishi Alkyl-Alkyl Cross-Coupling Reactions Catalyzed by a Methylterpyridyl-Ni(I) Complex. [作者：Lin, Xufeng;Phillips, David Lee;,期刊：Journal of Organic Chemistry, 页码：3680-3688 , 文章类型： 研究论文，,卷期：2008年73-10] D. functional theory calcns. were done to examine the potential energy surfaces of Ni(I)-catalyzed Negishi alkyl-alkyl cross-coupling reactions by using Pr iodide and iso-Pr iodide as model alkyl electrophiles and CH3ZnI... Room-Temperature Kumada Cross-Coupling of Unactivated Aryl Chlorides Catalyzed by N-Heterocylic Carbene-Based Nickel(II) Complexes. [作者：Xi, Zhenxing;Liu, Bin;Chen, Wanzhi;,期刊：Journal of Organic Chemistry, 页码：3954-3957 , 文章类型： 研究论文，,卷期：2008年73-10] The Kumada cross-coupling reaction of a variety of unactivated aryl complexes contg. pyridine-functionalized NHC ligands is described. The catalysts are so active that the reactions proceed at room temp. in excellent yie... Modular Synthesis of 5-Substituted Thiophen-2-yl C-2'-Deoxyribonucleosides. [作者：Barta, Jan;Pohl, Radek;Klepetarova, Blanka;Ernsting, Nikolaus P.;Hocek, Michal;,期刊：Journal of Organic Chemistry, 页码：3798-3806 , 文章类型： 研究论文，,卷期：2008年73-10] A new modular methodol. of prepn. of 5-substituted thiophene-2-yl C-nucleosides was developed. A Friedel-Crafts-type of C-glycosidation of 2-bromothiophene with toluoyl-protected methylglycoside gave the desired protect... New Telluride-Mediated Elimination for Novel Synthesis of 2',3'-Didehydro-2',3'-dideoxynucleosides. [作者：Sheng, Jia;Hassan, Abdalla E. A.;Huang, Zhen;,期刊：Journal of Organic Chemistry, 页码：3725-3729 , 文章类型： 研究论文，,卷期：2008年73-10] Several 2',3'-dideoxynucleosides (ddNs) and 2',3'-didehydro-2',3'-dideoxynucleosides (d4Ns) are FDA-approved anti-HIV drugs. Via conveniently synthesized 2,2'-anhydronucleosides, we have developed a novel synthesis of d... Phorbasides A-E, Cytotoxic Chlorocyclopropane Macrolide Glycosides from the Marine Sponge Phorbas sp. CD Determination of C-Methyl Sugar Configurations. [作者：MacMillan, John B.;Guang, Xiong-Zhou;Skepper, Colin K.;Molinski, Tadeusz F.;,期刊：Journal of Organic Chemistry, 页码：3699-3706 , 文章类型： 研究论文，,卷期：2008年73-10] Five new cytotoxic macrolide glycosides phorbasides A (e.g. I)-E, each possessing a macrolide ring appended to a rare ene-yne-trans-2-chlorocyclopropane, were isolated from the same Western Australian sponge (Phorbas sp.... Cation-induced p-stacking. [作者：Bosch, Eric;Barnes, Charles L.;Brennan, Nathan L.;Eakins, Galen L.;Breyfogle, Bryan E.;,期刊：Journal of Organic Chemistry, 页码：3931-3934 , 文章类型： 研究论文，,卷期：2008年73-10] The design and synthesis of a new dipyridyl ligand with appended trifluoromethanesulfonate to a soln. of I, the phenanthryl protons shift upfield in the 1H NMR spectrum, suggesting that the phenanthrenes p-stack on coord... Cyclic Nitriles: Stereodivergent Addition-Alkylation-Cyclization to cis- and trans-Abietanes. [作者：Fleming, Fraser F.;Wei, Guoqing;Steward, Omar W.;,期刊：Journal of Organic Chemistry, 页码：3674-3679 , 文章类型： 研究论文，,卷期：2008年73-10] Diverse cyclic hydroxy nitriles are readily synthesized through sequential 1,2-1,4-Grignard addn.-methylations to 3-oxo-1-cyclohexene-1-carbonitrile. Acid-catalyzed intramol. cyclizations of the cyclic hydroxy nitriles ... Functionalization of Organotrifluoroborates: Reductive Amination. [作者：Molander, Gary A.;Cooper, David J.;,期刊：Journal of Organic Chemistry, 页码：3885-3891 , 文章类型： 研究论文，,卷期：2008年73-10] The authors report the conversion of aldehyde-contg. K and Bu4N organotrifluoroborates (e.g. tetrabutylammonium trifluoro(4-formylfuran-2-yl)borate) to the corresponding amines through reductive amination protocols. K f... Unsymmetric Pyrrole, Thiophene, and Furan-Conjugated Comonomers Prepared Using Azomethine Connections: Potential New Monomers for Alternating Homocoupled Products. [作者：Dufresne, Stephane;Skene, W. G.;,期刊：Journal of Organic Chemistry, 页码：3859-3866 , 文章类型： 研究论文，,卷期：2008年73-10] Unsym. comonomers consisting of thiophene, pyrrole, and furan heterocycles were prepd. using azomethine bonds. Photophys. investigation of the novel p-donor-donor-donor segmented compds. revealed that their singlet exci... Highly Diastereoselective Synthetic Route to Enantiopure b2-Amino Acids and g-Amino Alcohols Using a Fluorinated Oxazolidine (Fox) as Chiral Auxiliary. [作者：Tessier, Arnaud;Lahmar, Nour;Pytkowicz, Julien;Brigaud, Thierry;,期刊：Journal of Organic Chemistry, 页码：3970-3973 , 文章类型： 研究论文，,卷期：2008年73-10] The alkylation reactions of an amide I (R = H) enolate bearing a trifluoromethylated oxazolidine (Fox) chiral auxiliary occurred with a complete diastereoselectivity with various alkyl halides to provide the correspondin... Titanocene(III) Chloride Mediated Radical-Induced Addition to Baylis-Hillman Adducts: Synthesis of (E)- and (Z)-Trisubstituted Alkenes and a-Methylene/Arylidene d-Lactones. [作者：Mandal, Samir K.;Paira, Moumita;Roy, Subhas C.;,期刊：Journal of Organic Chemistry, 页码：3823-3827 , 文章类型： 研究论文，,卷期：2008年73-10] Baylis-Hillman adducts H2C:CR1CHR2OAc (R1 = CO2Me, R2 = H, Ph, 4-ClC6H4, 4-MeC6H4; R1 = CN, R2 = 4-MeC6H4) (I) underwent smooth radical-induced condensation with activated halides R3X (R3 = H2C:CHCH2, PhCH2, 4-ClC6H4, 4-... A Cross-Metathesis Route to the 5-F2-Isoprostanes. [作者：Pandya, Bhaumik A.;Snapper, Marc L.;,期刊：Journal of Organic Chemistry, 页码：3754-3758 , 文章类型： 研究论文，,卷期：2008年73-10] A library of eight 5-F2-isoprostanes, e.g. I, was prepd. through a ring-opening metathesis/cross-metathesis protocol between functionalized bicyclo[3.2.0]heptenes, ethylene, and a,b-unsatd. ketones. This sequence provid... Efficient Synthesis of cis- and trans-3,4-Dihydroxy-3,4-dihydromollugin. [作者：Mudiganti, Naga Venkata Sastry;Claessens, Sven;Habonimana, Pascal;De Kimpe, Norbert;,期刊：Journal of Organic Chemistry, 页码：3867-3874 , 文章类型： 研究论文，,卷期：2008年73-10] An efficient synthesis of naturally occurring compds. isolated from Pentas longiflora, cis-3,4-dihydroxy-3,4-dihydromollugin (I), and trans-3,4-dihydroxy-3,4-dihydromollugin (II) is described. The O-protected mollugins ... A Novel One-Pot Pseudo-Five-Component Synthesis of 4,5,6,7-Tetrahydro-1H-1,4-diazepine-5-carboxamide Derivatives. [作者：Shaabani, Ahmad;Maleki, Ali;Mofakham, Hamid;Moghimi-Rad, Jafar;,期刊：Journal of Organic Chemistry, 页码：3925-3927 , 文章类型： 研究论文，,卷期：2008年73-10] (Heterocyclic Compounds (More Than One Hetero Atom)) Section A novel one-pot pseudo-five-component synthesis of 4,5,6,7-tetrahydro-1H-1,4-diazepine-5-carboxamide derivs., e.g., I, starting from simple and readily availab... A Tandem Approach to Isoquinolines from 2-Azido-3-arylacrylates and a-Diazocarbonyl Compounds. [作者：Yang, Yun-Yun;Shou, Wang-Ge;Chen, Zheng-Bo;Hong, Deng;Wang, Yan-Guang;,期刊：Journal of Organic Chemistry, 页码：3928-3930 , 文章类型： 研究论文，,卷期：2008年73-10] 2-Azido-3-arylacrylates react with a-diazocarbonyl compds. and triphenylphosphine to furnish isoquinolines in 60-92% yields. The tandem process involves a Wolff rearrangement, an aza-Wittig reaction, and an electrocycli...