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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   Efficient Synthesis of a Sialic Acid a(2?)Galactose Building Block and Its Application to the Synthesis of Ganglioside GM3. [作者：Liu, Yunpeng;Ruan, Xiaohong;Li, Xiangpeng;Li, Yingxia;,期刊：Journal of Organic Chemistry, 页码：4287-4290 , 文章类型： 研究论文，,卷期：2008年73-11] Glycosylation of various galactose derivs. with O-acetylated sialic acid N-phenyltrifluoroacetimidate as the donor was investigated. Efficient a(2,3)sialylation of galactose, with up to 73% yield and 8.4:1 stereoselecti... Gold(I)-Catalyzed Glycosidation of 1,2-Anhydrosugars. [作者：Li, Yao;Tang, Pingping;Chen, Youxi;Yu, Biao;,期刊：Journal of Organic Chemistry, 页码：4323-4325 , 文章类型： 研究论文，,卷期：2008年73-11] Being able to increase the yield by >20% compared to the conventional use of anhyd. zinc chloride (>1 equiv) as a promoter, Ph3PAuOTf is disclosed to be a superior catalyst for the well-established glycosylation reaction... Synthetic Studies toward Halichlorine: Complex Azaspirocycle Formation with Use of an NBS-Promoted Semipinacol Reaction. [作者：Hurley, Paul B.;Dake, Gregory R.;,期刊：Journal of Organic Chemistry, 页码：4131-4138 , 文章类型： 研究论文，,卷期：2008年73-11] The investigations of a synthetic route incorporating a NBS-promoted semipinacol rearrangement to the 6-azaspiro[4.5]decane fragment I within halichlorine are presented. A convergent approach was pursued, utilizing two ... Highly Enantioselective Borane Reduction of Heteroaryl and Heterocyclic Ketoxime Ethers Catalyzed by Novel Spiroborate Ester Derived from Diphenylvalinol: Application to the Synthesis of Nicotine Analogues. [作者：Huang, Kun;Merced, Francisco G.;Ortiz-Marciales, Margarita;Melendez, Hector J.;Correa, Wildeliz;De Jesus, Melvin;,期刊：Journal of Organic Chemistry, 页码：4017-4026 , 文章类型： 研究论文，,卷期：2008年73-11] An asym. synthesis for the prepn. of nonracemic amines bearing heterocyclic and heteroarom. rings is described. A variety of important enantiopure thionyl and arylalkyl primary amines were afforded by the borane-mediate... Synthetic Applications with Use of a Silica-Supported Alkyne Metathesis Catalyst. [作者：Cho, Hyeon Mo;Weissman, Haim;Moore, Jeffrey S.;,期刊：Journal of Organic Chemistry, 页码：4256-4258 , 文章类型： 研究论文，,卷期：2008年73-11] (Heterocyclic Compounds (More Than One Hetero Atom)) Section A highly active and durable fumed silica-supported heterogeneous molybdenum(VI) catalyst was applied to ring closing alkyne metathesis and cyclooligomerization... Design and Synthesis of Planar Chiral Heterocyclic Carbene Precursors Derived from [2.2]Paracyclophane. [作者：Duan, Wenzeng;Ma, Yudao;Xia, Houqi;Liu, Xueying;Ma, Qingshuang;Sun, Junshan;,期刊：Journal of Organic Chemistry, 页码：4330-4333 , 文章类型： 研究论文，,卷期：2008年73-11] A unique family of planar chiral sym. N-heterocyclic carbene precursors with restricted flexibility derived from [2.2]paracyclophane were obtained by a new synthetic route. The resoln. of 4-amino-13-bromo[2.2]paracyclop... Stereoselective One-Pot Synthesis of Oxazolines. [作者：Hajra, Saumen;Bar, Sukanta;Sinha, Debarshi;Maji, Biswajit;,期刊：Journal of Organic Chemistry, 页码：4320-4322 , 文章类型： 研究论文，,卷期：2008年73-11] Treatment of alkenes with NBS, a nitrile, NaHCO3 and water in the presence of Cu(OTf)2 or Zn(OTf)2 is reported to furnish oxazolines in one pot and good yields. E.g., reaction of trans-stilbene, MeCN, NBS, NaHCO3, and w... 2-Nitrophenyl Isocyanide as a Versatile Convertible Isocyanide: Rapid Access to a Fused g-Lactam b-Lactone Bicycle. [作者：Gilley, Cynthia B.;Kobayashi, Yoshihisa;,期刊：Journal of Organic Chemistry, 页码：4198-4204 , 文章类型： 研究论文，,卷期：2008年73-11] 2-Nitrophenyl isocyanide is introduced as a convertible isocyanide with demonstration of its feasibility and applicability in an efficient synthesis of the fused g-lactam b-lactone bicycle of proteasome inhibitor omurali... Direct Access to 4-Carboxy-1,8-naphthyridines and Related Compounds through Pfitzinger-Type Chemistry. [作者：Zong, Ruifa;Zhou, Hui;Thummel, Randolph P.;,期刊：Journal of Organic Chemistry, 页码：4334-4337 , 文章类型： 研究论文，,卷期：2008年73-11] The 4-carboxy-1,8-naphthyrid-2-yl moiety is a useful ligand component in that it promotes lower energy electronic absorption in its metal complexes and also provides a useful tether for anchoring the ligand to a semicond... Rapid Access to Amino-Substituted Quinoline, (Di)Benzofuran, and Carbazole Heterocycles through an Aminobenzannulation Reaction. [作者：Tiano, Martin;Belmont, Philippe;,期刊：Journal of Organic Chemistry, 页码：4101-4109 , 文章类型： 研究论文，,卷期：2008年73-11] A powerful aminobenzannulation reaction has been applied for the synthesis of amino-substituted quinolines, dibenzofurans, and carbazoles. The precursors are heterocycles bearing an acetyl group ortho to an internal alk... Enantioselective Baeyer-Villiger Oxidation Catalyzed by Palladium(II) Complexes with Chiral P,N-Ligands. [作者：Malkov, Andrei V.;Friscourt, Frederic;Bell, Mark;Swarbrick, Martin E.;Kocovsky, Pavel;,期刊：Journal of Organic Chemistry, 页码：3996-4003 , 文章类型： 研究论文，,卷期：2008年73-11] Asym. Baeyer-Villiger reaction of sym. cyclobutanones with and the new terpene-derived P,N-ligand, e.g., I. The resulting lactones, e.g., II, were obtained in high yields and with good enantioselectivity (?1% ee). Total Synthesis of Solandelactones A, B, E, and F Exploiting a Tandem Petasis-Claisen Lactonization Strategy. [作者：White, James D.;Lincoln, Christopher M.;Yang, Jongtae;Martin, William H. C.;Chan, David B.;,期刊：Journal of Organic Chemistry, 页码：4139-4150 , 文章类型： 研究论文，,卷期：2008年73-11] Solandelactones A, B, E, and F I (R = a-OH, R1 = H; R = b-OH, R1 = H; R = a-OH, R12 = bond; R = b-OH, R12 = bond, resp.) were synthesized using Nozaki-Hiyama-Kishi coupling of iododiene (3S,1E,5Z)-ICH:CHCH(OH)CH2CH:CH(CH... Synthesis of Hydrophobic Derivatives of the G-C Base for Rosette Nanotube Self-Assembly in Apolar Media. [作者：Tikhomirov, Grigory;Oderinde, Martins;Makeiff, Darren;Mansouri, Ali;Lu, Weibing;Heirtzler, Fenton;Kwok, Daniel Y.;Fenniri, Hicham;,期刊：Journal of Organic Chemistry, 页码：4248-4251 , 文章类型： 研究论文，,卷期：2008年73-11] Eleven self-complementary G-C derivs. bearing hydrophobic moieties were synthesized and characterized. One representative deriv. I from this family was shown to self-assemble into rosette nanotubes in hexane and form La... Synthesis of 5,15-Diaryltetrabenzoporphyrins. [作者：Filatov, Mikhail A.;Lebedev, Artem Y.;Vinogradov, Sergei A.;Cheprakov, Andrei V.;,期刊：Journal of Organic Chemistry, 页码：4175-4185 , 文章类型： 研究论文，,卷期：2008年73-11] A general method of synthesis of 5,15-diaryltetrabenzoporphyrins (Ar2TBPs), e.g. I, has been developed, based on 2 + 2 condensation of dipyrromethanes followed by oxidative aromatization. Two pathways to Ar2TBPs were in... Chemoselective Functionalization of 3,3'-Substituted BINOL Derivatives. [作者：Coluccini, Carmine;Castelluccio, Antonio;Pasini, Dario;,期刊：Journal of Organic Chemistry, 页码：4237-4240 , 文章类型： 研究论文，,卷期：2008年73-11] An efficient chemoselective differentiation of vicinal phenolic and benzylic alcs. on optically active binaphthyl skeletons I (R = H, R1 = TBS, trityl, OCOPh; R = CH2CO2t-Bu, BOC, R1 = H) has been achieved via TBS protec... Stereoselective Synthesis of 3,3-Diarylacrylonitriles as Tubulin Polymerization Inhibitors. [作者：Fang, Zhenglai;Song, Yunlong;Sarkar, Taradas;Hamel, Ernest;Fogler, William E.;Agoston, Gregory E.;Fanwick, Phillip E.;Cushman, Mark;,期刊：Journal of Organic Chemistry, 页码：4241-4244 , 文章类型： 研究论文，,卷期：2008年73-11] 22, 29 A series of 3,3-diarylacrylonitriles I (X = CMe, CCl, CCF3, N) were synthesized stereoselectively as tubulin polymn. inhibitors for potential use in cancer chemotherapy. This synthetic route features stannylcupra...