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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54条记录   DENDRONIZED BI-2-QUINOLINE LIGANDS AND THEIR METAL COMPLEXES: DENDRON SYNTHESIS AND METALLOASSEMBLY [作者：PATRI ANIL; MOOREFIELD CHARLES N; NEWKOME GEORGE R,期刊：Heterocycles, 页码：1023-1032 , 文章类型： Article，,卷期：2012年84-2] The synthesis of bis-biquinoline ligands possessing G1 and G2 Behera's amine-based dendrons with acid and ester termini was accomplished. Treatment with Cu(I) salts quantitatively generated the desired stable metal loden... MULTICOMPONENT CLICK SYNTHESIS OF POTENTIALLY BIOLOGICALLY ACTIVE TRIAZOLES CATALYSED BY COPPER NANOPARTICLES ON ACTIVATED CARBON IN WATER [作者：ALONSO FRANCISCO; MOGLIE YANINA; RADIVOY GABRIEL; YUS MIGUEL,期刊：Heterocycles, 页码：1033-1044 , 文章类型： Article，,卷期：2012年84-2] A variety of potentially biologically active 1,2,3-triazoles, derived from (-)-menthol, lactic acid, D-glucose, oestrone, cholesterol, and phenacetin, have been synthesised through the multicomponent alkyne-azide 1,3-dip... CHIBA-G-CATALYZED INTRAMOLECULAR OXO-MICHAEL ADDITION: SYNTHETIC APPROACHES TO VITAMINE E SKELETON [作者：TOKUNOU SAYAKA; NAKANISHI WAKA; KAGAWA NATSUKO; KUMAMOTO TAKUYA; ISHIKAWA TSUTOMU,期刊：Heterocycles, 页码：1045-1056 , 文章类型： Article，,卷期：2012年84-2] A chroman skeleton with quaternary carbon chiral center, leadable to vitamin E after manipulation, was constructed through 6-exo-trig type intramolecular oxo-Michael addition in up to 44% yield with 81% ee when a phenol ... VERSATILE PHOTOREARRANGEMENT OF PHOTOCYCLOADDUCTS FROM 5-FLUORO-1,3-DIMETHYLURACIL AND NAPHTHALENE [作者：OHKURA KAZUE; AKIZAWA HIROMICHI; KUDO MIKIKO; ISHIHARA TETSUYA; OSHIMA NOBUHIRO; SEKI KOHICHI,期刊：Heterocycles, 页码：1057-1065 , 文章类型： Article，,卷期：2012年84-2] Direct UV-irradiation of 5-fluoro-1,3-dimethyluracil (5-FDMU) and naphthalene (1) with a 500 W high-pressure mercury lamp in a degassed Pyrex tube (lambda, > 300 nm) predominantly afforded benzopyrimidobarrelene derivati... SYNTHESIS OF NOVEL OLIGOSACCHARIDES BASED ON 1,4-DIOXANYLOXY 3-OXASUGARS [作者：MOROZOVA MARGARET; WICKREMASINGHE SONALI; RIZZACASA MARK A,期刊：Heterocycles, 页码：1067-1079 , 文章类型： Article，,卷期：2012年84-2] The synthesis of a new family of di and tri-3-oxaoligosaccharides based on the 1,4-dioxanyloxy or 3-oxapseudosugar moiety is described. The approach involved the glycosylation of trichloroacetamidate donors with acceptor... STRUCTURE AND MUTAGENICITY OF A DIRECT-ACTING MUTAGEN DERIVED FROM THE REACTION OF N-NITROSO-N-METHYLBUTYLAMINE WITH HYDROXYL RADICAL [作者：INAMI KEIKO; MIURA MOTOFUMI; TSUTSUMI NOZOMI; OKOCHI ERIKO; SUSAKI YOKO; ISHIKAWA SATOKO; MOTOHASHI SHIGEYASU; SHIINO JUNKO; TAKEDA KEI; MOCHIZUKI MASATAKA,期刊：Heterocycles, 页码：1081-1088 , 文章类型： Article，,卷期：2012年84-2] The mutagenicity of N-nitrosamines is usually detected in the presence of an S9 mix, which includes cytochrome P450. The mutagenicity of N-nitrosodialkylamines is induced by Fe2+-Cu2+-H2O2, which can be used as a chemica... APPLICATIONS OF MULTICOMPONENT ASSEMBLY PROCESSES TO THE FACILE SYNTHESES OF DIVERSELY FUNCTIONALIZED NITROGEN HETEROCYCLES [作者：DONALD JAMES R; GRANGER BRETT A; HARDY SIMON; SAHN JAMES J; MARTIN STEPHEN F,期刊：Heterocycles, 页码：1089-1112 , 文章类型： Article，,卷期：2012年84-2] Several multicomponent assembly processes have been developed for the synthesis of intermediates that may be elaborated by a variety of cyclizations to generate a diverse array of highly functionalized heterocycles from ... SYNTHESIS OF NORBORNANE-FUSED 1,3-DITHIOLANES AND EVALUATION OF 1,3-DITHIOLANE-CONTAINING POLYMERS AS ABSORBANTS FOR MERCURY(II) SALTS [作者：AITKEN R ALAN; AITKEN KATI M; LAMBERT STUART; PLAYFAIR RICHARD; WILSON NEIL J,期刊：Heterocycles, 页码：1113-1122 , 文章类型： Article，,卷期：2012年84-2] Hydrolysis of the zwitterionic adducts formed from Bu3P, CS2 and norbornene or norbomadiene gives Bu3PO and the corresponding norbornane-fused 1,3-dithiolanes. Oxidation of these gives endo-sulfoxides while attempted hyd... REGIOSELECTIVE GLYCOSYLATION OF UNPROTECTED METHYL HEXOPYRANOSIDE BY TRANSIENT MASKING WITH ARYLBORONIC ACID [作者：NISHINO TAKASHI; OHYA YOHEI; MURAI RIE; SHIRAHATA TATSUYA; YAMAMOTO DAISUKE; MAKINO KAZUISHI; KAJI EISUKE,期刊：Heterocycles, 页码：1123-1140 , 文章类型： Article，,卷期：2012年84-2] Unprotected methyl alpha/beta-D-galactopyranoside, alpha/beta-D-glucopyranoside, alpha-L-fucopyranoside, and alpha-L-rhamnopyranoside were regioselectively glycosylated by treatment with per-O-pivaloyl-alpha-D-glycopyran... CONVERGENT TOTAL SYNTHESES OF THE PENTACYCLIC LAMELLARINS K, T, U AND W VIA THE ADDITION OF AZOMETHINE YLIDES TO TETHERED TOLANS [作者：FLYNN BERNARD L; BANWELL MARTIN G,期刊：Heterocycles, 页码：1141-1170 , 文章类型： Article，,卷期：2012年84-2] The title compounds, 1-4 respectively, have been prepared in a concise and fully regiocontrolled manner via the addition of an azomethine ylide to an ester-linked tolan. The resulting annulated dihydropyrrole was oxidize... A NEW DERIVATIVE OF GALANTHAMINE: METHYLENE INSERTION INTO THE AROMATIC RING IN PLACE OF CYCLOPROPANATION [作者：KEGLEVICH PETER; KOVACS PETER; HAZAI LASZLO; SANTA ZSUZSANNA; DUBROVAY ZSOFIA; HADA VIKTOR; SZANTAY CSABA JR; KALAUS GYOERGY; SZANTAY CSABA,期刊：Heterocycles, 页码：1171-1178 , 文章类型： Article，,卷期：2012年84-2] In the course of the reaction between galanthamine and diazomethane in the presence of a catalyst, such as palladium(II) acetate or copper(I) bromide, methylene insertion into the aromatic ring was observed instead of th... SYNTHESIS OF AZA-SURFACTIN AND 3-EPI-AZA-SURFACTIN [作者：HUANG YILIN; FREY RAPHAEL; JUAREZGARCIA M ELISA; BODE JEFFREY W,期刊：Heterocycles, 页码：1179-1191 , 文章类型： Article，,卷期：2012年84-2] Two synthetic approaches to aza-surfactins are reported. In the first, our recently developed synthesis of unnatural beta(3)-amino acids was used to prepare the requisite monomer, which was used in solid phase peptide sy... SYNTHETIC STUDIES ON MPC1001: A DIPOLAR CYCLOADDITION APPROACH TO THE PYRROLIDINE RING SYSTEM [作者：SCHUBER PAUL T; WILLIAMS ROBERT M,期刊：Heterocycles, 页码：1193-1207 , 文章类型： Article，,卷期：2012年84-2] A novel [1,3]-dipolar azomethine ylide cycloaddition has been developed in an approach to the synthesis of the MPC1001 family of natural products. NEW HYDRAZINE-BASED ORGANOCATALYST FOR ASYMMETRIC DIELS-ALDER REACTION OF 1,2-DIHYDROPYRIDINES [作者：OKUYAMA YUKO; OSONE KENICHI; NAKANO HIROTO; TAKESHITA MITSUHIRO,期刊：Heterocycles, 页码：1209-1216 , 文章类型： Article，,卷期：2012年84-2] Chiral hydrazinoalcohol organocatalyst is designed and synthesized as a new organocatalyst for the enantioselective Diels-Alder reaction between 1,2-dihydropyridines and acrolein derivatives to produce an optical active ... ACCESS TO SOME UV CHROMOPHORE-CONTAINING ANTIMALARIAL TRIOXANES USING HYDROGEN PEROXIDE AS SOURCE OF THE PEROXY BONDS [作者：LI YUN; WITTLIN SERGIO; WU YIKANG,期刊：Heterocycles, 页码：1217-1226 , 文章类型： Article，,卷期：2012年84-2] Several trioxanes were synthesized through perhydrolysis of an allylic epoxide followed by ketal exchange with a proper dimethyl ketal. FORMAL SYNTHESIS OF (-)-CLAVEPICTINE A AND (+)-CLAVEPICTINE B FROM A SULFINIMINE (N-SULFINYLIMINE)-DERIVED CHIRAL BUILDING BLOCK [作者：DAVIS FRANKLIN A; XU HE,期刊：Heterocycles, 页码：1227-1233 , 文章类型： Article，,卷期：2012年84-2] The sulfinimine-derived chiral building block trans-2,6-disubstituted 1,2,5,6-tetrahydropiperidine (+)-5 was employed in a concise formal asymmetric synthesis of the cytotoxic marine alkaloids clavepictines (-)-A and (+)...