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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17条记录   IMIDAZOLIDIN-4-ONES: THEIR SYNTHESES AND APPLICATIONS [作者：BLACKMORE TIMOTHY R; THOMPSON PHILIP E,期刊：Heterocycles, 页码：1953-1975 , 文章类型： Review，,卷期：2011年83-9] This review focuses on the synthesis and use of the imidazolidin-4-one ring in synthetic and medicinal chemistry studies. It has remained remarkably under-utilized as a motif in drug discovery despite its obvious similar... SYNTHESIS AND DONOR-pi-ACCEPTOR PROPERTIES OF POLYFLUORENE DERIVATIVES CONTAINING A PHENAZASILINE MOIETY AND AN ELECTRON ACCEPTOR [作者：ONO KATSUHIKO; KOBAYASHI TAKUJI; SATO YUMI; EGUCHI KATSUYA; KATO SHINYA; KISHI NAOKI; SOGA TETSUO,期刊：Heterocycles, 页码：1977-1982 , 文章类型： Article，,卷期：2011年83-9] Two polyfluorene derivatives containing a phenazasiline moiety and an electron acceptor were synthesized by the Suzuki coupling reaction. Molecular weight analysis showed that the two polymers had approximately 14 and 9 ... SYNTHESIS OF FLUORESCENT PYRROLO[3,4-b]QUINOLIZINE DERIVATIVES AND EVALUATION AS A PROTEIN-LABELING PROBE [作者：HAGIMORI MASAYORI; MIZUYAMA NAOKO; YOKOTA KENICHIROU; MORINAGA OSAMU; YAMAGUCHI YASUCHIKA; SAJI HIDEO; TOMINAGA YOSHINORI,期刊：Heterocycles, 页码：1983-1988 , 文章类型： Article，,卷期：2011年83-9] New fluorescent compounds, pyrrolo[3,4-b]quinolizines, were synthesized in good yields via a one-pot method based on the condensation of functionalized maleimides (1 a c) with 2-pyridylacetonitrile (2a), and alkyl 2-pyri... SYNTHETIC STUDIES OF SUBSTITUTED PYRIDINE ALDEHYDES AS INTERMEDIATES FOR THE SYNTHESIS OF TODDAQUINOLINE, ITS DERIVATIVES AND OTHER NATURAL PRODUCTS [作者：SERBAN GEORGETA; ABE HITOSHI; TAKEUCHI YASUO,期刊：Heterocycles, 页码：1989-2000 , 文章类型： Article，,卷期：2011年83-9] The synthesis of substituted 2-bromopyridine aldehydes as intermediates in our planned approach to toddaquinoline, its derivatives and other natural products is reported. The DMF-formylation method of pyridine ring, the ... CHEMISTRY OF NITROENAMINES. PART 2. SYNTHESIS OF SATURATED PYRROLO-PYRIMIDINES AND -PYRAZINES [作者：SCHEIBER PAL; TOTH GABOR; PILIPECZ MIHALY V; VARGA TAMAS R; NEMES PETER,期刊：Heterocycles, 页码：2001-2010 , 文章类型： Article，,卷期：2011年83-9] New saturated pyrrolo-pyrimidines and pyrrolo-pyrazines were synthesized from 2-nitromethylene-pyrrolidine. Additionally, some simple aminomethylated derivatives of Mannich type were prepared. The nitro compounds were re... READY AVAILABLE CHIRAL AZAPYRIDINOMACROCYCLES N-OXIDES; FIRST RESULTS AS LEWIS BASE CATALYSTS IN ASYMMETRIC ALLYLATION OF p-NITROBENZALDEHYDE [作者：VEITIA MAITE SYLLAIYARRETA; JOUDAT MOUNIA; WAGNER MATHIEU; FALGUIERES ANNIE; GUY ALAIN; FERROUD CLOTILDE,期刊：Heterocycles, 页码：2011-2039 , 文章类型： Article，,卷期：2011年83-9] We report here the straightforward synthesis of the first series of enantiomerically pure azapyridinomacrocycles N-oxides containing a cyclohexyl chiral moiety. These compounds were readily obtained in good overall yield... SYNTHESIS OF IMIDAZOLE C(1)- AND C(3)-RIBONUCLEOSIDE PHOSPHORAMIDITES FOR PROBING CATALYTIC MECHANISM IN RIBOZYME [作者：HARUSAWA SHINYA; FUJII KENSUKE; NISHIURA MASAYOSHI; ARAKI LISA; USAMI YOSHIHIDE; ZHAO ZHENGYUN; LILLEY DAVID M J,期刊：Heterocycles, 页码：2041-2055 , 文章类型： Article，,卷期：2011年83-9] Synthesis of C4-linked imidazole N-pivaloyloxymethyl (P0M)-2'-O-cyanoethylated (CE) C(1)- and C(3)-ribonucleoside phosphoramidites 1a and 1b is described. These phosphoramidite products were incorporated into RNA sequenc... A NOVEL SYNTHESIS OF 1-ARYL-1H-BENZOTRIAZOLES VIA OXIDATIVE C-H AMINATION [作者：ZHOU ZHOU; LIU QILUN; LI WEN; ZHU YONGMING,期刊：Heterocycles, 页码：2057-2065 , 文章类型： Article，,卷期：2011年83-9] A facile, novel and regiospecific protocol for the synthesis of 1-aryl-1H-benzotriazoles via oxidative C-H amination of corresponding 1,3-diaryltriazenes in DMF in the presence of K(2)CO(3) at moderate temperature was de... ONE-POT SYNTHESIS OF DIHYDROPYRIMIDIONES VIA ENVIRONMENTALLY FRIENDLY ENZYME-CATALYZED BIGINELLI REACTION [作者：LI WANMEI; ZHOU GUOBIN; ZHANG PENGFEI; LAI YIFENG; XU SHIFU,期刊：Heterocycles, 页码：2067-2077 , 文章类型： Article，,卷期：2011年83-9] A novel enzyme-catalyzed Biginelli reaction of acetoacetate, aromatic aldehyde and urea (thiourea) was described. Great acceleration of the one-pot multicomponent reaction was observed by the aid of enzymes. Various dihy... BIFLAVONOIDS FROM FLOWERS OF BUTEA MONOSPERMA (LAM.) TAUB. [作者：AHMED FAKHRUDDIN ALI; KIM SANGYONG; KURIMOTO SHINICHIRO; SASAKI HISAKO; SHIBATA HIROFUMI; KASHIWADA YOSHIKI; TAKAISHI YOSHIHISA,期刊：Heterocycles, 页码：2079-2089 , 文章类型： Article，,卷期：2011年83-9] A new aurone glucoside (1) and three new biflavonoids (12 - 14), together with fourteen known compounds, were isolated from the flowers of Butea monosperma (Lam.) Taub. The structures of the new compounds were establishe... POLYSUBSTITUTED FUSED RING BICYCLIC THIOHYDANTOINS FROM AMINOCARBO-N-THIOYLPYRROLIDINES DERIVED FROM AZOMETHINE YLIDE 1,3-DIPOLAR CYCLOADDITIONS [作者：NURAL YAHYA; DONDAS H ALI; GRIGG RONALD; SAHIN ERTAN,期刊：Heterocycles, 页码：2091-2114 , 文章类型： Article，,卷期：2011年83-9] Highly substituted bicyclic thiohydantoins fused to pyrrolidines were prepared from aminocarbo-N-thioylpyrrolidines derived from alpha-amino acid esters via imine azomethine ylide 1,3-dipolar cycloadditions and subsequen... SYNTHESIS AND PROPERTIES OF A NEW DONOR-ACCEPTOR DIAD COMPOSED OF DT-TTF AND DICYANOMETHYLIDENE GROUP [作者：NAKAMURA KENICHI; SHIRAHATA TAKASHI; MIYAMOTO HISAKAZU; MISAKI YOHJI,期刊：Heterocycles, 页码：2115-2126 , 文章类型： Article，,卷期：2011年83-9] Several derivatives of a new donor-acceptor diad 1 composed of DT-TTF and dicyanomethylidene group were synthesized. The IR spectra of 1 demonstrated considerable contribution of a polarized structure. Electronic spectra... SYNTHESIS OF 1,2,3,5-TETRAHYDRO-4,1-BENZOTHIAZEPINE-2-THIONE DERIVATIVES VIA CYCLIZATION OF 2-[(2-ISOTHIOCYANATOPHENYL)METHYLSULFANYL]ACETATES WITH SODIUM HYDRIDE [作者：KOBAYASHI KAZUHIRO; ENMI YOSHINORI; IITSUKA DAISUKE; KANBE YUUKI; KONISHI HISATOSHI,期刊：Heterocycles, 页码：2127-2135 , 文章类型： Article，,卷期：2011年83-9] A convenient method for the preparation of the title derivatives, 2-thioxo-1,2,3,5-tetrahydro-4,1-benzothiazepine-3-carboxylates and 2-alkylsulfany1-3,5-dihydro-4,1-benzothiazepine-3-carboxylates, has been developed. It ... ESTROGEN RECEPTOR alpha/beta LIGANDS DERIVED FROM THALIDOMIDE [作者：NOGUCHIYACHIDE TOMOMI; SUGITA KAZUYUKI; HASHIMOTO YUICHI,期刊：Heterocycles, 页码：2137-2147 , 文章类型： Article，,卷期：2011年83-9] We have developed a series of thalidomide-derived phthalimide-type estrogen receptor (ER) modulators with characteristic subtype (ER alpha/ER beta) selectivity, and investigated their structure-activity relationship for ... CYTOTOXIC EUNICELLIN-TYPE DITERPENES FROM THE SOFT CORAL LITOPHYTON VISCUDIUM [作者：IWAGAWA TETSUO; KUSATSU TAIKI; TSUHA KEIKO; HAMADA TOSHIYUKI; OKAMURA HIROAKI; FURUKAWA TATSUHIKO; AKIYAMA SHINICHI; DOE MATSUMI; MORIMOTO YOSHIKI; IWASE FUMIHITO; TAKEMURA KAORU,期刊：Heterocycles, 页码：2149-2155 , 文章类型： Article，,卷期：2011年83-9] Five new eunicellin-type diterpenes were isolated from the soft coral Litophyton viscudium. The structures of the compounds were elucidated mainly on the basis of extensive spectroscopic analysis. Compounds exhibited cyt... AROMATIC COMPOUNDS FROM CULTURED LICHEN MYCOBIONTS OF THREE GRAPHIS SPECIES [作者：TAKENAKA YUKIKO; HAMADA NOBUO; TANAHASHI TAKAO,期刊：Heterocycles, 页码：2157-2164 , 文章类型： Article，,卷期：2011年83-9] Spore-derived mycobionts of three lichen species, Graphis apriens, G. handelii and G. awaensis, were cultivated on a malt-yeast extract medium supplemented with 10% sucrose and their metabolites were investigated. Two ne...