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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   SYNTHETIC STUDIES ON NATURAL PTERIN GLYCOSIDES [作者：HANAYA TADASHI; YAMAMOTO HIROSHI,期刊：Heterocycles, 页码：2375-+ , 文章类型： Review，,卷期：2012年85-10] Some pterins having various kind of sugars attached to the hydroxyalkyl side-chain at C-6 are known to occur in certain prokaryotes as exemplified by 2'-O-(alpha-D-glucopyranosyl)biopterin isolated from various kinds of ... BIOLOGICAL EVALUATION OF PYRIMIDOPYRIMIDINES AS MULTI-TARGETED SMALL MOLECULE INHIBITORS AND RESISTANCE MODIFYING AGENTS [作者：ABDELRAHMAN REDA; ELMANDY KAMELIA,期刊：Heterocycles, 页码：2391-+ , 文章类型： Review，,卷期：2012年85-10] This review provides detailed methods for the synthesis of pyrimidopyrimidine derivatives and their biological properties as uptake inhibitors. The main accent was put on the important findings in pyrimidopyrimidine chem... RUTHENIUM PORPHYRIN CATALYZED FRIEDEL-CRAFTS TYPE REACTION OF ARENES WITH IMINES [作者：TERADA TAKUMA; KURAHASHI TAKUYA; MATSUBARA SEIJIRO,期刊：Heterocycles, 页码：2415-+ , 文章类型： Article，,卷期：2012年85-10] Cationic ruthenium porphyrin complex was found to be an efficient catalyst for the Friedel-Crafts type reaction of arenes with imines. The use of a structurally rigid tetradentate porphyrin as the equatorial ligand and w... NOVEL HETEROCYCLIC DERTVATIVES OF 2-QUINOLINONE ASSOCIATED WITH ANTIBACTERIAL AND ANTITUMOR POTENCIES [作者：HASSANIN HANY M; ELEDFAWY SOMAYA M,期刊：Heterocycles, 页码：2421-+ , 文章类型： Article，,卷期：2012年85-10] 3-(2,2-Dichloroacetyl)-4-hydroxy-1-methylquinolin-2(1H)-one (2) was utilized to obtain several new quinolinones bearing imidazole, quinoxaline, 1,2,4-triazine, pyridotriazine and triazolotriazine heterocycles as substitu... SUZUKI-MIYAURA COUPLING REACTIONS OF 3,5-DICHLORO-1,2,4-THIADIAZOLE [作者：FARAHAT ABDELBASSET A; BOYKIN DAVID W,期刊：Heterocycles, 页码：2437-+ , 文章类型： Article，,卷期：2012年85-10] 3,5-Dichloro-1,2,4-thiadiazole was allowed to react with different arylboronic acids under different Suzuki-Miyaura coupling conditions: at room temperature 5-aryl-3-chloro-1,2,4-thiadiazoles were obtained and at toluene... SYNTHESIS, REACTIONS, AND REARRANGEMENTS OF 2,4-DIAZABICYCLO[3.1.0]HEXAN-3-ONES [作者：QUAST HELMUT; STAWITZ JOSEF WALTER; MUELLER BODO,期刊：Heterocycles, 页码：2449-+ , 文章类型： Article，,卷期：2012年85-10] Copper-mediated cyclopropanation of 1,3-dialkyl-1,3-dihydroimidazol-2-ones with diazomethane and methyl diazoacetate yields 2,4-diazabicyclo[3.1.0]hexan-3-ones and the first diaza[4.3.1]propellane. The bicyclic system su... CYTOTOXIC ALCYONOLIDE CONGENERS FROM AN OKINAWAN SOFT CORAL CESPITULARIA SP. [作者：ROY PRODIP KUMAR; MAARISIT WILMAR; ROY SONA RANI; TAIRA JUNSEI; UEDA KATSUHIRO,期刊：Heterocycles, 页码：2465-+ , 文章类型： Article，,卷期：2012年85-10] Four new alcyonolide congeners (1-4) were isolated from a soft coral Cespitularia sp. together with the known alcyonolide (5). Their structures were determined by spectroscopic and chemical analyses. Compounds 1-5 showed... SYNTHESIS OF 2-AND 6-(DIALKYLAMINOALKYLTHIO)- AND 2,6-BIS(DIALKYLAMINOALKYLTHIO)-7-METHYLPURINES [作者：KOWALSKA ALICJA; PLUTA KRYSTIAN,期刊：Heterocycles, 页码：2473-+ , 文章类型： Article，,卷期：2012年85-10] An efficient synthesis of 21 new thiopurines being 2-substituted 6-(dialkylaminoalkylthio)-7-methylpurines, 6-substituted 2-(dialkylaminoalkylthio)-7-methylpurines, and 2,6-bis(dialkylaminoalkylthio)-7-methylpurines was ... TWO NEW CHROMANONE DERIVATIVES FROM THE ROOTS AND STEMS OF NICOTIANA TABACUM AND THEIR CYTOTOXICITY [作者：MOU DINGRONG; ZHAO WEI; ZHANG TAO; WAN LAN; YANG GUANGYU; CHEN YONGKUAN; HU QIUFEN; MIAO MINGMING,期刊：Heterocycles, 页码：2485-+ , 文章类型： Article，,卷期：2012年85-10] Two new chromanone derivatives, tabchromones A and B (1-2), together with four known compunds (3-6) were isolated from the roots and stems of Nicotiana tabacum. Their structures were elucidated by spectroscopic methods, ... SYNTHESIS OF DIHYDRODIBENZO[b,f]FURO[2,3-d]OXEPINS AND RELATED REACTIONS [作者：MAEMURA YASUNOBU; TANOUE YUKA; NISHINO HIROSHI,期刊：Heterocycles, 页码：2491-+ , 文章类型： Article，,卷期：2012年85-10] Nine dihydrodibenzo[bf]furo[2,3-d]oxepin derivatives were synthesized by the Mn(III)-based oxidative addition of dibenz[bf]oxepins at C10-C11 with acetic anhydride, acetylacetone, dialkyl malonates, and malonamide. Oxida... COMPETITIVE CONDENSATION AND TANDEM CYCLIZATION REACTIONS OF 2-CYANO-3-FERROCENYLACRYLONITRILE WITH AMIDINES IN AN AQUEOUS MEDIUM [作者：KLIMOVA ELENA I; FLORESALAMO MARCOS; MENDEZ STIVALET JOSE M; KLIMOVA TATIANA,期刊：Heterocycles, 页码：2505-+ , 文章类型： Article，,卷期：2012年85-10] The synthesis of a series of ferrocenyl-substituted 2-aminopyridine- and 6-amino-4,5-dihydropyridine-3,5-dicarbonitriles, 4-aminopyrimidine- and 3,4-dihydropyrimidine-5-carbonitriles by reactions of 2-cyano-3-ferrocenyla... SYNTHESIS OF NOVEL TRICHLOROMETHYL SUBSTITUTED AZOLO[1,3,5]TRIAZINES [作者：KALININ DMITRII V; KALININA SVETLANA A; DOLZHENKO ANTON V,期刊：Heterocycles, 页码：2515-+ , 文章类型： Article，,卷期：2012年85-10] The triazine ring bearing a trichloromethyl group was annelated to various aminoazoles using a new effective synthetic procedure. The method of preparation involved initial formation of trichloroacetamidines in the react... SYNTHESIS OF 3-SUBSTITUTED 4-ALKOXYISOQUINOLIN-1-AMINES BY THE REACTION OF 2-[ALKOXY(LITHIO)METHYL]BENZONITRILES WITH NITRILES [作者：KOBAYASHI KAZUHIRO; MATSUMOTO KOTA; EZAKI KOSUKE,期刊：Heterocycles, 页码：2523-+ , 文章类型： Article，,卷期：2012年85-10] It has been found that the reaction of 2-[alkoxy(lithio)methyl]benzonitriles, generated in situ from 2-(alkoxymethyl)benzonitriles and two equivalents of lithium diisopropylamide in diglyme at -78 degrees C, with aliphat... ONE-POT SYNTHESIS OF MACROCYCLIC TETRALACTONES VIA THE SEQUENTIAL INTER- AND INTRAMOLECULAR [2+2] PHOTOCYCLOADDITION REACTIONS OF DI-2-PYRONES WITH POLYETYLENE GLYCOL DIMETHACRYLATES [作者：SHIMO TETSURO; MATSUKUBO HIDEKI; ZHANG HUI MIN,期刊：Heterocycles, 页码：2531-+ , 文章类型： Article，,卷期：2012年85-10] The sensitized photocycloaddition reactions of 6,6'-dimethyl-4,4'[1,7-(1,4,7-trioxaheptyl)]-di-2-pyrone (1a) and 6,6 '-dimethyl-4,4 '-[1,10-(1,4, 7,10-tetraoxadecyl)]-di-2-pyrone (1b) with polyethylene glycol dimethacryl... STEREOSPECIFIC SYNTHESIS OF trans-1,4-DIPHOSPHACYCLOHEXANES [作者：MORISAKI YASUHIRO; IMOTO HIROAKI; KATO RYOSUKE; OUCHI YUKO; CHUJO YOSHIKI,期刊：Heterocycles, 页码：2543-+ , 文章类型： Article，,卷期：2012年85-10] Stereospecific synthesis of trans-1,4-diphosphacyclohexanes via intramolecular oxidative coupling of P-stereogenic bisphosphine borane complexes is reported. Regardless of the enantiopurity of the starting materials, onl... CYTOTOXIC EUNICELLIN-TYPE DITERPENES FROM THE SOFT CORAL LIOPHYTON VISCUDIUM (vol 83, pg 2149, 2011) [作者：IWAGAWA TETSUO; KUSATSU DAIKI; TSUHA KEIKO; HAMADA TOSHIYUKI; OKAMURA HIROAKI; FURUKAWA TATSUHIKO; AKIYAMA SHINICHI; DOE MATSUMI; MORIMOTO YOSHIKI; IWASE FUMIHITO; TAKEMURA KAORU,期刊：Heterocycles, 页码：2615-2615 , 文章类型： Correction，,卷期：2012年85-10]