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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14条记录   SYNTHESIS AND TUBERCULOSTATIC ACTIVITY OF NOVEL 1,2,4-TRIAZOLES OBTAINED FROM HETEROCYCLIC CARBOHYDRAZIDES [作者：GOBIS KATARZYNA; FOKS HENRYK; ZWOLSKA ZOFIA; AUGUSTYNOWICZKOPEC EWA,期刊：Heterocycles, 页码：917-934 , 文章类型： Article，,卷期：2010年81-4] The novel 1,2,4-triazole derivatives have been synthesized by a few different pathways. Heterocyclic carbohydrazides were used to obtain monoesters of hydrazine acids (1-6), thiosemicarbazide derivatives (7-17), and fina... A HIGHLY EFFECTIVE ONE-POT SYNTHESIS OF QUINOLINES FROM 2-ALKYNYLNITROBENZENES [作者：OKUMA KENTARO; OZAKI SAORI; SETO JUNICHI; NAGAHORA NORIYOSHI; SHIOJI KOSEI,期刊：Heterocycles, 页码：935-942 , 文章类型： Article，,卷期：2010年81-4] A highly effective one-pot synthesis of poly-substituted quinolines from 2-alkynylnitrobenzenes using inexpensive reagents has been developed. Reaction of 2-alkynylnitrobenzenes with Sn/HCl in EtOH resulted in the format... NEW CYANOGLYCOSIDES, HYDRACYANOSIDES D, E, AND F, FROM THE LEAVES OF HYDRANGEA MACROPHYLLA [作者：WANG ZHIBIN; NAKAMURA SEIKOU; MATSUDA HISASHI; WU LIJUN; YOSHIKAWA MASAYUKI,期刊：Heterocycles, 页码：909-916 , 文章类型： Article，,卷期：2010年81-4] Three new cyanoglycosides named hydracyanosides D (1), E (2), and F (3) were isolated from the leaves of Hydrangea macrophylla cultivated in China together with 17 known constituents including hydracyanoside A (4). Their... THE SYNTHESIS OF SOME BENZIMIDAZOLIUM SALTS AND USE AS CARBENE PRECURSORS IN THE HECK AND SUZUKI REACTIONS [作者：YIGIT BEYHAN; YIGIT MURAT; OZDEMIR ISMAIL; CETINKAYA ENGIN,期刊：Heterocycles, 页码：943-953 , 文章类型： Article，,卷期：2010年81-4] Novel 1-(2-diisopropylaminoethyl)-3-alkylbenzimidazolium salts as N-heterocyclic carbene precursors 2a-g were prepared by quarternazition of 1-(2-diisopropylaminoethyl)benzimidazoles in DMF with alkyl halides. The salts ... A SHORT AND CONVENIENT SYNTHESIS OF NOVEL THIENOPYRAZOLODIAZEPINE AND THIENOPYRAZOLOXAZEPINE SKELETONS VIA NITRILIMINE CYCLOADDITION [作者：MOLTENI GIORGIO; DEL BUTTERO PAOLA,期刊：Heterocycles, 页码：955-964 , 文章类型： Article，,卷期：2010年81-4] Silver carbonate treatment of 3-thenyl-substituted hydrazonoyl chloride (3) promoted the in situ generation of the corresponding nitrilimine (4) which constitute the key intermediate in the three step synthesis of both t... DDQ-MEDIATED TANDEM SYNTHESIS OF FUNCTIONALIZED PYRANOCOUMARINS FROM 4-HYDROXYCOUMARINS AND 1,3-DIARYLALLYLIC COMPOUNDS [作者：HE ZHENXING; LIN XUFENG; ZHU YUANXUN; WANG YANGUANG,期刊：Heterocycles, 页码：965-976 , 文章类型： Article，,卷期：2010年81-4] A simple and efficient DDQ-mediated oxidative cross-coupling between 4-hydroxycoumarin and 1,3-diarylallylic compounds was developed. The reaction furnished functionalized pyranocoumarins in a single step without using a... A NOVEL APPROACH TO DIINDENOCARBAZOLES VIA PALLADIUM-CATALYZED INTRAMOLECULAR ARYLATION [作者：RONG LINGLING; LIU QIANCAI; TANG JIE; CHI ZHENGUO,期刊：Heterocycles, 页码：977-984 , 文章类型： Article，,卷期：2010年81-4] The diindenocarbazole derivatives are synthesized by the reaction of 2,7-dibromo-9-hexylcarbazole with benzoyl chloride under Friedel-Crafts conditions, followed by Wolff-Kishner-Huang reduction to produce 3,6-dibenzyl-2... PEPTIDE MASS SPECTROMETRY BY IONIC PROBE ATTACHMENT IONIZATION USING NHS-TMPYBOX AND MAL-TMPYBOX [作者：ITO FUMIHIRO; YAMAGUCHI KENTARO,期刊：Heterocycles, 页码：985-990 , 文章类型： Article，,卷期：2010年81-4] The application of a new ionization method that uses metal-complex-based ionization probes containing the 2,6-bis(oxazolinyl)pyridine (pybox) ligand for bioactive peptides is presented. Bradykinin, angiotensin-I, angiote... 12-epi-FRAGILIDE G, A NEW BRIARANE-TYPE DITERPENOID FROM THE GORGONIAN CORAL ELLISELLA ROBUSTA [作者：CHANG YUCHIA; HWANG TSONGLONG; HUANG SHENGKAI; HUANG LIWAN; LIN MEIRU; SUNG PINGJYUN,期刊：Heterocycles, 页码：991-996 , 文章类型： Article，,卷期：2010年81-4] A new chlorinated briarane-type diterpenoid, 12-epi-fragilide G (I), was isolated from the gorgonian coral Ellisella robusta. The structure of 1 was elucidated by the interpretations of spectral data analysis and this co... PHOTOINDUCED ELECTRON TRANSFER-INITIATED SELECTIVE CYCLIZATION REACTIONS OF (Z)-N-BENZOYL-alpha-DEHYDRO(1-NAPHTHYL)ALANINAMIDES INTO 4,5-DIHYDROOXAZOLE DERIVATIVES [作者：SATO YUHKI; YOSHIDA ATSUHIKO; IGARASHI TETSUTARO; SAKURAI TADAMITSU,期刊：Heterocycles, 页码：997-1006 , 文章类型： Article，,卷期：2010年81-4] An investigation was undertaken to gain understanding of substituent and solvent effects on the photoreactivity of the title 1-naphthylalanine N',N'-disubstituted amides [(Z)-1] and the (Z)-1-derived product composition.... RECENT DEVELOPMENT IN PALLADIUM-MEDIATED SYNTHESIS OF NITROGEN HETEROCYCLES [作者：MAJUMDAR KRISHNA C; CHATTOPADHYAY BUDDHADEB; MAJI PRADIP K; CHATTOPADHYAY SUDIP K; SAMANTA SRIKANTA,期刊：Heterocycles, 页码：795-866 , 文章类型： Review，,卷期：2010年81-4] This review describes the synthesis of nitrogen heterocycles by palladium-mediated cyclization. This report covers literature published during 2003 to 2007. GYMNASTATINS I-K, CANCER CELL GROWTH INHIBITORS FROM A SPONGE-DERIVED GYMNASCELLA DANKALIENSIS [作者：AMAGATA TARO; TAKIGAWA KEIKO; MINOURA KATSUHIKO; NUMATA ATSUSHI,期刊：Heterocycles, 页码：897-907 , 文章类型： Article，,卷期：2010年81-4] The Halichondria sponge-derived fungus, Gymnascella dankaliensis, was cultured in a malt extract medium containing the bromine source. Three new metabolites, gymnastatins I (5)-K (7), have been isolated from the mycelial... SYNTHESIS OF BIS-ARYL PHOSPHATES BASED ON TRIAZINE SCAFFOLD [作者：COURME CAROLINE; GRESH NOHAD; LENOIR CHRISTINE; VIDAL MICHEL; GARBAY CHRISTIANE; FLORENT JEANCLAUDE; BERTOUNESQUE EMMANUEL,期刊：Heterocycles, 页码：867-882 , 文章类型： Article，,卷期：2010年81-4] In view of targeting the Grb2-SH2 signaling protein, the synthesis of potential ligands based on the 1,3,5-triazine scaffold bearing two phenylphosphate groups is described. The triazine functionality was introduced usin... N-PROTECTED N-2-ETHOXYMETHYLENE PHENYLGLYCINE HYDRAZIDES AS PRECURSORS OF 1,3,4-OXADIAZOLE DERIVATIVES [作者：KUDELKO AGNIESZKA; ZIELINSKI WOJCIECH,期刊：Heterocycles, 页码：883-896 , 文章类型： Article，,卷期：2010年81-4] New derivatives of N-2-ethoxymethylene phenylglycine hydrazide protected at the amino group by acetyl and tert-butoxycarbonyl were synthesized with reactions of N-protected phenylglycine hydrazides and triethyl orthoeste...