个性化文献订阅>文章检索

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12条记录   SYNTHETIC UTILITIES OF O-PHENYLENEDIAMINES: SYNTHETIC APPROACHES FOR BENZIMIDAZOLES, QUINOXALINES AND BENZO[1,5]DIAZEPINES [作者：IBRAHIM MAGDY AHMED,期刊：Heterocycles, 页码：2689-+ , 文章类型： Review，,卷期：2011年83-12] This review represents the methods developed for the synthesis of benzimidazoles, quinoxalines and benzo[1,5]diazepines from the condensation of o-phenylenediamines with a variety of electrophilic reagents. SYNTHETIC ACCESSES TO AZOLYLTHIAZOLES [作者：ABDELWAHAB BAKR F; MOHAMED HANAN A; FARAHAT ABDELBASSET A; DAWOOD KAMAL M,期刊：Heterocycles, 页码：2731-+ , 文章类型： Review，,卷期：2011年83-12] Published data over the last years on the methods of synthesis and biological applications of azolylthiazoles are reviewed here for the first time till 2011. The review was classified according to the type of azole ring ... INTRINSIC FLUORESCENCE OF 1,3-BENZOXAZINEPHANES [作者：QUEVEDO RODOLFO; SIERRA CESAR A,期刊：Heterocycles, 页码：2769-+ , 文章类型： Article，,卷期：2011年83-12] A new 1,3-benzoxazine nuclei-based fluorescent system is presented. The photophysical aspects are briefly discussed. The results suggested that the presence of oxazinic methylenes is necessary for fluorescence to be pres... EFFICIENT AND MILD PROCEDURE FOR THE DECARBOXYLATIVE CYANOMETHYL ESTERIFICATION OF ARYLMALONIC ACIDS USING ClCH(2)CN/1,8-DIAZABICYCLO[5A.0]UNDEC-7-ENE [作者：SASAKURA NIIHA; YAMAUCHI TOMOYUKI; NAKANO KEIJI; ICHIKAWA YOSHIYASU; KOTSUKI HIYOSHIZO,期刊：Heterocycles, 页码：2773-+ , 文章类型： Article，,卷期：2011年83-12] An efficient and mild procedure for the decarboxylative cyanomethyl esterification of arylmalonic acids has been developed. The reaction can be performed at room temperature by using chloroacetonitrile and 1,8-diazabicyc... ALTERNATIVE SYNTHESIS OF RADIOIODINATED TRISACCHARIDE DERIVATIVES, 2-(4-(125)IODOPHENY)ETHYL 2-ACETAMIDO-2-DEOXY-beta-D-GLUCOPYRANOSYL-(1 -> 2)-alpha-D-MANNOPYRANOSYL-(1 -> 6)-beta-D-GLUCOPYRANOSIDE, AND PREPARATION OF ITS ANALOGS HAVING DIFFERENT LENGTHS OF ALKYL CHAINS INSTEAD OF ETHYL GROUP: ACCEPTOR SUBSTRATES OF N-ACETYLGLUCOSAMINYLTRANSFERASE V FOR IN VIVO IMAGING [作者：ARIMITSU KENJI; KAJIMOTO TETSUYA; KIMURA HIROYUKI; ONO MASAHIRO; OZEKI MINORU; NODE MANABU; OHMOMO YOSHIRO; SAJI HIDEO; YAMASHITA MASAYUKI,期刊：Heterocycles, 页码：2779-+ , 文章类型： Article，,卷期：2011年83-12] A radioiodinated artificial substrate of N-acetylglucosaminyltransferase V (GnT-V), 2-(4-iodophenyl)ethyl 2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1 -> 2)-alpha-D-mannopyranosyl-(1 -> 6)-beta-D-glucopyranoside (([(125)... 7-O-METHYLATED ANTHOCYANIDIN GLYCOSIDES FROM THE REDDISH PURPLE FLOWERS OF CATHARANTHUS ROSEUS 'EQUATOR LAVENDER' [作者：TOKI KENJIRO; SAITO NORIO; KITAURA MIKA; TATSUZAWA FUMI; SHIGIHARA ATSUSHI; HONDA TOSHIO,期刊：Heterocycles, 页码：2803-+ , 文章类型： Article，,卷期：2011年83-12] Four new anthocyanins (pigments 1 - 4) were isolated from the reddish purple flowers of Catharanthus roseus 'Equator Lavender', and identified to be hirsutidin 3-O-[6-O-(alpha-rhamnopyranosyl)-beta-galactopyranoside]-5-O... ONE-STEP SYNTHESIS OF TETRAZOLO[1,5-a]PYRIMIDINES BY CYCLIZATION REACTION OF DIHYDROPYRIMIDINE-2-THIONES WITH SODIUM AZIDE [作者：WANG XICUN; WEI YING; DA YUXIA; ZHANG ZHANG; QUAN ZHENGJUN,期刊：Heterocycles, 页码：2811-+ , 文章类型： Article，,卷期：2011年83-12] An novel, versatile and cost-effective approach for tetrazolo[1,5-a]pyrimidines and tetrazolo[1,5-a]quinazolines from cyclization reaction of dihydropyrimidinethiones with sodium azide in the presence of mercuric acetate... DIHYDROAZAMACROSPHELIDES: SYNTHESIS AND APOPTOSIS INDUCING ACTIVITIES [作者：SUGIMOTO KENJI; KOBAYASHI YUTA; KONDO TAKASHI; TOYOOKA NAOKI; NEMOTO HIDEO; MATSUYA YUJI,期刊：Heterocycles, 页码：2823-+ , 文章类型： Article，,卷期：2011年83-12] Dihydroazamacrosphelides, which were aza-analogues of 3-epi macrosphelide L, were prepared according to ring-closing metathesis strategy. Their biological assay revealed that the oxidized diketo-analogues showed stronger... STUDIES ON THE SYNTHESIS OF NICOTINAMIDE NUCLEOSIDE AND NUCLEOTIDE ANALOGUES AND THEIR INHIBITIONS TOWARDS CD38 NADASE [作者：CHEN ZHE; KWONG ANNA KA YEE; YANG ZHENJUN; ZHANG LIANGREN; LEE HON CHEUNG; ZHANG LIHE,期刊：Heterocycles, 页码：2837-+ , 文章类型： Article，,卷期：2011年83-12] Nicotinamide adenine dinucleotide (NAD) analogues inhibit the NADase activity of CD38. In the current study, efficient protocols for the synthesis of substituted-nicotinamide nucleosides and nucleotides were developed. T... SYNTHESIS OF N-(3-CYANO-7-ETHOXY-1,4-DIHYDRO-4-OXOQUINOLIN-6-YL)ACETAMIDE [作者：ZHANG QIANG; MAO YONGJUN; LIU ZHENG; XIE KAI; ZHU YI; WEI YABING; JIANG XIANGRUI; SHEN JINGSHAN,期刊：Heterocycles, 页码：2851-+ , 文章类型： Article，,卷期：2011年83-12] New route for the preparation of N-(3-cyano-7-ethoxy-1,4dihydro-4-oxoquinolin-6-yl)acetamide (1), a key intermediate for the synthesis of selective EGFR kinase inhibitors, was described. TWO NEW FLAVONES FROM UVARIA MACROPHYLLA ROXB. VAR. MICROCARPA AND THEIR CYTOTOXIC ACTIVITIES [作者：CHEN ZHONG; LIU XUERUN; LIU YANLI; XU QIONGMING; YANG SHILIN,期刊：Heterocycles, 页码：2857-+ , 文章类型： Article，,卷期：2011年83-12] Two new flavones, macrophyllains A and B, were isolated from the leaves of Uvaria macrophylla Roxb. var. microcarpa, and their structures were established on the basis of their spectral data. The two new compounds showed... ONE-POT SYNTHESIS OF 2-NITROOXYALKOXYLATED INOSINE ANALOGS USING CYCLIC ETHER AND ISOAMYL NITRITE [作者：SAKAKIBARA NORIKAZU; KOMATSU MASAHIRO; MARUYAMA TOKUMI,期刊：Heterocycles, 页码：2865-+ , 文章类型： Article，,卷期：2011年83-12] An O(6)-methylguanosine derivative (1) was treated with isoamyl nitrite in the presence of a cyclic ether such as trimethylene oxide, tetrahydrofuran, or tetrahydropyran to give the corresponding 2-nitrooxyalkoxy-6-metho...