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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13条记录   PHOTOINDUCED SELECTIVE TRANSFORMATION OF N-ACYL-alpha-DEHYDRO(9-PHENANTHRYL)ALANINAMIDES INTO THEIR CYCLIZATION INTERMEDIATES IN A POLAR PROTIC SOLVENT [作者：KAWANISHI YUKI; YOSHIIE HIROKO; IGARASHI TETSUTARO; SAKURAI TADAMITSU,期刊：Heterocycles, 页码：1053-1060 , 文章类型： Article，,卷期：2012年85-5] Irradiation of the title compounds [(Z)-1] in methanol afforded trans-3,8a-dihydro-2-dibenzo[f,h]quinolinone derivatives (trans-2) in preference to cis-2, all of which serve as precursors of the corresponding 3,4-dihydro... ENANTIOSELECTIVE SYNTHESIS OF epsilon-LACTONES BY LIPASE-CATALYZED RESOLUTION [作者：SHIMOTORI YASUTAKA; AOYAMA MASAKAZU; TSUKASA HIDETAKA; MIYAKOSHI TETSUO,期刊：Heterocycles, 页码：1061-1075 , 文章类型： Article，,卷期：2012年85-5] Synthesis of optically active e-dodecalactone (1) by lipase-catalyzed enantioselective acylation with racemic N-alkyl-6-hydroxydodecanamide (rac-2) as a substrate was attempted. Lipase PS-catalyzed acetylation using rac-... SYNTHESIS OF FLUORENE- AND SPIROBIFLUORENE-FUSED THIOPHENES [作者：YAO WEN; LIU QIANCAI; SHI YINGBO; TANG JIE,期刊：Heterocycles, 页码：1077-1088 , 文章类型： Article，,卷期：2012年85-5] A novel synthetic route to fluorene- and spirobifluorene-fused thiophenes is explored by starting with ninhydrin. The Die Is-Alder cycloaddition was employed to construct the key intermediate, 2,3-bis(hydroxymethyl)-1,4-... SYNTHESES OF 5-AMINO-2-PHENYL-4(3H)-PYRIMIDINONE DERIVERTIVES STARTING WITH GLYCINE [作者：TAKAHASHI DAISUKE; HONDA YUTAKA; IZAWA KUNISUKE,期刊：Heterocycles, 页码：1089-1103 , 文章类型： Article，,卷期：2012年85-5] N-Cbz derivative of 5-amino-2-phenyl-4(3H)-pyrimidinone was prepared from sodium salt of methyl hydroxymethylene glycinate and benzamidine hydrochloride in good yield. However, the reaction with N-substituted benzamidine... NOVEL SYNTHESIS OF CARBOCYCLIC OXETANOCIN ANALOGS (2-ALKOXY-C.OXT-A) AND THEIR TUBE FORMATION ACTIVITIES OF HUMAN UMBILICAL VEIN ENDOTHELIAL CELLS (HUVEC) [作者：SAKAKIBARA NORIKAZU; TSUKAMOTO IKUKO; TSURUTA TAKASHI; TAKATA MAKI; KONISHI RYOJI; MARUYAMA TOKUMI,期刊：Heterocycles, 页码：1105-1116 , 文章类型： Article，,卷期：2012年85-5] We succeeded in the effective synthesis of five types of 2-alkoxy-C.OXT-A analogs (9, 10a-d) by applying the de novo synthesis of 2-alkoxyadenosine derivatives (2), which was developed in our laboratory. For these synthe... SYNTHESIS AND BIOLOGICAL EVALUATION OF OLEANOLIC ACID DERIVATIVES AS NOVEL INHIBITORS OF PROTEIN TYROSINE PHOSPHATASE 1B [作者：LI HUI; ZOU HUI; GAO LIXIN; LIU TING; YANG FAN; LJ JINGYA; LI JIA; QIU WENWEI; TANG JIE,期刊：Heterocycles, 页码：1117-1139 , 文章类型： Article，,卷期：2012年85-5] A series of oleanolic acid (OA) derivatives have been synthesized and their inhibitory effects on PTP1B, TCPTP and related PTPs are evaluated. Some compounds with five-membered heterocyclic ring-fused at C-2, C-3 positio... SYNTHESIS, CHARACTERIZATION AND EVALUATION OF ANTIMICROBIAL ACTIVITY OF SOME NOVEL 1,2,4-TRIAZOLES AND 1,3,4-THIADIAZOLES BEARING IMIDAZOLE NUCLUES [作者：AOUAD MOHAMED REDA; REZKI NADJET; KASMI MOHAMED; AOUAD LINDA; REZKI MERIEME A,期刊：Heterocycles, 页码：1141-1154 , 文章类型： Article，,卷期：2012年85-5] A series of N-1-[(4,5-di and 1,4,5-triphenylimidazol-2-yl)thioacetyl]-N-4-alkyl/aryl-thiosemicarbazides 3-7 were synthesized from (4,5-di and 3,4,5-triphenylimidazol-2-yl)thioacetic acid hydrazide 1, 2. The treatment of ... A NOVEL AND HIGHLY EFFICIENT PROTOCOL FOR THE SYNTHESIS OF CHALCONE BASED 1,2-DIAZEPINE AND 1,2-OXAZEPINE DERIVATIVES [作者：BABU B VENKATA; AHMED NASEEM,期刊：Heterocycles, 页码：1155-1177 , 文章类型： Article，,卷期：2012年85-5] A novel and highly efficient protocol is described for the synthesis of chalcone based 1,2-diazepine and I,2-oxazepine derivatives. Under neat condition, the mixing and grinding of 1,5-diketones and hydrazine gave the cy... NEW SYNTHESIS OF PYRVINIUM THAT INHIBITS THE beta-CATENIN/TCF4 PATHWAY [作者：MAO YONGJUN; LIN NAN; TIAN WANG; HUANG ZIWEI; AN JING,期刊：Heterocycles, 页码：1179-1185 , 文章类型： Article，,卷期：2012年85-5] A new and converged route is described for synthesis of pyrvinium, an anthelmintic and antitumor agent. This method uses easily obtained materials and simple and practical reactions, including the key Friedlander condens... FACILE SYNTHESIS OF 2,3-DISUBSTITUTED PYRROLES FROM 2-SUBSTITUTED 1-PYRROLINES [作者：FUJIWARA YURIE; ODA MITSUNORI; SHOJI TAKU; ABE TAKAKO; KURODA SHIGEYASU,期刊：Heterocycles, 页码：1187-1195 , 文章类型： Article，,卷期：2012年85-5] 2-Substituted-1-pyrrolines react with various arylaldehyde acetals in the presence of a Lewis acid and base to give 2-substituted 3-arylmethylidene-1-pyrrolines, which are transformed to 2,3-disubstituted pyrroles by bas... SYNTHESIS OF NITROGEN-CONTAINING HETEROCYCLES USING CONJUGATE ADDITION REACTIONS OF NUCLEOPHILES TO alpha,beta-UNSATURATED IMINES [作者：HACHIYA IWAO; MIZOTA ISAO; SHIMIZU MAKOTO,期刊：Heterocycles, 页码：993-1016 , 文章类型： Article，,卷期：2012年85-5] Synthetic methods for the synthesis of nitrogen-containing heterocycles are of utmost interest and importance because these structures are the key components of natural and unnatural biologically active compounds and fun... RHODIUM-CATALYZED [2+2+2] CYCLOADDITION FOR THE SYNTHESIS OF SUBSTITUTED PYRIDINES, PYRIDONES, AND THIOPYRANIMINES [作者：TANAKA KEN,期刊：Heterocycles, 页码：1017-1043 , 文章类型： Article，,卷期：2012年85-5] The transition-metal-catalyzed [2+2+2] cycloaddition of alkynes with nitriles is a useful and atom-economical method for the synthesis of substituted pyridines. The use of isocyanates and isothiocyanates in place of nitr... ONE STEP SYNTHESIS OF OPTICALLY ACTIVE DIAZABICYCLO[3.3.0]OCTANONES OR DIAZABICYCLO[4.3.0]NONANONES BY ASYMMETRIC CONJUGATE ADDITION OF CYCLIC HYDRAZINE [作者：SEKI CHIGUSA; HIRAMA MASAFUMI; SATO TAKESHI; TAKEDA SAYA; KOHARI YOSHIHITO; ISHIGAKI KAZUHIRO; OHUCHI MASAFUMI; YOKOI KIYOSHI; NAKANO HIROTO; UWAI KOJI; TAKANO NOBUHIRO; UMEMURA KAZUYUKI; MATSUYAMA HARUO,期刊：Heterocycles, 页码：1045-1052 , 文章类型： Article，,卷期：2012年85-5] Asymmetric conjugate addition-cyclization of lithium amide of 6-membered hydrazine 4, piperidazine, (or 5-membered hydrazine 6, pyrazolidine) to N-(E)-cinnamoyl-(1S)-2,10-camphorsultam (1S)-3 afforded beta-amino acid der...