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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   SELENIUM-CONTAINING BICYCLIC beta-LACTAMS [作者：GARUD DINESH R; NINOMIYA MASAYUKI; KOKETSU MAMORU,期刊：Heterocycles, 页码：2439-2463 , 文章类型： Review，,卷期：2010年81-11] The first beta-lactam ring system was synthesized by H. Staudinger in 1907, but beta-lactams as a class of compounds became attractive only after it was established that penicillin contained a beta-lactam unit as the str... DESIGN AND SYNTHESIS OF NOVEL RETINOID SYNERGISTS HAVING A DIBENZODIAZEPINE SKELETON [作者：OHTA KIMINORI; KAWACHI EMIKO; SHUDO KOICHI; KAGECHIKA HIROYUKI,期刊：Heterocycles, 页码：2465-2470 , 文章类型： Article，,卷期：2010年81-11] Based on the structures of potent RXR agonists 2 and 3, novel dibenzodiazepine derivatives 4 - 6, containing two diphenylamine substructures, were designed as RXR modulator candidates and synthesized by utilizing Pd-cata... NOVEL APPLICATION OF ELECTROOXIDATIVE METHOD FOR THE CYCLIZATION OF N-BENZYL-2-(HYDROXYMETHYL)- AND N-BENZYL-2-(2-HYDROXYETHYL)PIPERIDINES [作者：OKIMOTO MITSUHIRO; YOSHIDA TAKASHI; HOSHI MASAYUKI; OHASHI KOUSUKE,期刊：Heterocycles, 页码：2471-2478 , 文章类型： Article，,卷期：2010年81-11] Several novel 1,3-oxazinane and oxazolidine derivatives were obtained from the corresponding N-benzyl-2-(2-hydroxyethyl)- and N-benzyl-2-(hydroxymethyl)piperidines via electrochemical oxidation. The reactions were carrie... COMPUTATIONAL STUDY ON THE CYCLOPROPANATION REACTION OF YLIDES GENERATED FROM alpha-PYRIDINIUMACETATES [作者：MATSUMURA SHUJI; TAKAGI RYUKICHI; KOJIMA SATOSHI; OHKATA KATSUO; ABE MANABU,期刊：Heterocycles, 页码：2479-2495 , 文章类型： Article，,卷期：2010年81-11] Ab initio MO calculations were performed on the cyclopropanation reaction of methylidenemalononitriles with the ylide generated from alpha-pyridiniumacetates. The calculations indicated that the rate-determining step was... UNIQUE PHENYL ETHER TYPE BIFLAVONOIDS, ZIZYFLAVOSIDES A AND B WITH BIOMIMETIC SYNTHESIS FOR ZIZYFLAVOSIDE A [作者：MOSTAFA MAHMOUD; TAKANO FUMIHIDE; OHTA TOMIHISA,期刊：Heterocycles, 页码：2497-2509 , 文章类型： Article，,卷期：2010年81-11] During our investigation of Zizyphus spina-christi (L.) Willd. leaves for anti-inflammatory activity, eight compounds were characterized. Two are new phenyl ether type biflavonoids, which were assigned as zizyflavosides ... AKYLATIONS OF 10H-2,7-DIAZAPHENOTHIAZINE TO ALKYL-2,7-DIAZAPHENOTHIAZINIUM SALTS AND 7-ALKYL-2,7-DIAZAPHENOTHIAZINES [作者：MORAKMLODAWSKA BEATA; PLUTA KRYSTIAN; SUWINSKA KINGA; JELEN MALGORZATA,期刊：Heterocycles, 页码：2511-2522 , 文章类型： Article，,卷期：2010年81-11] Alkylations of 10H-2,7-diazaphenothiazine (1) with alkyl halides led to different products depending on the reaction conditions: 10-methyl derivative (2), 2,10-dimethyl-2,7-diazaphenothiazinium and 7,10-dimethyl-2,7-diaz... FORMAL TOTAL SYNTHESIS OF ENANTIOPURE TRICYCLIC (S)-MYRMICARIN ALKALOIDS 217, 215A AND 215B [作者：SANTAREM MARCO; VANUCCIBACQUE CORINNE; LHOMMET GERARD,期刊：Heterocycles, 页码：2523-2537 , 文章类型： Article，,卷期：2010年81-11] We described herein a formal synthesis of the enantiopure tricyclic (4aS)-myrmicarin alkaloids 217, 215A and 215B owing to the obtention of a common pyrroloindolizidine intermediate, starting from a chiral cis-(2S,5R)-di... MILD OXIDATION OF ALCOHOLS USING SOLUBLE POLYMER-SUPPORTED TEMPO IN COMBINATION WITH OXONE: EFFECT OF A BASIC MATRIX OF TEMPO DERIVATIVES [作者：MATSUMOTO KAZUTSUGU; IWATA TOSHIAKI; SUENAGA MASAHIRO; OKUDOMI MASAYUKI; NOGAWA MASAKI; NAKANO MARIKO; SUGAHARA AI; BANNAI YUTA; BABA KENJI,期刊：Heterocycles, 页码：2539-2553 , 文章类型： Article，,卷期：2010年81-11] The highly efficient and mild oxidation of alcohols using new soluble polymer-supported TEMPO derivatives in combination with Oxone is disclosed. Two types of the PEG-supported TEMPO derivative were easily synthesized by... SYNTHESIS OF 1-AZAXANTHONES AND 1-AZATHIOXANTHONES BY Yb(OTf)(3)/TfOH CO-CATALYZED INTRAMOLECULAR FRIEDEL-CRAFTS REACTION [作者：LI JIE; JIN CAN; SU WEIKE,期刊：Heterocycles, 页码：2555-2567 , 文章类型： Article，,卷期：2010年81-11] Intramolecular Friedel-Crafts cyclization of phenoxypyridine acids (3a-3j) and phenythiopyridine acids (4a-4i) to form 1-azaxanthones (1a-1j) and 1-azathioxanthones (2a-2i), respectively, was efficiently promoted by Yb(O... CONVERTIBLE FORMATION OF DIFFERENT GLYCOSIDE USING MOLECULAR IODINE [作者：SAEENG RUNGNAPHA; SIRION UTHAIWAN; SIRICHAN YADA; TRAKULSUJARITCHOK THANIDA; SAHAKITPICHAN POOLSAK,期刊：Heterocycles, 页码：2569-2580 , 文章类型： Article，,卷期：2010年81-11] The observation of convertible formation between 2-deoxy-2-iodo-O-glycosides and 2,3-unsaturated glycoside was described. The selective formation of 2-deoxy-2-iodo-O-glycosides was found from the reaction of D-glucal wit... TOTAL SYNTHESIS OF (S)-(-)-STEPHOLIDINE USING (S)-TERT-BUTANESULFINYLIMINE [作者：CHENG JIANJUN; FU LIQIANG; LING CHENYU; YANG YUSHE,期刊：Heterocycles, 页码：2581-2592 , 文章类型： Article，,卷期：2010年81-11] A new synthetic strategy of (S)-()-stepholidine, a promising antipsychotic drug candidate, is described. Nucleophilic addition of a laterally lithiated nitrile to a (5)-tert-butanesulfinylimine was used as the key step, ... TOTAL SYNTHESIS OF (+/-)-SCUTEFLORIN A [作者：TAN FANG; SHEN LIULAN; KWAK YOUNGSHIN; JEONG JINHYUN,期刊：Heterocycles, 页码：2593-2598 , 文章类型： Article，,卷期：2010年81-11] A highly efficient synthesis was developed for the first total synthesis of scuteflorin A. (c) 2010 Elsevier Science. All rights reserved. SYNTHESIS OF READILY ACCESSIBLE BODIPY-BASED FLUORESCENCE DERIVATIZATION REAGENTS FOR AMINES [作者：SAITO RYOTA; ITO ERI,期刊：Heterocycles, 页码：2599-2608 , 文章类型： Article，,卷期：2010年81-11] Two BODIPY-based fluorescence derivatization reagents (FDRs) for amines were synthesized in a simple manner with practically acceptable yields via five steps. Both FDRs showed prompt reactivity, even against sterically h... REGIOSELECTIVITY IN DIRECT ARYLATION OF BENZANILIDE POSSESSING OXYGEN SUBSTITUENT IN THE BENZOYL PART USING PALLADIUM WITHOUT PHOSPHINE LIGAND [作者：HARAYAMA TAKASHI; NAGURA CHIE; MIYAGOE TAEKO; KAWATA YUKO; ABE HITOSHI; TAKEUCHI YASUO,期刊：Heterocycles, 页码：2609-2616 , 文章类型： Article，,卷期：2010年81-11] The direct arylation of benzanilide (1) possessing ether oxygen(s) in benzoyl part was examined under phosphine ligand-free conditions, which afforded ortho-product (2) and para-product (3) in very similar ratio to prese... SYNTHESIS OF 5,7-DIBROMOTROPONO[c]PYRAZOLE DERIVATIVES [作者：LI YANG; GAO WENTAO,期刊：Heterocycles, 页码：2617-2623 , 文章类型： Article，,卷期：2010年81-11] A facile synthesis of some novel 5,7-dibromotropono[c]pyrazole derivatives via the condensation reaction of 3-acetyl-5,7-dibromotropolone with aromatic hydrazines is described. All the synthesized compounds were obtained... THE REACTION OF [(1-AZAAZULEN-2-YL)IMINO]PHOSPHORANE WITH ARYLALDEHYDES: FORMATION OF BIS[(1-AZAAZULEN-2-YL)AMINO]ARYLMETHANES [作者：FUJII HIROYUKI; NAGAMATSU KENTARO; GUNJI TAKAHIRO; MURAFUJI TOSHIHIRO; ABE NORITAKA,期刊：Heterocycles, 页码：2625-2633 , 文章类型： Article，,卷期：2010年81-11] Reaction of [(3-ethoxycarbonyl-1-azaazulen-2-yl)imino]triphenylphosphorane with arylaldehydes gave bis[(3-ethoxycarbonyl-1-azaazulen-2-yl)-amino]arylmethanes via corresponding azaazulenylimine intermediacy.