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13条记录   REACTION OF 1-ETHOXYISOINDOLE WITH MALEIMIDE AND ITS DERIVATIVES [作者：LEVKOV IGOR V; CASSEL STEPHANIE; VOITENKO ZOIA V; PALAMARCHUK GENNADY V; SHISHKIN OLEG V; SHISHKINA SVETLANA V; LATTES ARMAND; RICOLATTES ISABELLE,期刊：Heterocycles, 页码：1671-+ , 文章类型： Article，,卷期：2012年85-7] We have reported the possibility of conducting the Die Is-Alder [4+2]-cycloaddition reaction with isoindoles that exist predominantly in the isoindoline form, due to the Curtin-Hammet principle. Pursuing our research, we... SYNTHESIS AND COMPLEXATION OF BIS(1-AZAAZULEN-2-YL)AMINES AND BIS(1-AZAAZULEN-2-YL) SULFIDES [作者：YOSHIOKA EIKO; KOIZUMI KAZUYA; NAKASHIMA KENJI; FUJII HIROYUKI; MURAFUJI TOSHIHIRO; GUNJI TAKAHIRO; ABE NORITAKA,期刊：Heterocycles, 页码：1683-+ , 文章类型： Article，,卷期：2012年85-7] Complexation of bis(3-phenyl-1-azaazulen-2-yl)amine with Zn(OAc)(2) and Ni(OAc)(2) was investigated, and four-coordinate bis-chelate complexes, M(II) bis[(3-phenyl-1-azaazule-2-yl)(3-phenyl-1-azaazulen-2-ylidene)aminate]... DETERMINATION OF THE STEREOCHEMISTRY OF C-2 ' AND C-3 ' POSITIONS OF TAXINE NA-1 (2 '-HYDROXYTAXINE II) BY THE ASYMMETRIC SYNTHESIS OF THE REDUCTIVE DEGRADATION PRODUCT OF ITS SIDE CHAIN MOIETY [作者：TANG WANXIA; MINATO HIROSHI; ANDO MARIKO; ANDO MASAYOSHI,期刊：Heterocycles, 页码：1697-+ , 文章类型： Article，,卷期：2012年85-7] The reductive degradation of taxine NA-1 (2'-hydroxytaxine II) with n-Bu4NBH4 gave taxinine A and (-)-3-dimethylarnino-3-phenylpropane-1,2-diol (1) in addition to 11,12-dihydrotaxinine A. The relative stereochemistry of ... A FACILE SYNTHESIS OF 5,6-DIHYDRO-4H-PYRROLO[3,4-d]THIAZOLE AND OTHER PYRROLIDINE-FUSED AROMATIC RING SYSTEMS VIA ONE-STEP CYCLIZATION FROM DIOLS [作者：YOSHIKAWA KENJI; NAGATA TSUTOMU; YOSHINO TOSHIHARU; NAKAMOTO YUMI; HAGINOYA NORIYASU; MUTO RYO; MOCHIZUKI AKIYOSHI; KANNO HIDEYUKI; OHTA TOSHIHARU,期刊：Heterocycles, 页码：1711-+ , 文章类型： Article，,卷期：2012年85-7] A facile synthetic method of 5,6-dihydro-4H-pyrrolo[3,4-d]thiazole, which is a subunit of a potent factor Xa (fXa) inhibitor was developed. This new approach employs one-step cyclization from a diol and can be applied to... CONVENIENT SYNTHESIS OF 5,7-DICHLOROTHIAZOLO[5,4-d]PYRIMIDINE [作者：SHU LIANHE; ALABANZA LADY MAE; GU CHEN,期刊：Heterocycles, 页码：1721-+ , 文章类型： Article，,卷期：2012年85-7] A convenient synthesis of 5,7-dichlorothiazolo[5,4-d]pyrimidine is reported. The condensation of ethyl isocyanoacetate and ethoxycarbonyl isothiocyanate selectively gave the key 5-aminothiazole intermediate in high yield... DOUBLE INTRAMOLECULAR 1,3-DIPOLAR CYCLOADDITION OF DIAZIDO-TERMINAL DIALKYNE: SYNTHESIS OF A NEW BIS(1,2,3-TRIAZOLO-1,4-OXAZINE) [作者：MEKNI NEJIB HUSEIN; BAKLOUTI AHMED,期刊：Heterocycles, 页码：1727-+ , 文章类型： Article，,卷期：2012年85-7] A new bis(1,2,3-triazolo-1,4-oxazine) fused heterocyclic compound was synthesized from terminal meso-1,2,3,4-diepoxybutane via azide ring opening reaction, followed by propargylation and double 1,3-dipolar intramolecular... REACTIONS OF PYRIDINIUM N-YLIDES AND THEIR RELATED PYRIDINIUM SALTS [作者：KAKEHI AKIKAZU,期刊：Heterocycles, 页码：1529-+ , 文章类型： Review，,卷期：2012年85-7] This review describes some reactions of pyridinium N-ylides and their closely related pyridinium salts and the formation of various nitrogen-containing heterocycles which are not easily obtainable by other methods and ar... SYNTHESIS OF 2,2 '-BIPYRIDINES BY TRANSITION METAL-CATALYZED ALKYNE/NITRILE [2+2+2] CYCLOADDITION REACTIONS [作者：OKAMOTO SENTARO,期刊：Heterocycles, 页码：1579-+ , 文章类型： Review，,卷期：2012年85-7] 2,2'-Bipyridines are of great importance in the fields of catalysis, coordination chemistry, supramolecular chemistry, macromolecular chemistry and photochemistry. Recently, the metal-catalyzed [2+2+2]-type cycloaddition... [1,2]-WITTIG REARRANGEMENT OF AROMATIC HETEROCYCLES [作者：YANG JINGYUE; WANGWEERAWONG APIWAT; DUDLEY GREGORY B,期刊：Heterocycles, 页码：1603-+ , 文章类型： Article，,卷期：2012年85-7] Anionic rearrangement of diverse heteroaryl ethers is reported. In many cases, directed metallation followed by formal [1,2]-Wittig rearrangement provides heteroaryl carbinols in good yield. SYNTHESIS OF SUBSTITUTED DIHYDROBENZOFURANS AND BIS-DIHYDROBENZOFURANS [作者：CHANG MENGYANG; LEE TEINWEI; WU MINGHAO,期刊：Heterocycles, 页码：1607-+ , 文章类型： Article，,卷期：2012年85-7] Several substituted dihydrobenzofurans and bis-dihydrobenzofurans were prepared in accepted yields from 4,4'-biphenyl via a series of reasonable transformations. HIGHLY EFFICIENT SYNTHESIS OF 3,4-DIHYDRO-2(1H)-QUINOLINONE DERIVATIVES UNDER MICROWAVE HEATING [作者：ZHU XIAOTONG; LI QIUYUN; JIANG BO; TU SHUJIANG,期刊：Heterocycles, 页码：1615-+ , 文章类型： Article，,卷期：2012年85-7] A sequential three-component reaction of aromatic aldehydes with aromatic amine, and Meldrum's acid in EtOH under microwave irradiation has been developed. In this one-pot reaction, a series of 3,4-dihydro-2(1H)-quinolin... AN EFFICIENT ONE-POT THREE-COMPONENT SYNTHESIS OF HIGHLY FUNCTIONALIZED COUMARIN FUSED INDENODIHYDROPYRIDINE AND CHROMENO[4,3-b]QUINOLINE DERIVATIVES [作者：AHMED NASEEM; BABU B VENKATA; SINGH SANDEEP; MITRASINOVIC PETAR M,期刊：Heterocycles, 页码：1629-+ , 文章类型： Article，,卷期：2012年85-7] An efficient one-pot, three-component synthesis method of highly functionalized coumarin fused 7,13-dihydro-5-oxa-13-aza-indeno[2,1-b]phenanthrene and chromeno[4,3-b]quinoline derivatives was accomplished using aromatic ... STUDIES ON THE PETASIS REACTION OF 2-PYRIDINECARBALDEHYDE DERIVATIVES AND ITS PRODUCTS [作者：MANDAI HIROKI; MUROTA KYOUTA; SUGA SEIJI,期刊：Heterocycles, 页码：1655-+ , 文章类型： Article，,卷期：2012年85-7] The Petasis reaction of various 2-pyridinecarbaldehydes with secondary amines and boronic acids in refluxed acetonitrile proceeded to afford desired products up to 96% yield. The reaction proceeded under mild conditions ...