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29条记录   Halogenated Quinolines as Substrates for the Palladium-Catalyzed Cross-Coupling Reactions to Afford Substituted Quinolines [作者：MPHAHLELE MALOSE J; LESENYEHO LEHLOHONOLO G,期刊：Journal of Heterocyclic Chemistry, 页码：1-16 , 文章类型： Review，,卷期：2013年50-1] The use of palladium complexes in catalyzing the cross-coupling of halogenated quinolines with various organometalic reagents has led to the development of radically new methods of synthesizing novel substituted quinolin... Ionic Liquid-Mediated Facile Synthesis of Novel Spiroheterobicyclic Rings as Potential Antifungal and Antibacterial Drugs [作者：DANDIA ANSHU; JAIN ANUJ K,期刊：Journal of Heterocyclic Chemistry, 页码：104-113 , 文章类型： Article，,卷期：2013年50-1] A pseudo four-component reaction of urea or thiourea, diverse aryl aldehydes, and 3-methyl-1-phenyl-2-pyrazolin-5-one in ionic liquids yields novel azaspiro[4.5]decene derivatives. However, the corresponding reaction in ... Synthesis of trans/cis-3,4-Disubstituted 1,2,3,4-Tetrahydroisoquinolines by Nucleophilic Acyl Substitution of Homophthalic Anhydride with Aldimines [作者：HAMMAD SHERIF F; SMITH FORREST T,期刊：Journal of Heterocyclic Chemistry, 页码：114-119 , 文章类型： Article，,卷期：2013年50-1] The reaction of the functionalized N-protected imines 3 and 7 containing either the chloromethyl or ethyl ester moieties, respectively, attached to the imine carbon with homophthalic anhydride 2 afforded cis/tran-3-subsi... Organotellurium Chemistry: Remarkably Facile Preparation of Benzo-1,3-tellurazoles [作者：MCMULLEN NATHAN C; FRONCZEK FRANK R; JUNK THOMAS,期刊：Journal of Heterocyclic Chemistry, 页码：120-124 , 文章类型： Article，,卷期：2013年50-1] Benzo-1,3-tellurazoles carrying alkyl or aryl substituents in position 2 were prepared in a facile two-step sequence, starting with readily available 2-haloanilines. This approach relies on the preparation of bis(2-amino... Facile Synthesis, Characterization, and Fluorescence Studies of Novel Porphyrin Appended Thiazoles [作者：MISHRA BHUPENDRA; SHEKAR K P CHANDRA; KUMAR ANIL; PHUKAN S; MITRA S; KUMAR DALIP,期刊：Journal of Heterocyclic Chemistry, 页码：125-128 , 文章类型： Article，,卷期：2013年50-1] A facile and high yielding synthesis of porphyrin appended thiazoles from the reaction of 5-(4-thiocarboxamidophenyl)-10,15,20-triphenylporphyrin with a-bromo ketones has been described. The fluorescence studies of synth... Synthesis and Antitumor Activity of New Substituted Mercapto-1,2,4-Triazine Derivatives, Their Thioglycosides, and Acyclic Thioglycoside Analogs [作者：NASSAR IBRAHIM F,期刊：Journal of Heterocyclic Chemistry, 页码：129-134 , 文章类型： Article，,卷期：2013年50-1] New 1,2,4-triazine and their derived thioglycoside derivatives were synthesized from 5,6-diphenyl-1,2,4-triazine-3-thiol. Furthermore, the corresponding acyclic thioglycoside analogs were synthesized from the correspondi... The First Synthesis of Furoxan and 1,3,4-Oxadiazole Ring Ensembles [作者：FINOGENOV ALEKSEY O; KULIKOV ALEXANDER S; EPISHINA MARGARITA A; OVCHINNIKOV IGOR V; NELYUBINA YU V; MAKHOVA NINA N,期刊：Journal of Heterocyclic Chemistry, 页码：135-140 , 文章类型： Article，,卷期：2013年50-1] Previously unknown furoxan and 1,3,4-oxadiazole ring ensembles incorporating two, three, and five furoxan and 1,3,4-oxadiazole rings in different combinations were for the first time synthesized from accessible azides an... Pd-Assisted Cross-Coupling Reactions with 4-Chlorocinnoline [作者：HEITER HELMUT JULIAN; VILKAUSKAITE GYTE; HOLZER WOLFGANG,期刊：Journal of Heterocyclic Chemistry, 页码：141-144 , 文章类型： Article，,卷期：2013年50-1] A series of 4-ethynylcinnolines 3ae was prepared by Sonogashira reaction of 4-chlorocinnoline () with appropriate alkynes. Moreover, Suzuki coupling of with boronic esters gave the corresponding 4-arylcinnolines 5ac. Det... Improved Synthesis of 2-Chloro-3-amino-4-methylpyridine [作者：ZHAO QIAN; CHEN HANGENG; QIAN CHAO; CHEN XINZHI,期刊：Journal of Heterocyclic Chemistry, 页码：145-148 , 文章类型： Article，,卷期：2013年50-1] 2-Chloro-3-amino-4-methylpyridine (), a key intermediate in the synthesis of nervirapine, was prepared from 2-cyanoacetamide and 4,4-dimethoxyl-2-butanone via condensation, cyclization, one-pot reaction of chlorination a... Synthesis and Antimicrobial Activity of 2-(Pyridine-3-yl)-4H-chromen-4-one Derivatives [作者：CHATE ASHA V; GHOTEKAR DATTATRAYA S; BHAGAT SUNIL S; GILL CHARANSINGH H,期刊：Journal of Heterocyclic Chemistry, 页码：149-154 , 文章类型： Article，,卷期：2013年50-1] An efficiently synthesis of chromones via cyclodehydration of corresponding 1-(2-hydroxyphenyl)-3-(pyridine-3-yl)propane-1,3-dione is described under ultrasound irradiation. A series of novel 2-(pyridine-3-yl)-4H-chromen... Synthesis and Biological Applications of Some Novel Spiro Heterocycles Containing 1,3,4-Thiadiazine, Thiazole, and Oxazole Derivatives [作者：DABHOLKAR VIJAY V; BHUSARI NITIN V,期刊：Journal of Heterocyclic Chemistry, 页码：155-158 , 文章类型： Article，,卷期：2013年50-1] 2-Ethoxy carbonylcyclopentanone (1) has been brominated to yield 2-bromo-2-ethoxy carbonylcyclopentanone (2) which on further reaction with substituted thiosemicarbazones, thiocarbohydrazones, thiocarbamides and carbamid... Synthesis of Coumarin Substituted Triazolothiadiazine Derivatives via Ring Transformation Reaction [作者：CHUNDURU VENKATA SREENIVASA RAO; RAO VEDULA RAJESWAR,期刊：Journal of Heterocyclic Chemistry, 页码：159-163 , 文章类型： Article，,卷期：2013年50-1] A novel ring transformation reaction for the synthesis of 3-(3-aryl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl)-2H-chromen-2-ones has been described. Reaction of 3-(2-bromoacetyl)coumarins (1) with 5-aryl-1,3,4-oxad... New Efficient and Flexible Synthetic Route to Emivirine and Its Analogs [作者：LI LI; MA LIYING; WANG XIAOWEI; LIU JUNYI,期刊：Journal of Heterocyclic Chemistry, 页码：164-168 , 文章类型： Article，,卷期：2013年50-1] A revised synthetic route to Emivirine (MKC-442) via properly substituted beta-keto ester converted from Meldrum's Acid was developed. This method could be applied to the synthesis of a variety of MKC-442 analogues and o... A General and Facile Synthesis of Novel Polysubstituted Quinazolin-4(3H)-ones [作者：XIN MINHANG; GAO YING; XIANG HUA; CHEN DONG; HE YI; YOU QIDONG,期刊：Journal of Heterocyclic Chemistry, 页码：169-174 , 文章类型： Article，,卷期：2013年50-1] A simple and efficient approach to synthesize novel polysubstituted quinazolin-4(3H)-ones has been developed, and the key step is a sequential procedure involved iron-mediated reduction and acid-catalytic cyclization. Th... Reaction of Hydrazonoyl Halides with Bis-enaminones: A Convenient Route for Synthesis of Novel Polyaza-Terheterocycles [作者：SHAWALI AHMAD S; HABOUB ADEL J M,期刊：Journal of Heterocyclic Chemistry, 页码：17-22 , 文章类型： Article，,卷期：2013年50-1] New bis(pyrazolylenaminones) were prepared in good yields. Their synthetic utilities as precursors for regioselective synthesis of novel bis(hetarylpyrazoles) were also investigated. The mechanisms and selectivities obse... Synthesis of New Tetrahydro-1,5-benzodiazepin-3-yl-2-phenylacetamides via Isocyanide-Based Multicomponent Reactions [作者：ASTARAKI ALI MOHAMMAD; BAZGIR AYOOB,期刊：Journal of Heterocyclic Chemistry, 页码：175-178 , 文章类型： Article，,卷期：2013年50-1] New tetrahydro-1H-1,5-benzodiazepin-2-phenylacetamides were synthesized in good yields by a four-component reaction of benzylidene Meldrum's acid, benzene-1,2-diamines, isocyanides, and water in CH2Cl2 at room temperatur...