Works matching IS 0022152X AND DT 2008 AND VI 45 AND IP 4

Results: 54

Studies with S-alkylpyrimidine: New route for the synthesis derivatives of isoxazol, pyrazolo[1,5- a]pyrimidine, pyridazine, pyridine, thieno[2,3- b]pyridine and thiophene of potential anti-HIV.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1057, doi. 10.1002/jhet.5570450417

By:

Al-Omran, Fatima A.;
El-Khair, Adel A.

Publication type:

Article

2-(Azulen-1-yl)-4,6-diphenyl substituted six-membered heteroaromatics.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1139, doi. 10.1002/jhet.5570450431

By:

Razus, Alexandru C.;
Birzan, Liviu;
Zaharia, Oana;
Enache, Cristian

Publication type:

Article

Regio- and stereoselective synthesis of isoxazolidine derivatives by asymmetric 1,3-dipolar cycloaddition reaction of chiral nitrones with 1-propene-1,3-sultone.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 957, doi. 10.1002/jhet.5570450402

By:

Zhang, Hong-Kui;
Chan, Wing-Hong;
Leeb, Albert W. M.;
Wong, Wai-Yeung

Publication type:

Article

An efficient and expeditious microwave-assisted synthesis of quinoxaline derivatives via nucleophilic heteroaromatic substitution.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1199, doi. 10.1002/jhet.5570450442

By:

Cuenca, Angela;
Pérez, Suhey;
Yepez, Arlene;
Paredes, Luisar;
Montecinos, Luisana;
Llovera, Ligia;
Rodríguez, César

Publication type:

Article

Synthesis of some novel pyrazolo[1,5- a]pyrimidine, 1,2,4-triazolo[1,5- a]pyrimidine, pyrido[2,3- d]pyrimidine, pyrazolo[5,1- c]-1,2,4-triazine and 1,2,4-triazolo[5,1- c]-1,2,4-triazine derivatives incorporating a thiazolo[3,2- a]benzimidazole moiety.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1033, doi. 10.1002/jhet.5570450413

By:

Abdel-Aziz, Hatem A.;
Hamdy, Nehal A.;
Fakhr, Issa M. I.;
Farag, Ahmad M.

Publication type:

Article

Simple microwave-assisted ligand-free suzuki cross-coupling: Functionalization of halo-pyrimidine moieties.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1077, doi. 10.1002/jhet.5570450420

By:

Colombo, Matteo;
Giglio, Marco;
Peretto, Ilaria

Publication type:

Article

Synthesis of some novel methylene-bis-pyrimidinyl-spiro-4-thiazolidinones as biologically potent agents.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1121, doi. 10.1002/jhet.5570450428

By:

Srinivas, A.;
Nagaraj, A.;
Reddy, Ch. Sanjeeva

Publication type:

Article

Facile acidic hydrolysis and displacement reactions of 2-chloro-and 2,9-dichloro-1,10-phenanthroline.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1167, doi. 10.1002/jhet.5570450435

By:

Krapcho, A. Paul;
Sparapani, Silvia

Publication type:

Article

N-[(Diphenoxyphosphoryl)oxy]-2-phenyl-1 H-benzimidazole as a versatile reagent for synthesis O-alkylhydroxamic acids.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 981, doi. 10.1002/jhet.5570450406

By:

Kokare, Nagnnath D.;
Shinde, Devanand B.

Publication type:

Article

Selective modification of bifunctional heterocyclic compounds containing amino and thioamide groups in acetic acid medium.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1215, doi. 10.1002/jhet.5570450446

By:

Kolmakov, Kirill A.

Publication type:

Article

Synthesis of new imidazole derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1247, doi. 10.1002/jhet.5570450453

By:

Nowak, Krystyna;
Szpakiewicz, Barbara

Publication type:

Article

Microwave-assisted regioselective one-pot synthesis of trisubstituted pyridine scaffolds using K5CoW12O40.3H2O under solvent free conditions.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1099, doi. 10.1002/jhet.5570450424

By:

Kantevari, Srinivas;
Chary, Mahankhali Venu;
Vuppalapati, Srinivasu V. N.;
Lingaiah, N.

Publication type:

Article

An efficient synthesis of new benzo[1′,2′:6,7]quinolino[2,3- d]-pyrimidine derivatives via three-component microwave-assisted reaction.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1243, doi. 10.1002/jhet.5570450452

By:

Chen, Yan;
Wu, Shanshan;
Tu, Shujiang;
Shi, Feng;
Li, Chunmei

Publication type:

Article

Synthesis of a new class of bisheterocycles from phenacylsulfonylacetic acid methyl ester.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1131, doi. 10.1002/jhet.5570450430

By:

Padmavathi, Venkatapuram;
Mohan, Annaji Venkata Nagendra;
Mahesh, Konda

Publication type:

Article

Progress in the chemistry of 4- thiazolidinones.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 939, doi. 10.1002/jhet.5570450401

By:

Hamama, Wafaa S.;
Ismail, Mohamed A.;
Shaaban, Saad;
Zoorob, Hanafi H.

Publication type:

Article

Highly efficient intramolecular cyclizations of 2′-hydroxychalcones to 4-chloro-2 H-chromenes under vilsmeier conditions.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1195, doi. 10.1002/jhet.5570450441

By:

Li, Zhen-Hua;
Zheng, Cun;
Su, Wei-Ke

Publication type:

Article

I2-catalyzed reactions of schiff base and alkyl aldehyde towards benzo[ f]quinoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1027, doi. 10.1002/jhet.5570450412

By:

Li, Qing;
Yao, Chang-Sheng;
Zhang, Mei-Mei;
Tu, Shu-Jiang;
Wang, Xiang-Shan

Publication type:

Article

Synthesis of some novel 2-substituted-N-aryl-benzoxazole-5-carboxamides using cobalt dipyridine dichloride as a catalyst.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1187, doi. 10.1002/jhet.5570450439

By:

Sarangapani, M.;
Sridhar, D.;
Arjun, M.;
Chari, M. Adharvana

Publication type:

Article

A convenient synthesis of novel 1,3,4-triaryl-3,4-dihydropyrimidin-2(1 H)-ones by cyclization of aromatic isocyanates with β-arylamino-1-phenylpropan-1-ones.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1095, doi. 10.1002/jhet.5570450423

By:

Hu, Yongzhou;
Lu, Xiuyang;
Xue, Na

Publication type:

Article

Synthesis and anti-HIV-1 evaluation of 1,5-disubstituted pyrimidine-2,4-diones.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1161, doi. 10.1002/jhet.5570450434

By:

Loksha, Yasser M.;
Globisch, Daniel;
Pedersen, Erik B.;
La Colla, Paolo;
Collu, Gabriella;
Loddo, Roberta

Publication type:

Article

Studies with 2-arylhydrazononitriles: Further investigations on reactivity of 2-arylhydrazononitriles towards hydroxylamine.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 975, doi. 10.1002/jhet.5570450405

By:

Riyadh, Sayed M.;
Al-Matar, Hamad M.;
Elnagdi, Mohamed H.

Publication type:

Article

Facile routes to 1,2,4-triazolo[3,4- b][1,3,4]thiadiazines and 1,2,4-triazino[3,4- b][1,3,4]thiadiazine by heteropolyacides.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1211, doi. 10.1002/jhet.5570450445

By:

Motamedi, Radineh;
Heravi, Majid M.;
Bamoharram, Fatemeh F.;
Haeri, Anahita

Publication type:

Article

Synthesis of some oxazolyl - pyrazolyl; 1,4-Dihydropyridinyl-pyrazolyl and 1,2,3,4-tetrahydro pyrimidinyl-pyrazolyl coumarins.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1051, doi. 10.1002/jhet.5570450416

By:

Patel, Mehul A.;
Brahmbhatt, Dinker I.

Publication type:

Article

Synthesis and biological evaluation of novel methylene-bis-[1,5]-benzodiazepines.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1115, doi. 10.1002/jhet.5570450427

By:

Raghu, M.;
Nagaraj, A.;
Reddy, Ch. Sanjeeva

Publication type:

Article

An efficient and clean one-pot synthesis of 3,4-dihydropyrimidine-2(1 H)-ones catalyzed by tungstate sulfuric acid in solvent-free conditions.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1183, doi. 10.1002/jhet.5570450438

By:

Nasr-Esfahani, Masoud;
Karami, Bahador;
Montazerozohori, Morteza;
Abdi, Karim

Publication type:

Article

Synthesis and biological evaluation of novel methylene-bisthiazolidinone derivatives as potential nematicidal agents.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 999, doi. 10.1002/jhet.5570450409

By:

Srinivas, A.;
Nagaraj, A.;
Reddy, Ch. Sanjeeva

Publication type:

Article

Synthesis and characterization of N-arylsulfonylazetidines.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1229, doi. 10.1002/jhet.5570450449

By:

Tan, Songde;
Chen, Yiwen;
Zingaro, Ralph A.;
Reibenspies, Joseph H.

Publication type:

Article

Oxalic acid as a versatile catalyst for one pot facile synthesis of 3,4-dihydropyrimidin-2-(1 H)-ones and their thione analogues.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1191, doi. 10.1002/jhet.5570450440

By:

Sangshetti, Jaiprakash N.;
Shinde, Devanand B.;
Kokare, Nagnnath D.

Publication type:

Article

Synthesis of novel 5,7-disubstituted 8-hydroxyquinolines.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1023, doi. 10.1002/jhet.5570450411

By:

Himmi, Banacer;
Kitane, Saïd;
Eddaif, Abdelhamid;
Joly, Jean-Pierre;
Hlimi, Fouzia;
Soufiaoui, Mohamed;
Bahloul, Abdelmejid;
Sebban, Abdelfatah

Publication type:

Article

Studies with phenylsulfone derivatives: Synthesis of pyrrole, thiophene and their fused derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1237, doi. 10.1002/jhet.5570450451

By:

Elkholy, Yehya M.

Publication type:

Article

Ketene dithioacetals-source for different heterocycles.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1089, doi. 10.1002/jhet.5570450422

By:

Padmavathi, Venkatapuram;
Reddy, Gali Sudhakar;
Deepti, Duvvuru;
Padmaja, Adivireddy

Publication type:

Article

6-Nitro-1,2,3,4-tetrahydroquinolines by a tandem reductive amination-SNAr reaction.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1155, doi. 10.1002/jhet.5570450433

By:

Bunce, Richard A.;
Nago, Takahiro

Publication type:

Article

Synthesis of new 3-(trifluoromethyl)-1 H-indoles by reduction of trifluoromethyloxoindoles.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 969, doi. 10.1002/jhet.5570450404

By:

Bastos, Moônica M.;
Mayer, Lúcia M. U.;
Figueira, Elza C. S.;
Soares, Marcio;
Boechat, Núbia;
Kover, Warner B.

Publication type:

Article

Chemoselective reaction of formalin with 2-(5-substituted-2-hydroxybenzylamino)phenols: Synthesis of 6-substituted 3-(2-hydroxyphenyl)-3,4-dihydro-2 H-benzo[ e][1,3]oxazines.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1207, doi. 10.1002/jhet.5570450444

By:

Manikannan, Ramaiyan;
Muthusubramanian, Shanmugam

Publication type:

Article

Synthesis and biological activities of novel 1,3-bis[substituted-pyridyl (thiazolyl)methyl]-2-substitutedmethylideneimidazolidines.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1045, doi. 10.1002/jhet.5570450415

By:

Yan, Man;
Luo, Zai-Gang;
Zhu, Xiao-Fei;
Shi, De-Qing

Publication type:

Article

Unsymmetrical indirect covariance processing of hyphenated and long-range heteronuclear 2D NMR spectra - Enhanced visualization of 2JCH and 4JCH correlation responses.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1109, doi. 10.1002/jhet.5570450426

By:

Martin, Gary E.;
Hilton, Bruce D.;
Blinov, Kirill A.;
Williams, Antony J.

Publication type:

Article

First synthesis of selenadiazolo[3,4- i].

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1179, doi. 10.1002/jhet.5570450437

By:

Abou Elmaaty, Tarek M.

Publication type:

Article

A facile synthesis and heteroannulation of thiazolopyrimidine and related heterocyclic systems.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 993, doi. 10.1002/jhet.5570450408

By:

Aly, A. A.

Publication type:

Article

Dichloro dicyano quinone (DDQ) as coupling reagent for high yield synthesis of 3,4-dihydropyrimidin-2(1 H)-ones.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1225, doi. 10.1002/jhet.5570450448

By:

Shobha, D.;
Chari, M. Adharvana;
Sadanandam, P.;
Mukkanti, K.

Publication type:

Article

Heterocondensed thiophenes and thiazoles by THORPE-ZIEGLER cyclization.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1071, doi. 10.1002/jhet.5570450419

By:

Gruner, Margit;
Böttcher, Gesine;
Gewald, Karl

Publication type:

Article

Preparation of derivatives of 1-(2-pyrimidinyl)piperazine as potential antianxiety, antidepressant, and antipsychotic agents.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1005, doi. 10.1002/jhet.5570450410

By:

Becker, Irwin

Publication type:

Article

New one- pot synthesis of pyrazolo[3,4- c]pyridazine and isoxazolo-[5,4- b]pyridine derivatives from potassium cyanoacetahydroxamate.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1233, doi. 10.1002/jhet.5570450450

By:

El-Rady, Eman A.;
Barsy, Magda A.

Publication type:

Article

Convenient preparations of 2-alkyl-5-oxopyrrolidine-3-carboxylic acids.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1251, doi. 10.1002/jhet.5570450454

By:

Photiadou, Anna D.;
Stathakis, Christos I.;
Gallos, John K.

Publication type:

Article

Darzens reaction of 2-bromo-4,6-dimethoxy-3(2 H)-benzofuranone with aromatic aldehydes to form flavonoids.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1149, doi. 10.1002/jhet.5570450432

By:

Ottersbach, Philipp A.;
Bolek, David;
Lepičová, Eva;
Gütschow, Michael;
Nieger, Martin

Publication type:

Article

Photocyclisations of some 3-alkoxy-2-thienylchromones.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 963, doi. 10.1002/jhet.5570450403

By:

Yusuf, Mohamad;
Kumar, Rupesh;
Gupta, S. C.

Publication type:

Article

A simple and efficient procedure for the synthesis of benzimidazoles using trichloroisocyanuric acid (TCCA) as the oxidant.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1203, doi. 10.1002/jhet.5570450443

By:

Bigdeli, Mohammad A.;
Dostmohammadi, Hamideh;
Nemati, Firouzeh;
Mahdavinia, Gholam Hossein

Publication type:

Article

Regioselective synthesis of heterocyclic scaffold by aryl radical cyclization.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1039, doi. 10.1002/jhet.5570450414

By:

Majumdar, K. C.;
Kundu, N.

Publication type:

Article

Facile synthesis of 6-aryl-5 H-8-oxa-4 b, 7-diaza-benzo[ a]azulen-9-one derivatives, new tricyclic heterocycles.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1083, doi. 10.1002/jhet.5570450421

By:

Praveen, Cherukupally;
Rao, Javvaji Rama;
Reddy, Padi Pratap;
Mukkanti, Kaga;
Reddy, Gade Srinivas

Publication type:

Article

A green and efficient synthesis of furo[3,4- e]pyrazolo[3,4- b]-pyridine derivatives in water under microwave irradiation without catalyst.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1103, doi. 10.1002/jhet.5570450425

By:

Shi, Feng;
Tu, Shujiang;
Jiang, Bo;
Li, Chunmei;
Zhou, Dianxiang;
Shao, Qingqing;
Cao, Longji;
Wang, Qian;
Zhou, Jianfeng

Publication type:

Article

Reactions of 4-dimethylamino-3-quinolinyl sulfides with nitrating mixture and transamination of 4-dimethylamino-3-methylsulfinyl-6-nitroquinoline.

Published in:

Journal of Heterocyclic Chemistry, 2008, v. 45, n. 4, p. 1171, doi. 10.1002/jhet.5570450436

By:

Chrobak, Elwira;
Maślankiewicz, Andrzej

Publication type:

Article