Works matching IS 0022152X AND DT 2004 AND VI 41 AND IP 4

Results: 28

Synthesis and characterization of new biologically active 2-(1,3-disubstituted pyrazolyl)chromones and corresponding pyrimidine, thiopyrimidine, pyrazolyl derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 541, doi. 10.1002/jhet.5570410410

By:

Joshia, N. S.;
Karale, B. K.;
Gill, C. H.;
Bhirud, S. B.

Publication type:

Article

Synthesis and biological evaluation of benzo[7,8]chromeno[5,6- b][1,4]oxazin-3-ones.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 605, doi. 10.1002/jhet.5570410421

By:

Nicolaides, Demetrios N.;
Gautam, Daman R.;
Litinas, Konstantinos E.;
Hadjipavlou-Litina, Dimitra J.;
Kontogiorgis, Christos A.

Publication type:

Article

Generation and reactivity of 3-carbethoxy-5-phenyl- 5H,7H-thiazolo[3,4- c]oxazol-4-ium-1-olate.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 493, doi. 10.1002/jhet.5570410403

By:

Pinho e Melo, Teresa M. V. D.;
Gomes, Clara S. B.;
Soares, Maria I. L.;
Gonsalves, Antóanio M. d'A Rocha;
Paixão, José A.;
Beja, Ana M.;
Silva, Manuela Ramos

Publication type:

Article

Stereoselective synthesis of conformationally constrained tropane analogues: 6-Chloro-2,5-diazatetracyclo[8.5.0.02,13.04,9]pentadeca-4,6,8-triene-11-one and 6-chloro-2,7-diazatetracyclo-[8.5.0.02,13.04,9]pentadeca-4,6,8-triene-11-one

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 569, doi. 10.1002/jhet.5570410414

By:

Cheng, Jie;
Xu, Liang;
Stevens, Edwin D.;
Trudell, Mark L.;
Izenwasser, Sari;
Wade, Dean

Publication type:

Article

A facile one-pot synthesis of novel substituted 1,2,3,4-tetrahydropyrimidine, part 2.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 627, doi. 10.1002/jhet.5570410425

By:

Chanda, Kaushik;
Dutta, Milan Ch.;
Karim, Enamul;
Vishwakarma, Jai N.

Publication type:

Article

Synthesis of substituted 3-(5-amino-[1,3,4]thiadiazol-2-yl)-2 H-pyrano[2,3- c]pyridin-2-ones.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 517, doi. 10.1002/jhet.5570410407

By:

Zhuravel', Irina O.;
Chernykh, Valentin P.;
Shinkarenko, Pavlo E.;
Kovalenko, Sergiy M.;
Ivachtchenko, Alexandre V.

Publication type:

Article

Hantzsch reaction of 3-(2-bromoacetyl)-4-hydroxy-chromen-2-one. Synthesis of 3-(thiazol-4-yl)-4-hydroxy coumarines.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 593, doi. 10.1002/jhet.5570410418

By:

Sukdolak, S.;
Solujić, S.;
Manojlović, N.;
Vuković, N.;
Krstić, L. J.

Publication type:

Article

The synthesis of substituted indazoles via cyclization of various hydrazones in the presence of polyphosphoric acid (PPA).

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 601, doi. 10.1002/jhet.5570410420

By:

Guofu, Qiu;
Jiangtao, Su;
Xichun, Feng;
Lamei, Wu;
Wenjin, Xu;
Xianming, Hu

Publication type:

Article

Recent development in preparation reactivity and biological activity of enaminoketones and enaminothiones and their utilization to prepare heterocyclic compounds.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 461, doi. 10.1002/jhet.5570410402

By:

Negri, Giuseppina;
Kascheres, Concetta;
Kascheres, Albert J.

Publication type:

Article

Diastereoselective synthesis of substituted 2,3,4,5-tetrahydro-1 H-1-benzazepine-5-carboxylic esters by a tandem reduction-reductive animation reaction.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 563, doi. 10.1002/jhet.5570410413

By:

Bunce, Richard A.;
Johnson, Lara B.;
Holt, Elizabeth M.

Publication type:

Article

Synthesis of six new 2-Aryl- N-biphenyl benzimidazoles and crystal structure of methyl 4′ [(2- p-Chlorophenyl-1 H-benzimidazole-1-yl)-methyl]biphenyl-2-carboxylate.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 621, doi. 10.1002/jhet.5570410424

By:

Zhiming, Zhou;
Weifa, Yu;
Jun, Zhang;
Congxuan, Yu;
Xinqi, Zhao

Publication type:

Article

One-step synthesis of aminopyrimidines from 5-Oxo-4 H-benzopyrans.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 509, doi. 10.1002/jhet.5570410406

By:

Salfrán, Esperanza;
Seoaneb, Carlos;
Suárez, Margarita;
Verdecia, Yamila;
Alvarez, Amaury;
Ochoa, Estael;
Martínez-Alvarez, Roberto;
Martín, Nazario

Publication type:

Article

4-hydroxy-6-methyl-3-(5-phenyl-2 E,4 E-pentadien-1-oyl)-2 H-pyran-2-one: Synthesis and reactivity with amines.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 587, doi. 10.1002/jhet.5570410417

By:

Aït-Baziz, Nabila;
Rachedi, Yahia;
Hamdi, Maamer;
Silva, Artur M. S.;
Balegroune, F.;
Thierry, Roisnel;
Sellier, N.

Publication type:

Article

Synthesis of dihydrothieno[2,3- b]pyridines based on titanium(IV) chloride-mediated michael reactions of 2-amino-4,5-dihydro-3-thiophenecarbonitriles with α,β-unsaturated ketones.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 641, doi. 10.1002/jhet.5570410428

By:

Maruoka, Hiroshi;
Yamazaki, Motoyoshi;
Tomioka, Yukihiko

Publication type:

Article

Synthesis of isoflavones.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 449, doi. 10.1002/jhet.5570410401

By:

Lévai, Albert

Publication type:

Article

Synthesis of lipophilic lariat ethers with pendant N-(X)sulfonyl carboxamide groups.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 557, doi. 10.1002/jhet.5570410412

By:

Hu, Hui;
Bartsch, Richard A.

Publication type:

Article

Indium-mediated facile preparation of 2-(heterocyclic thio)-1-(2,3,4-trimethoxyphenyl)ethanone in aqueous media.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 617, doi. 10.1002/jhet.5570410423

By:

Yang, Song;
Song, Bao-An;
Zhang, Hua;
Hu, De-Yu;
Jin, Lin-Hong;
Liu, Gang

Publication type:

Article

Synthesis of α-alkylidene-γ-butyrolactones via Ring-cleavage/recyclization of 2-Amino-4,5-dihydro-3-furancarboxamides.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 505, doi. 10.1002/jhet.5570410405

By:

Okabe, Fumi;
Tagawa, Yoshinobu;
Yamagata, Kenji

Publication type:

Article

New N6-substituted 8-alkyl-2-phenylmethylsulfanyl-adenines. II.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 581, doi. 10.1002/jhet.5570410416

By:

Biagi, Giuliana;
Giorgi, Irene;
Livi, Oreste;
Pacchini, Federica;
Scartoni, Valerio;
Salerni, Oreste Leroy

Publication type:

Article

An expedient synthesis of an isofervenulin analogue.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 637, doi. 10.1002/jhet.5570410427

By:

Bach, Andrew;
Jiang, Xinglong;
Mckenna, Joseph;
Prasad, Kapa;
Repic, Oljan;
Shieh, Wen-Chung

Publication type:

Article

Synthesis of some fused β-carbolines including the first example of the pyrrolo[3,2- c]-β-carboline system.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 531, doi. 10.1002/jhet.5570410409

By:

Condie, Glenn C.;
Bergman, Jan

Publication type:

Article

Synthesis and reactivity of some imidazo-, triazolo- and tetrazolo-isoquinoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 549, doi. 10.1002/jhet.5570410411

By:

Deady, Leslie W.;
Devine, Shane M.

Publication type:

Article

Synthesis of 5 H-1,2,3-triazolo[4,3- a][2]benzazepines from the baylis-hillman adducts of 2-alkynylbenzaldehydes.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 613, doi. 10.1002/jhet.5570410422

By:

Ko, Seung Ho;
Lee, Kee-Jung

Publication type:

Article

Thermal transformation of arylamidoximes in the presence of phosphorus ylides. Unexpected formation of 3-aryl-5-arylamino-1,2,4-oxadiazoles.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 499, doi. 10.1002/jhet.5570410404

By:

Nicolaides, Demetrios N.;
Litinas, Konstantinos E.;
Vrasidas, Ioannis;
Fylaktakidou, Konstantina C.

Publication type:

Article

Preparation of new N6, 9-disubstituted 2-phenyl-adenines and corresponding 8-azaadenines.: A feasibility study for application to solid-phase Synthesis. I.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 575, doi. 10.1002/jhet.5570410415

By:

Biagi, Giuliana;
Giorgi, Irene;
Livi, Oreste;
Pacchini, Federica;
Scartoni, Valerio;
Salerni, Oreste Leroy

Publication type:

Article

The cleavage of heterocyclic compounds in organic synthesis II.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 633, doi. 10.1002/jhet.5570410426

By:

Hlaváč, Jan;
Soural, Miroslav;
Hradil, Pavel;
Fryšová, Iveta;
Slouka, Jan

Publication type:

Article

Synthesis of trifluoromethylated pyrido[2,3- d]pyrimidine-2,4-diones from 6-aminouracils and trifluoromethylated pyrazolo[3,4- b]-pyridines from 5-aminopyrazoles.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 525, doi. 10.1002/jhet.5570410408

By:

Takahashi, Masahiko;
Nagaoka, Hironori;
Inoue, Kazuhiro

Publication type:

Article

Cyclocondensation reaction of heterocyclic carbonyl compounds.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 597, doi. 10.1002/jhet.5570410419

By:

Buchtík, Roman;
Hlaváč, Jan;
Slouka, Jan;
Fryčák, Petr

Publication type:

Article

Works matching IS 0022152X AND DT 2004 AND VI 41 AND IP 4

Synthesis and characterization of new biologically active 2-(1,3-disubstituted pyrazolyl)chromones and corresponding pyrimidine, thiopyrimidine, pyrazolyl derivatives.

Synthesis and biological evaluation of benzo[7,8]chromeno[5,6- b][1,4]oxazin-3-ones.

Generation and reactivity of 3-carbethoxy-5-phenyl- 5H,7H-thiazolo[3,4- c]oxazol-4-ium-1-olate.

Stereoselective synthesis of conformationally constrained tropane analogues: 6-Chloro-2,5-diazatetracyclo[8.5.0.0<sup>2,13</sup>.0<sup>4,9</sup>]pentadeca-4,6,8-triene-11-one and 6-chloro-2,7-diazatetracyclo-[8.5.0.0<sup>2,13</sup>.0<sup>4,9</sup>]pentadeca-4,6,8-triene-11-one

A facile one-pot synthesis of novel substituted 1,2,3,4-tetrahydropyrimidine, part 2.

Synthesis of substituted 3-(5-amino-[1,3,4]thiadiazol-2-yl)-2 H-pyrano[2,3- c]pyridin-2-ones.

Hantzsch reaction of 3-(2-bromoacetyl)-4-hydroxy-chromen-2-one. Synthesis of 3-(thiazol-4-yl)-4-hydroxy coumarines.

The synthesis of substituted indazoles via cyclization of various hydrazones in the presence of polyphosphoric acid (PPA).

Recent development in preparation reactivity and biological activity of enaminoketones and enaminothiones and their utilization to prepare heterocyclic compounds.

Diastereoselective synthesis of substituted 2,3,4,5-tetrahydro-1 H-1-benzazepine-5-carboxylic esters by a tandem reduction-reductive animation reaction.

Synthesis of six new 2-Aryl- N-biphenyl benzimidazoles and crystal structure of methyl 4′ [(2- p-Chlorophenyl-1 H-benzimidazole-1-yl)-methyl]biphenyl-2-carboxylate.

One-step synthesis of aminopyrimidines from 5-Oxo-4 H-benzopyrans.

4-hydroxy-6-methyl-3-(5-phenyl-2 E,4 E-pentadien-1-oyl)-2 H-pyran-2-one: Synthesis and reactivity with amines.

Synthesis of dihydrothieno[2,3- b]pyridines based on titanium(IV) chloride-mediated michael reactions of 2-amino-4,5-dihydro-3-thiophenecarbonitriles with α,β-unsaturated ketones.

Synthesis of isoflavones.

Synthesis of lipophilic lariat ethers with pendant N-(X)sulfonyl carboxamide groups.

Indium-mediated facile preparation of 2-(heterocyclic thio)-1-(2,3,4-trimethoxyphenyl)ethanone in aqueous media.

Synthesis of α-alkylidene-γ-butyrolactones via Ring-cleavage/recyclization of 2-Amino-4,5-dihydro-3-furancarboxamides.

New N<sup>6</sup>-substituted 8-alkyl-2-phenylmethylsulfanyl-adenines. II.

An expedient synthesis of an isofervenulin analogue.

Synthesis of some fused β-carbolines including the first example of the pyrrolo[3,2- c]-β-carboline system.

Synthesis and reactivity of some imidazo-, triazolo- and tetrazolo-isoquinoline derivatives.

Synthesis of 5 H-1,2,3-triazolo[4,3- a][2]benzazepines from the baylis-hillman adducts of 2-alkynylbenzaldehydes.

Thermal transformation of arylamidoximes in the presence of phosphorus ylides. Unexpected formation of 3-aryl-5-arylamino-1,2,4-oxadiazoles.

Preparation of new N<sup>6</sup>, 9-disubstituted 2-phenyl-adenines and corresponding 8-azaadenines.: A feasibility study for application to solid-phase Synthesis. I.

The cleavage of heterocyclic compounds in organic synthesis II.

Synthesis of trifluoromethylated pyrido[2,3- d]pyrimidine-2,4-diones from 6-aminouracils and trifluoromethylated pyrazolo[3,4- b]-pyridines from 5-aminopyrazoles.

Cyclocondensation reaction of heterocyclic carbonyl compounds.