Works matching IS 0022152X AND DT 2001 AND VI 38 AND IP 4

Results: 34

Synthetic approaches to 4,8-dimethyl-5′-( N-pyridiniummethyl)- 4′,5′-dihydropsoralens and 4,8-dimethyl-5′- ( N-aminomethyl)- 4′,5′-dihydropsoralens.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 909, doi. 10.1002/jhet.5570380415

By:

Whittemore, Marilyn S.;
Heindel, Ned D.;
Jabin, Ivan;
Guillon, Christophe;
Mcneel, Thomas E.;
Rapp, Robert D.;
Heck, Diane E.;
Laskin, Jeffrey D.

Publication type:

Article

Synthesis of new thienotriazolopyrimidine and thienopyrimidotetrazine derivatives from bifunctional intermediates.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 973, doi. 10.1002/jhet.5570380426

By:

Modica, Maria;
Santagati, Maria;
Santagati, Andrea

Publication type:

Article

Preparation of pyrrolo[2,1,5- cd]indolizine Derivatives by intramolecular condensation of 3-acyl-5-methylindolizines.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 853, doi. 10.1002/jhet.5570380408

By:

Liang, Feng;
Hu, Jiaxin;
Zhang, Lande;
Hu, Yuefei;
Hu, Hongwen

Publication type:

Article

Synthesis and characterization of 7, 16-bis(phenylazo)tetraaza[14]annulenes.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 933, doi. 10.1002/jhet.5570380419

By:

Sakata, Kazunori;
Yamashita, Junichi;
Hashimoto, Mamoru;
Tsuge, Akihiko;
Tanoue, Yasuhiro

Publication type:

Article

Reactions of alkyl (z)-2-[( E)-2-ethoxycarbonyl-2-(2-pyridinyl)-ethenyl]amino-3-dimethylaminopropenoates with C- and N-nucleophiles. the synthesis of fused pyranones, pyridinones and pyrimidinones.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 869, doi. 10.1002/jhet.5570380410

By:

Jukić, Lucija;
Svete, Jurij;
Stanovnik, Branko

Publication type:

Article

Pyridazines 93.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 945, doi. 10.1002/jhet.5570380421

By:

Heinisch, Gottfried;
Hetzenauer, Alfred;
Matuszczak, Barbara;
Rakowitz, Dietmar;
Mereiter, Kurt

Publication type:

Article

About 1-triphenylmethyl-3- tert-butylaziridinone and some of its reactions.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 997, doi. 10.1002/jhet.5570380432

By:

Lengyel, István;
Cesare, Victor;
Karram, Halina;
Taldone, Tony

Publication type:

Article

An easy route to 2-substituted-2,3-dihydro-5(7) H-oxazolo[3,2- a]pyrimidin-5-ones and 7-ones starting from the corresponding 2-amino-2-oxazolines.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 823, doi. 10.1002/jhet.5570380403

By:

Forfar, I.;
Guillon, J.;
Massip, S.;
Léger, J.-M.;
Jarry, C.;
Fayet, J.-P.

Publication type:

Article

A simple one pot synthesis of condensed 1,2,4-triazines by using the tandem aN-SNipso and SNH-SNipsa reactions.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 901, doi. 10.1002/jhet.5570380414

By:

Chupakhin, Oleg N.;
Rusinov, Gennady L.;
Beresnev, Dmitry G.;
Charushin, Valery N.;
Neunhoeffer, Hans

Publication type:

Article

A library of pyranocoumarin derivatives via a one-pot three-component hetero diels-alder reaction.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 965, doi. 10.1002/jhet.5570380425

By:

Cravotto, Giancarlo;
Nano, Gian Mario;
Tagliapietra, Silvia;
Palmisano, Giovanni;
Pilati, Tullio

Publication type:

Article

Spectroscopic analysis of imidazolidines. Part II: 1H NMR spectroscopy and conformational analysis of 1,2 and 1,3-diarylimidazolidines.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 849, doi. 10.1002/jhet.5570380407

By:

Salemo, Alejandra;
Buldain, Graciela;
Perillo, Isabel A.

Publication type:

Article

Efficient one-pot synthesis of s-triazolo[3,4- b]-[1,3,5]thiadiazines containing a chiral side chain by double mannich type reaction.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 929, doi. 10.1002/jhet.5570380418

By:

Shi, Haijian;
Shi, Haoxin;
Wang, Zhongyi

Publication type:

Article

Synthesis of bis-heteroaryl piperazine derivatives as potential reverse transcriptase inhibitors.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 985, doi. 10.1002/jhet.5570380429

By:

Guillaumel, Jean;
Grierson, David S.;
Monneret, Claude

Publication type:

Article

A new synthesis of 4-cyano-1,3-dihydro-2-oxo-2 H-imidazole-5-(N1-tosy1)carboxamide : reactive precursor for thiopurine analogues.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 939, doi. 10.1002/jhet.5570380420

By:

Hamad, Abdel-Sattar S.;
Derbala, Hamed D. A. Y.

Publication type:

Article

Synthesis of pyridazinone-substituted 1,3,4-thiadiazoles, -1,3,4-oxadiazoles and -1,2,4-triazoles.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 993, doi. 10.1002/jhet.5570380431

By:

Zou, Xiajuan;
Jin, Guiyu

Publication type:

Article

Recent trends in isomeric thienoquinoxalines [1980-2000].

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 809, doi. 10.1002/jhet.5570380402

By:

Moustafa, Osama S.;
Yamada, Yoichi

Publication type:

Article

1 H-4,5,6,7-Tetrahydro-1,3-diazepines. part II: basicity and hydrolysis of 1, 2-diaryl derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 895, doi. 10.1002/jhet.5570380413

By:

Hedrera, Mónica E.;
Perillo, Isabel A.;
Fernández, Beatriz

Publication type:

Article

Synthesis of 3,4-dihydro-1(2 H)-isoquinolinonesxs.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 961, doi. 10.1002/jhet.5570380424

By:

Showalter, H. D. Hollis;
Sercel, Anthony D.;
Stier, Michael A.;
Turner, William R.

Publication type:

Article

Random optimizations for direct heteronuclear correlations.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 843, doi. 10.1002/jhet.5570380406

By:

Hadden, Chad E.;
Moon, Joe B.;
Hadden, Daneen T. A.

Publication type:

Article

Synthesis of thiophene/phenylene co-oligomers. III.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 923, doi. 10.1002/jhet.5570380417

By:

Hotta, S.

Publication type:

Article

Studies with enaminones: synthesis of new coumarin-3-yl azoles, coumarin-3-yl azines, coumarin-3-yl azoloazines, coumarin-3-yl pyrone and coumarin-2-yl benzo[ b]Furans.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 981, doi. 10.1002/jhet.5570380428

By:

El-Taweel, Fathy Mohamed Abel Aziz;
Elnagdi, Mohamed Hilmy

Publication type:

Article

Synthesis of new pyrazolo[1,5- a]pyrimidines and pyrazolo[3,4- b]pyridines.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 989, doi. 10.1002/jhet.5570380430

By:

Al-Mousawi, Saleh M.;
Mohammad, Mohammad A.;
Elnagdi, Mohamad H.

Publication type:

Article

Recent trends in the Chemistry of fluorinated five and six-membered heterocycles.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 793, doi. 10.1002/jhet.5570380401

By:

Erian, Ayman Wahba

Publication type:

Article

Synthesis and characterization of new heterocyclic derivatives by oxidation of 1-amino-2-methylindoline.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 885, doi. 10.1002/jhet.5570380412

By:

Peyrot, L.;
Elkhatib, M.;
Vignalou, J. R.;
Metz, R.;
Elomar, F.;
Delalu, H.

Publication type:

Article

A kinetic study of the high temperature rearrangement of 4-ethyl-3,5-diphenyl-4 H-1,2,4-triazole.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 955, doi. 10.1002/jhet.5570380423

By:

Gautun, Odd R.;
Carlsen, Per H. J.

Publication type:

Article

A facile synthesis of biogenetic precursor, puerarone, isolated from Pueraria sp.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 1007, doi. 10.1002/jhet.5570380434

By:

Khan, Riaz A.;
Kapil, Randhir S.

Publication type:

Article

Two-step synthesis of new 1,2,4,5-tetrahydrospiro-[3 H-2-benzazepine-3,4′-piperidines] from 4-iminopiperidines.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 837, doi. 10.1002/jhet.5570380405

By:

Alirio, Palma R.;
Salas, Sandra;
Kouznetsov, Vladimir;
Stashenko, Elena;
Gisela, Montenegro N.;
Angel, Fontela G.

Publication type:

Article

Synthesis and NMR spectroscopic studies of optically active derivatives of γ-aminobutenoic acids and 2-amino-pyrrolin-4-ones.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 917, doi. 10.1002/jhet.5570380416

By:

Petroliagi, Margarita;
Igglessi-Markopoulou, Olga

Publication type:

Article

A short synthesis of the parp inhibitor 2-(4-trifluoro-methylphenyl)benzimidazole-4-carboxamide (NU1077).

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 979, doi. 10.1002/jhet.5570380427

By:

Austen, Steven C.;
Kane, John M.

Publication type:

Article

The synthesis and transformations of 2-[2-ethoxycarbonyl-2-(2-pyridinyl)ethenyl]amino-3-dimethylaminopropenoates. the synthesis of substituted β-amino-α,β-didehydro-a-amino acid derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 859, doi. 10.1002/jhet.5570380409

By:

Jukić, Lucija;
Rečnik, Simon;
Svete, Jurij;
Stanovnik, Branko;
Grdadolnik, Simona GoliČ

Publication type:

Article

Bicyclic [ b]-heteroannulated pyridazine derivatives. 9.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 877, doi. 10.1002/jhet.5570380411

By:

Wejroch, Krystyna;
Lange, Jerzy;
Kielak, Anna;
Karolak-Wojciechowska, Janina;
Sośnicki, Jacek;
Jagodziński, Tadeusz

Publication type:

Article

Studies with enaminones: reactivity of 1,5-disubstituted-1,4-pentadien-3-ones toward electrophilic reagents. a novel route to azolylazines, benzofuranals, pyranones.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 949, doi. 10.1002/jhet.5570380422

By:

Al-Mousawi, Saleh;
El-Sherbiny, Seham;
John, Elizabeth;
Abdel-Khalik, Mervat Mohammed;
Elnagdi, Mohammed Hilmy

Publication type:

Article

An improved synthesis of enantiomerically pure RWJ 69442, a development candidate for the treatment of benign prostatic hyperplasia.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 1003, doi. 10.1002/jhet.5570380433

By:

Kuo, Gee-Hong;
Prouty, Catherine;
Murray, William V.;
Shah, Rekha D.

Publication type:

Article

Quinoxalines X.

Published in:

Journal of Heterocyclic Chemistry, 2001, v. 38, n. 4, p. 829, doi. 10.1002/jhet.5570380404

By:

Sarodnick, Gerhard;
Linker, Torsten

Publication type:

Article

Works matching IS 0022152X AND DT 2001 AND VI 38 AND IP 4

Synthetic approaches to 4,8-dimethyl-5′-( N-pyridiniummethyl)- 4′,5′-dihydropsoralens and 4,8-dimethyl-5′- ( N-aminomethyl)- 4′,5′-dihydropsoralens.

Synthesis of new thienotriazolopyrimidine and thienopyrimidotetrazine derivatives from bifunctional intermediates.

Preparation of pyrrolo[2,1,5- cd]indolizine Derivatives by intramolecular condensation of 3-acyl-5-methylindolizines.

Synthesis and characterization of 7, 16-bis(phenylazo)tetraaza[14]annulenes.

Reactions of alkyl (z)-2-[( E)-2-ethoxycarbonyl-2-(2-pyridinyl)-ethenyl]amino-3-dimethylaminopropenoates with C- and N-nucleophiles. the synthesis of fused pyranones, pyridinones and pyrimidinones.

Pyridazines 93.

About 1-triphenylmethyl-3- tert-butylaziridinone and some of its reactions.

An easy route to 2-substituted-2,3-dihydro-5(7) H-oxazolo[3,2- a]pyrimidin-5-ones and 7-ones starting from the corresponding 2-amino-2-oxazolines.

A simple one pot synthesis of condensed 1,2,4-triazines by using the tandem a<sub>N-</sub>S<sub>N</sub><sup>ipso</sup> and S<sub>N</sub><sup>H</sup>-S<sub>N</sub><sup>ipsa</sup> reactions.

A library of pyranocoumarin derivatives via a one-pot three-component hetero diels-alder reaction.

Spectroscopic analysis of imidazolidines. Part II: <sup>1</sup>H NMR spectroscopy and conformational analysis of 1,2 and 1,3-diarylimidazolidines.

Efficient one-pot synthesis of s-triazolo[3,4- b]-[1,3,5]thiadiazines containing a chiral side chain by double mannich type reaction.

Synthesis of bis-heteroaryl piperazine derivatives as potential reverse transcriptase inhibitors.

A new synthesis of 4-cyano-1,3-dihydro-2-oxo-2 H-imidazole-5-(N<sup>1</sup>-tosy1)carboxamide : reactive precursor for thiopurine analogues.

Synthesis of pyridazinone-substituted 1,3,4-thiadiazoles, -1,3,4-oxadiazoles and -1,2,4-triazoles.

Recent trends in isomeric thienoquinoxalines [1980-2000].

1 H-4,5,6,7-Tetrahydro-1,3-diazepines. part II: basicity and hydrolysis of 1, 2-diaryl derivatives.

Synthesis of 3,4-dihydro-1(2 H)-isoquinolinonesxs.

Random optimizations for direct heteronuclear correlations.

Synthesis of thiophene/phenylene co-oligomers. III.

Studies with enaminones: synthesis of new coumarin-3-yl azoles, coumarin-3-yl azines, coumarin-3-yl azoloazines, coumarin-3-yl pyrone and coumarin-2-yl benzo[ b]Furans.

Synthesis of new pyrazolo[1,5- a]pyrimidines and pyrazolo[3,4- b]pyridines.

Recent trends in the Chemistry of fluorinated five and six-membered heterocycles.

Synthesis and characterization of new heterocyclic derivatives by oxidation of 1-amino-2-methylindoline.

A kinetic study of the high temperature rearrangement of 4-ethyl-3,5-diphenyl-4 H-1,2,4-triazole.

A facile synthesis of biogenetic precursor, puerarone, isolated from Pueraria sp.

Two-step synthesis of new 1,2,4,5-tetrahydrospiro-[3 H-2-benzazepine-3,4′-piperidines] from 4-iminopiperidines.

Synthesis and NMR spectroscopic studies of optically active derivatives of γ-aminobutenoic acids and 2-amino-pyrrolin-4-ones.

A short synthesis of the parp inhibitor 2-(4-trifluoro-methylphenyl)benzimidazole-4-carboxamide (NU1077).

The synthesis and transformations of 2-[2-ethoxycarbonyl-2-(2-pyridinyl)ethenyl]amino-3-dimethylaminopropenoates. the synthesis of substituted β-amino-α,β-didehydro-a-amino acid derivatives.

Bicyclic [ b]-heteroannulated pyridazine derivatives. 9.

Studies with enaminones: reactivity of 1,5-disubstituted-1,4-pentadien-3-ones toward electrophilic reagents. a novel route to azolylazines, benzofuranals, pyranones.

An improved synthesis of enantiomerically pure RWJ 69442, a development candidate for the treatment of benign prostatic hyperplasia.

Quinoxalines X.