Works matching IS 0022152X AND DT 2009 AND VI 46 AND IP 4

Results: 38

Synthesis, characterization, and anti-inflammatory evaluation of 1,2,4-oxadiazoles combined with thiosemicarbazide and 1,3,4-oxadiazole moieties.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 722, doi. 10.1002/jhet.133

By:

dos Santos Filho, José M.;
de Lima, José G.;
Leite, Lúcia F. C. C.

Publication type:

Article

Synthesis of [1,2,4]triazolo[3,4- b][1,3]thiazine-5-carboxylates via one-pot reaction of N-substituted-hydrazino-carbothioamides with diethyl maleate.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 687, doi. 10.1002/jhet.173

By:

Aly, Ashraf A.;
Hassan, Alaa A.;
Ibrahim, Yusria R.;
Abdel-Aziz, Mohamed

Publication type:

Article

Synthesis and characteristic of 5,6-dinitro and 5,6-diaminobenzimidazolone-2.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 788, doi. 10.1002/jhet.104

By:

Yang, Zehui;
Wang, Jiarong;
Li, Linglan;
Ye, Chuping;
Liu, Hui

Publication type:

Article

Friedel-Crafts heteroarylation of (hetero)arenes: A facile entry to 4-(hetero)aryl quinazolines and quinolines.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 748, doi. 10.1002/jhet.144

By:

Kumar, Shailesh;
Sahu, Devi Prasad

Publication type:

Article

Dicyanomethylene compounds and heterocyclization of substituted carbohydrazides.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 616, doi. 10.1002/jhet.115

By:

Hassan, Alaa A.;
Ibrahim, Yusria R.;
Shawky, Ahmed M.

Publication type:

Article

A convenient approach to the canthin-4-one ring system: Total synthesis of the alkaloids tuboflavine and norisotuboflavine.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 770, doi. 10.1002/jhet.126

By:

Puzik, Andreas;
Bracher, Franz

Publication type:

Article

Substituent-dependence of photophysical properties of trans-2-styrylpyridazin-3(2 H)-ones.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 691, doi. 10.1002/jhet.137

By:

Kim, Bo Ram;
Cho, Su-Dong;
Lee, Hyung-Geun;
Yim, Heung-Seop;
Kim, Min-Jung;
Hwang, Jaeyoung;
Park, Song-Eun;
Kim, Jeum-Jong;
Jung, Kwang-Ju;
Yoon, Yong-Jin

Publication type:

Article

Synthesis of novel pyrazole-linked norcantharidin derivatives of substituted aromatic amines with efficient 1,3-dipolar cycloaddition.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 640, doi. 10.1002/jhet.119

By:

Deng, Liping;
Tao, Weifeng;
Lv, Jianguo;
Wang, Wei

Publication type:

Article

Molecular interaction between free base meso-tetraarylporphyrins and o-chloranil.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 610, doi. 10.1002/jhet.91

By:

Dehghani, Hossein;
Farshchian, Mahmood

Publication type:

Article

Preparation of 5-nitro-2-amino[ b]thiophenes and 1-(2-amino-5-nitrophenyl)ethanones via microwave irradiation.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 599, doi. 10.1002/jhet.88

By:

Rais, Afsha;
Ankati, Haribabu;
Biehl, Ed

Publication type:

Article

One-pot synthesis of quinazoline-2,4(1 H,3 H)-diones and 2-thioxoquinazolinones with the aid of low-valent titanium reagent.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 645, doi. 10.1002/jhet.121

By:

Dou, Guo-Lan;
Wang, Man-Man;
Huang, Zhi-Bin;
Shi, Da-Qing

Publication type:

Article

Poly(ethyleneglycol): A versatile and recyclable reaction medium in gaining access to benzo[4,5]imidazo[1,2- a]pyrimidines under microwave heating.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 664, doi. 10.1002/jhet.132

By:

Wang, Shu-Liang;
Hao, Wen-Juan;
Tu, Shu-Jiang;
Zhang, Xiao-Hong;
Cao, Xu-Dong;
Yan, Shu;
Wu, Shan-Shan;
Han, Zheng-Guo;
Shi, Feng

Publication type:

Article

Microwave-assisted multicomponent reaction for the synthesis of new and significative bisfunctional compounds containing two furo[3,4- b]quinoline and acridinedione skeletons.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 742, doi. 10.1002/jhet.143

By:

Wang, Xing-Han;
Hao, Wen-Juan;
Tu, Shu-Jiang;
Zhang, Xiao-Hong;
Cao, Xu-Dong;
Yan, Shu;
Wu, Shan-Shan;
Han, Zheng-Guo;
Shi, Feng

Publication type:

Article

Hafnium (IV) bis(perfluorooctanesulfonyl)amide-catalyzed one-pot synthesis of substituted quinolines in fluorous media.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 796, doi. 10.1002/jhet.125

By:

Shen, Ming-Gui;
Cai, Chun;
Yi, Wen-Bin

Publication type:

Article

Formation of an unusual product in the reaction of a 1,2,5-thiadiazolidine 1,1-dioxide-derived thioether with sulfuryl chloride.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 669, doi. 10.1002/jhet.136

By:

Dou, Dengfeng;
Talaty, Erach R.;
Moore, Curtis E.;
Bullinger, John C.;
Eichhorn, David M.;
Groutas, William C.

Publication type:

Article

Efficient synthesis of 5-(2-hydroxyethyl)-2-phenylimino- 1,3-thiazolidin-4-ones and 5-(2-hydroxyethyl)-2-phenylamino-4,5-dihydro-1,3-thiazol-4-ones.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 635, doi. 10.1002/jhet.118

By:

Váňa, Jiří;
Hanusek, Jiří;
Růžička, Aleš;
Sedlák, Miloš

Publication type:

Article

Synthesis of novel amide-crownophanes and Schiff base-crownophanes based on p-phenylene, 2,6-naphthalene, and 9,10-anthracene.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 656, doi. 10.1002/jhet.129

By:

Muathen, Hussni A.;
Aloweiny, Nour A. M.;
Elwahy, Ahmed H. M.

Publication type:

Article

Unusual retention of isoxazole ring under the influence of 3-(substituted nitrophenyl)-2-isoxazoline during catalytic hydrogenation of isoxazoline-substituted isoxazole systems.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 762, doi. 10.1002/jhet.87

By:

Singh, Vijay;
Hutait, Samiran;
Yadav, Gaya P.;
Maulik, Prakas R.;
Batra, Sanjay

Publication type:

Article

Synthesis of 2,4,5-triaryl-5 H-chromeno[4,3- b]pyridines under microwave radiation.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 702, doi. 10.1002/jhet.98

By:

Wu, Hui;
Wan, Yu;
Chen, Xiu-Mei;
Chen, Cai-Fa;
Lu, Lei-Lei;
Xin, Hai-Qiang;
Xu, Hua-Hong;
Pang, Li-Ling;
Ma, Rui;
Yue, Cai-Hui

Publication type:

Article

A new method for the synthesis and herbicidal activity of 3-phenoxy-6-( 1H-(substituted)pyrazol-1-yl) pyridazines.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 584, doi. 10.1002/jhet.120

By:

Hu, Fang-Zhong;
Zhang, Gui-Feng;
Liu, Bin;
Zou, Xiao-Mao;
Zhu, You-Quan;
Yang, Hua-Zheng

Publication type:

Article

Facile and selective solvent-free synthesis of 2-isoxazolines under microwave irradiation.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 778, doi. 10.1002/jhet.102

By:

Mouradzadegun, Arash;
Dianat, Shima

Publication type:

Article

Utilization of 2-benzo[ b]furan carboxylic acid hydrazide in the synthesis of 1,3,4-oxadiazole derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 737, doi. 10.1002/jhet.142

By:

Da, Yu-Xia;
Yang, Zhi;
Quan, Zheng-Jun;
Zhang, Zhang;
Wang, Xi-Cun

Publication type:

Article

Synthesis and biological activity of 4-methylene-pyrido[4,3-d]pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 579, doi. 10.1002/jhet.124

By:

Mo, Wenyan;
Yao, Yongyan;
Shen, Yunli;
He, Hongwu;
Gu, Yucheng

Publication type:

Article

TMSCl-mediated one-pot, three-component synthesis of 2 H-indazolo[2,1- b]phthalazine-triones.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 728, doi. 10.1002/jhet.135

By:

Nagarapu, Lingaiah;
Bantu, Rajashaker;
Mereyala, Hari Babu

Publication type:

Article

Ring transformation of spirocyclopropanepyrazoles into pyrano[2,3- c]pyrazoles.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 782, doi. 10.1002/jhet.117

By:

Maruoka, Hiroshi;
Masumoto, Eiichi;
Eishima, Takafumi;
Okabe, Fumi;
Nishida, Sho;
Yoshimura, Yuki;
Fujioka, Toshihiro;
Yamagata, Kenji

Publication type:

Article

New one-step synthesis of pyrazolo[1,5- a]pyrimidine and pyrazolo[1,5- a]quinazoline derivatives via multicomponent reactions.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 708, doi. 10.1002/jhet.128

By:

Ghotekar, Bhausaheb K.;
Jachak, Madhukar N.;
Toche, Raghunath B.

Publication type:

Article

Synthesis and biological screening of some fluorinated dibenzofuran containing 3-chlorochromones and benzothiazepines.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 732, doi. 10.1002/jhet.139

By:

Randhavane, Pratibha;
Karale, Bhausaheb

Publication type:

Article

(±)-1,2-Dialkyl-5-nitro-2,3-dihydro-1 H-indoles by a tandem reductive amination-SNAr reaction.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 629, doi. 10.1002/jhet.82

By:

Bunce, Richard A.;
Nago, Takahiro;
White, Brian

Publication type:

Article

Self termination of ring opening reaction of p-substituted phenol-based benzoxazines: An obstructive effect via intramolecular hydrogen bond.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 714, doi. 10.1002/jhet.130

By:

Chirachanchai, Suwabun;
Laobuthee, Apirat;
Phongtamrug, Suttinun

Publication type:

Article

Convenient synthesis of some new pyrazolo[1,5- a]pyrimidine, pyridine, thieno[2,3- b]pyridine, and isoxazolo[3,4- d]pyridazine derivatives containing benzofuran moiety.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 680, doi. 10.1002/jhet.141

By:

Abdelhamid, Abdou O.

Publication type:

Article

Ionic liquid catalyzed expeditious synthesis of 2-aryl-2,3-dihydroquinolin-4(1 H)-ones and 2-aryl-2,3-dihydro-4 H-chromen-4-ones under microwave irradiation.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 791, doi. 10.1002/jhet.123

By:

Kumar, Dalip;
Patel, Gautam;
Kumar, Anil;
K. Roy, Ram

Publication type:

Article

An efficient two-step synthesis of novel thiazolo[2,3- b]pyrazolo[3,4- f][1,3,5]triazepines.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 756, doi. 10.1002/jhet.145

By:

Insuasty, Braulio;
Tigreros, Alexis;
Martínez, Henry;
Quiroga, Jairo;
Abonia, Rodrigo;
Gutierrez, Alexander;
Nogueras, Manuel;
Cobo, Justo

Publication type:

Article

Influence of differently ionized species on fragmentation pathways and energetics of a potential adenosine receptor antagonist using a triple quadrupole and a multistage LTQ-Orbitrap™ FTMS instrument.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 591, doi. 10.1002/jhet.196

By:

Zhong, Wendy;
Irish, Patrick A.;
Martin, Gary E.

Publication type:

Article

Synthesis and characterization of some 3-acyl-4-amino-1-aryl-1 H-pyrazoles.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 650, doi. 10.1002/jhet.127

By:

Šimůnek, Petr;
Svobodová, Markéta;
Macháček, Vladimír

Publication type:

Article

Synthesis and characterization of new phthalhydrazothiazole derivatives: A preliminary investigation on their activity against hepatocellular carcinoma.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 674, doi. 10.1002/jhet.138

By:

Cardia, Maria Cristina;
Distinto, Simona;
Maccioni, Elias;
Plumitallo, Antonio;
Sanna, Laura;
Sanna, Maria Luisa;
Vigo, Sara

Publication type:

Article

1-Alkyl-2,3-dihydro-4(1 H)-quinolinones by a tandem Michael-SNAr annulation reaction.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 623, doi. 10.1002/jhet.70

By:

Bunce, Richard A.;
Nago, Takahiro

Publication type:

Article

Junjappa-Ila annulation: α-Oxoketene dithioacetal mediated synthesis of substituted benzotriazoles.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 774, doi. 10.1002/jhet.85

By:

Shetty, Nitinkumar S.;
Lamani, Ravi S.;
Panchamukhi, Shridhar I.;
Khazi, Imtiyaz Ahmed M.

Publication type:

Article

Regiospecific synthesis of 3 H-pyrido[2,3- b][1,4]diazepin-4(5 H)-ones via haloform reaction with the isolation of N3-[3-oxo-4,4,4-trichloroalk-1-en-1-yl]-2,3-diaminopyridine intermediates.

Published in:

Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 603, doi. 10.1002/jhet.89

By:

Bonacorso, Helio G.;
Lourega, Rogério V.;
Porte, Liliane M. F.;
Deon, Everton D.;
Zanatta, Nilo;
Flores, Alex F. C.;
Martins, Marcos A. P.

Publication type:

Article

Works matching IS 0022152X AND DT 2009 AND VI 46 AND IP 4

Synthesis, characterization, and anti-inflammatory evaluation of 1,2,4-oxadiazoles combined with thiosemicarbazide and 1,3,4-oxadiazole moieties.

Synthesis of [1,2,4]triazolo[3,4- b][1,3]thiazine-5-carboxylates via one-pot reaction of N-substituted-hydrazino-carbothioamides with diethyl maleate.

Synthesis and characteristic of 5,6-dinitro and 5,6-diaminobenzimidazolone-2.

Friedel-Crafts heteroarylation of (hetero)arenes: A facile entry to 4-(hetero)aryl quinazolines and quinolines.

Dicyanomethylene compounds and heterocyclization of substituted carbohydrazides.

A convenient approach to the canthin-4-one ring system: Total synthesis of the alkaloids tuboflavine and norisotuboflavine.

Substituent-dependence of photophysical properties of trans-2-styrylpyridazin-3(2 H)-ones.

Synthesis of novel pyrazole-linked norcantharidin derivatives of substituted aromatic amines with efficient 1,3-dipolar cycloaddition.

Molecular interaction between free base meso-tetraarylporphyrins and o-chloranil.

Preparation of 5-nitro-2-amino[ b]thiophenes and 1-(2-amino-5-nitrophenyl)ethanones via microwave irradiation.

One-pot synthesis of quinazoline-2,4(1 H,3 H)-diones and 2-thioxoquinazolinones with the aid of low-valent titanium reagent.

Poly(ethyleneglycol): A versatile and recyclable reaction medium in gaining access to benzo[4,5]imidazo[1,2- a]pyrimidines under microwave heating.

Microwave-assisted multicomponent reaction for the synthesis of new and significative bisfunctional compounds containing two furo[3,4- b]quinoline and acridinedione skeletons.

Hafnium (IV) bis(perfluorooctanesulfonyl)amide-catalyzed one-pot synthesis of substituted quinolines in fluorous media.

Formation of an unusual product in the reaction of a 1,2,5-thiadiazolidine 1,1-dioxide-derived thioether with sulfuryl chloride.

Efficient synthesis of 5-(2-hydroxyethyl)-2-phenylimino- 1,3-thiazolidin-4-ones and 5-(2-hydroxyethyl)-2-phenylamino-4,5-dihydro-1,3-thiazol-4-ones.

Synthesis of novel amide-crownophanes and Schiff base-crownophanes based on p-phenylene, 2,6-naphthalene, and 9,10-anthracene.

Unusual retention of isoxazole ring under the influence of 3-(substituted nitrophenyl)-2-isoxazoline during catalytic hydrogenation of isoxazoline-substituted isoxazole systems.

Synthesis of 2,4,5-triaryl-5 H-chromeno[4,3- b]pyridines under microwave radiation.

A new method for the synthesis and herbicidal activity of 3-phenoxy-6-( 1H-(substituted)pyrazol-1-yl) pyridazines.

Facile and selective solvent-free synthesis of 2-isoxazolines under microwave irradiation.

Utilization of 2-benzo[ b]furan carboxylic acid hydrazide in the synthesis of 1,3,4-oxadiazole derivatives.

Synthesis and biological activity of 4-methylene-pyrido[4,3-d]pyrimidines.

TMSCl-mediated one-pot, three-component synthesis of 2 H-indazolo[2,1- b]phthalazine-triones.

Ring transformation of spirocyclopropanepyrazoles into pyrano[2,3- c]pyrazoles.

New one-step synthesis of pyrazolo[1,5- a]pyrimidine and pyrazolo[1,5- a]quinazoline derivatives via multicomponent reactions.

Synthesis and biological screening of some fluorinated dibenzofuran containing 3-chlorochromones and benzothiazepines.

(±)-1,2-Dialkyl-5-nitro-2,3-dihydro-1 H-indoles by a tandem reductive amination-S<sub>N</sub>Ar reaction.

Self termination of ring opening reaction of p-substituted phenol-based benzoxazines: An obstructive effect via intramolecular hydrogen bond.

Convenient synthesis of some new pyrazolo[1,5- a]pyrimidine, pyridine, thieno[2,3- b]pyridine, and isoxazolo[3,4- d]pyridazine derivatives containing benzofuran moiety.

Ionic liquid catalyzed expeditious synthesis of 2-aryl-2,3-dihydroquinolin-4(1 H)-ones and 2-aryl-2,3-dihydro-4 H-chromen-4-ones under microwave irradiation.

An efficient two-step synthesis of novel thiazolo[2,3- b]pyrazolo[3,4- f][1,3,5]triazepines.

Influence of differently ionized species on fragmentation pathways and energetics of a potential adenosine receptor antagonist using a triple quadrupole and a multistage LTQ-Orbitrap™ FTMS instrument.

Synthesis and characterization of some 3-acyl-4-amino-1-aryl-1 H-pyrazoles.

Synthesis and characterization of new phthalhydrazothiazole derivatives: A preliminary investigation on their activity against hepatocellular carcinoma.

1-Alkyl-2,3-dihydro-4(1 H)-quinolinones by a tandem Michael-S<sub>N</sub>Ar annulation reaction.

Junjappa-Ila annulation: α-Oxoketene dithioacetal mediated synthesis of substituted benzotriazoles.

Regiospecific synthesis of 3 H-pyrido[2,3- b][1,4]diazepin-4(5 H)-ones via haloform reaction with the isolation of N<sup>3</sup>-[3-oxo-4,4,4-trichloroalk-1-en-1-yl]-2,3-diaminopyridine intermediates.