Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 2

Results: 65

The preparation of some tetradecyl-substituted benzocarbazoles and benzacridines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 321, doi. 10.1002/jhet.5570280220

By:

Katritzky, Alan R.;
Wang, Zuoquan;
Savage, G. Paul

Publication type:

Article

Polycyclic N-hetero compounds. XXXVII. A convenient synthesis and evaluation of anti-platelet aggregation activity of 1,2,4,5-tetrahydro[1]- benzothiepino[4,5- e]imidazo[1,2- c]pyrimidine and its related compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 513, doi. 10.1002/jhet.5570280260

By:

Nagamatsu, Tomohisa;
Kinoshita, Keiichi;
Sasaki, Kenji;
Nakayama, Taiji;
Hirota, Takashi

Publication type:

Article

Directed regiospecificity of 1,3-dipolar cycloaddition of 2-diazopropane to 4- and 5-substituted pyridazin-3(2 H)-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 369, doi. 10.1002/jhet.5570280231

By:

Jelen, Boris;
Štimac, Anton;
Stanovnik, Branko;
Tišler, Miha

Publication type:

Article

Synthesis of the piperidinone metabolites of piperidine type phenothiazine antipsychotic drugs via ruthenium tetroxide oxidation.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 215, doi. 10.1002/jhet.5570280202

By:

Lin, G.;
Midha, K. K.;
Hawes, E. M.

Publication type:

Article

1,3-Dipolar cycloaddition reactions of nitrile oxides and nitrile imines with 2-methoxyvinyl phenyl ketone.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 429, doi. 10.1002/jhet.5570280242

By:

Coutouli-Argyropoulou, E.;
Thessalonikeos, E.

Publication type:

Article

Metallation of diazines. III. New synthesis of analogues of trimethoprim and of bacimethrin.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 283, doi. 10.1002/jhet.5570280213

By:

Ple, N.;
Turck, A.;
Fiquet, E.;
Queguiner, G.

Publication type:

Article

Intermolecular 1,3-dipolar cycloaddition of benzonitrile oxide to 2 H-1,3-benzothiazines and hexahydro-4 H-1,3-benzothiazine.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 481, doi. 10.1002/jhet.5570280253

By:

Szabó, János;
Fodor, Lajos;
Bernáth, Gábor;
Talpas, Gizella S.;
Bani-Akoto, Ernest;
Sohár, Pál

Publication type:

Article

Acid-catalysed rearrangement of 1-oximinoacridine-1,9-diones. synthesis of novel 4,5-dihydro-3 H-isoxazolo[3,4,5- kl]acridines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 337, doi. 10.1002/jhet.5570280224

By:

Venugopalan, B.;
Bapat, C. P.;
De Souza, E. P.;
De Souza, N. J.

Publication type:

Article

Regio- and stereochemistry of the photo-ring contraction of 4-pyrones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 537, doi. 10.1002/jhet.5570280264

By:

Pavlik, James W.;
Kirincich, Steven J.;
Pires, Richard M.

Publication type:

Article

Carbon-13 nuclear magnetic resonance spectra of 1,2,3,4-tetrahydroquinazoline and some 3-benzyl derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 391, doi. 10.1002/jhet.5570280235

By:

Gravier, D.;
Dupin, J.-P.;
Casadebaig, F.;
Hou, G.;
Petraud, M.;
Moulines, J.;
Barbe, B.

Publication type:

Article

Synthesis and biological evaluation of 5-(1-alkoxy-2-haloethyl)-2′-deoxyuridines and related uracil analogues.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 237, doi. 10.1002/jhet.5570280206

By:

Kumar, Rakesh;
Wiebe, Leonard I.;
Knaus, E. E.;
Tempest, Mark L.

Publication type:

Article

Study of the transformation products of the oxime of 2,7-dioxo-3-methyl-5-phenyl-2,3,5,6-tetrahydrocyclopenta[ f]benzoxazole.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 449, doi. 10.1002/jhet.5570280246

By:

Barbry, Didier;
Couturier, Daniel;
Abdellatifi, Noureddine;
Lesieur, Daniel;
Lespagnol, Charles

Publication type:

Article

Synthesis and properties of furo[4,3,2- de][1]benzopyran.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 305, doi. 10.1002/jhet.5570280217

By:

Tanemura, Kiyoshi;
Suzuki, Tsuneo;
Horaguchi, Takaaki;
Sudo, Mikio

Publication type:

Article

Nitrogen Bridgehead Compounds. Part 79.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 497, doi. 10.1002/jhet.5570280257

By:

Tóth, Gábor;
Kovács, Attila;
Balogh, Mária;
Hermecz, István

Publication type:

Article

Saturated heterocycles. 176.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 353, doi. 10.1002/jhet.5570280228

By:

Bernáth, Gábor;
Fölöp, Ferenc;
Árva, Judit;
Kóbor, Jenö;
Sohár, Pál

Publication type:

Article

Synthesis and characterization of alkyl-, alkenyl-, acyl- and nitrogen-substituted derivatives of the potent phototoxin α-terthiophene.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 411, doi. 10.1002/jhet.5570280239

By:

Soucy-Breau, Chantal;
Eachern, Anita Mac;
Leitch, Leonard C.;
Arnason, Thor;
Morand, Peter

Publication type:

Article

Heterocyclic variants of the 1,5-benzodiazepine system. VI. Derivatives of 2-methylthio-4-( p-r-phenyl)-3 H-1,5-benzodiazepines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 365, doi. 10.1002/jhet.5570280230

By:

Cortés, Eduardo;
Martínez, Roberto;
Ugalde, Martha;
Maldonado, Napoleón

Publication type:

Article

Synthesis and 1H NMR characterization of substituted 1-amino-9-imino-4-nitro-9,10-dihydr oacridines as potential antitumor agents.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 209, doi. 10.1002/jhet.5570280201

By:

Cholody, Wieslaw M.;
Konopa, Jerzy;
Antonini, Ippolito;
Martelli, Sante

Publication type:

Article

1,3-Dipolar cycloadditions of diazoalkanes to pyridazine derivatives. Thermal 1,5-sigmatropic rearrangement of methyl groups in 3,3-dimethyl-3 H-pyrazolo[3,4- d]pyridazine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 425, doi. 10.1002/jhet.5570280241

By:

Stanovnik, Branko;
Jelen, Boris;
Štimac, Anton;
Tišler, Miha

Publication type:

Article

Synthesis and hydrolysis of substituted tetrahydropyrimidinium salts. Behaviour of the degradation products on varying pH.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 273, doi. 10.1002/jhet.5570280212

By:

Reverdito, Ana M.;
Orelli, Liliana;
Dalmaso, Mónica;
Perillo, Isabel;
Fernández, Beatriz M.

Publication type:

Article

Synthesis of a phenylazo-derivative of a 1,2,3-thiadiazolium methylide. C-13/N-15 NMR characterization and crystal structure analysis.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 477, doi. 10.1002/jhet.5570280252

By:

L'abbé, Gerrit;
Frederix, Ann;
Toppet, Suzanne;
Declercq, Jean-Paul

Publication type:

Article

Cycloaddition-elimination reactions of 4-methyl-5-phenylimino-Δ2-1,2,3,4-thiatriazoline with electrophilic nitriles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 333, doi. 10.1002/jhet.5570280223

By:

L'abbé, Gerrit;
Sannen, Ingrid

Publication type:

Article

An anomalous reaction of 7-chloro-2-hydrazono-5-phenyl-1,2-dihydro-3 H-1,4-benzodiazepine with sodium acetate and 1,1′-carbonyldiimidazole.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 533, doi. 10.1002/jhet.5570280263

By:

Banks, William R.;
Hawi, Amale A.;
Digenis, George A.

Publication type:

Article

Synthesis of novel acyclonucleosides. Reactions of 1-(2-oxopropyl)pyridazin-6-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 385, doi. 10.1002/jhet.5570280234

By:

Choi, Sam-Yong;
Shin, Sung Chul;
Yoon, Yong-Jin

Publication type:

Article

Novel pyrimidine and pyrimido[1,2- a]pyrimidine derivatives. By-products of a guanidine based thymine synthesis.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 231, doi. 10.1002/jhet.5570280205

By:

Stoss, Peter;
Kaes, Elmar;
Eibel, Guenter;
Thewalt, Ulf

Publication type:

Article

The synthesis of some benzo[ d,d']diisothiazoles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 445, doi. 10.1002/jhet.5570280245

By:

Mckinnon, David M.;
Abouzeid, Azza A.

Publication type:

Article

An improved procedure for the preparation of 1-benzyl-1 H-1,2,3-triazoles from benzyl azides.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 301, doi. 10.1002/jhet.5570280216

By:

Cottrell, Ian F.;
Hands, David;
Houghton, Peter G.;
Humphrey, Guy R.;
Wright, Stanley H. B.

Publication type:

Article

Studies of pyridazine compounds. XXVI.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 493, doi. 10.1002/jhet.5570280256

By:

Varga, Ildikò;
Jerkovich, Gyula;
Màtyus, Péter

Publication type:

Article

Nitration of dithieno[3,4- b:3′,2′- d]pyridine and dithieno[2,3- b:3′,2′- d]pyridine.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 351, doi. 10.1002/jhet.5570280227

By:

Gronowitz, Salo;
Szabo, Kalman J.;
Oluwadiya, James O.

Publication type:

Article

Cycloaddition-elimination reactions of 4-methyl-5-(substituted)-imino-Δ2-1,2,3,4-thiatriazolines with isocyanates.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 405, doi. 10.1002/jhet.5570280238

By:

L'abbé, Gerrit;
Weyns, Nancy;
Sannen, Ingrid;
Delbeke, Pieter;
Toppet, Suzanne

Publication type:

Article

Polycyclic N-hetero compounds. XXXVI. Syntheses and antidepressive evaluation of 11,13,15,17-tetraazasteroids and their 17-oxides.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 257, doi. 10.1002/jhet.5570280209

By:

Hirota, Takashi;
Sasaki, Kenji;
Yamamoto, Hiroshi;
Nakayama, Taiji

Publication type:

Article

Potential DNA bis-intercalating agents. Bridged bis-(6-chloropurines) and related compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 465, doi. 10.1002/jhet.5570280249

By:

Párkányi, Cyril;
Yuan, Hui Liang;
Tsai, Meng-Kan Michael

Publication type:

Article

1,3-Dipolar cycle-addition of 2-diazoalkanes to pyridazin-3(2 H)-one derivatives. The formation of 3 H-pyrazolo[3,4- d]pyridazin-4(5 H)-one and 3 H-pyrazolo[3,4- d]pyridazin-7(6 H)-one derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 417, doi. 10.1002/jhet.5570280240

By:

Štimac, Anton;
Stanovnik, Branko;
Tišler, Miha

Publication type:

Article

Polycyclic N-hetero compounds. XXXVIII. Synthesis and evaluation of antidepressive activity of [1]benzothieno[2′,3′:4,5]furo[3,2- d]primidines and their precursors.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 269, doi. 10.1002/jhet.5570280211

By:

Sasaki, Kenji;
Tashima, Yohsuke;
Nakayama, Taiji;
Hirota, Takashi

Publication type:

Article

The syntheses of 4b,5a-dihydrodibenz[3,4:5,6]anthra[1,2- b]oxirene and 4b,5a-dihydro-5 H-dibenz[3,4:5,6]anthra[1,2- b]azirine.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 473, doi. 10.1002/jhet.5570280251

By:

Abu-Shqara, Elias;
Blum, Jochanan

Publication type:

Article

Asymmetric reduction of 7,8-difluoro-3-methyl-2 H-1,4-benzoxazine. Synthesis of a key intermediate of ( S)-(-)-ofloxacin (DR-3355).

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 329, doi. 10.1002/jhet.5570280222

By:

Atarashi, Shohgo;
Tsurumi, Hideaki;
Fujiwara, Toshihiro;
Hayakawa, Isao

Publication type:

Article

Synthesis of various 5-substituted 2′-deoxy-3′-5′-di- O-acetyluridines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 529, doi. 10.1002/jhet.5570280262

By:

Peters, Dan;
Hörnfeldt, Anna-Britta;
Gronowitz, Salo;
Johansson, Nils Gunnar

Publication type:

Article

Synthesis of new benzofuro and indolobenzoazepin-6-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 379, doi. 10.1002/jhet.5570280233

By:

Viti, Giovanni;
Giannotti, Danilo;
Nannicini, Rossano;
Ricci, Renzo;
Pestellini, Vittorio

Publication type:

Article

Synthesis of 2,5-diethyl-3,4-bis(trifluoromethyl)furan and its derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 225, doi. 10.1002/jhet.5570280204

By:

Nishida, Masakazu;
Hayakawa, Yoshio;
Matsui, Masaki;
Shibata, Katsuyoshi;
Muramatsu, Hiroshige

Publication type:

Article

Synthesis of a proposed isomer of F420 having α-glutamyl bonding.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 439, doi. 10.1002/jhet.5570280244

By:

Kimachi, Tetsutaro;
Tanaka, Kiyoshi;
Yoneda, Fumio

Publication type:

Article

Ladder oligophenothiazines by direct thionation of N-Arylanilino Derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 295, doi. 10.1002/jhet.5570280215

By:

Andreani, Franco;
Bizzarri, Paolo Costa;
Casa, Carlo Delia;
Fiorini, Maurizio;
Salatelli, Elisabetta

Publication type:

Article

Syntheses and reactions of [1,3,4]thiadiazolo[3,2- a]pyrimidinone derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 489, doi. 10.1002/jhet.5570280255

By:

Tsuji, Tadakazu

Publication type:

Article

The synthesis of two benzo[ c:d′]diisothiazoles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 347, doi. 10.1002/jhet.5570280226

By:

Mckinnon, David M.;
Abouzeid, Azza

Publication type:

Article

Synthesis of new imidazole derivatives as potential inhibitors of thromboxane synthetase. II.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 401, doi. 10.1002/jhet.5570280237

By:

Banfi, Aldo;
Benedini, Francesca;
Sala, Alberto

Publication type:

Article

Electron ionization mass spectra of some 4β-phenyl-substituted cycloalkane- cis-fused 1,3-oxazin-2(3 H)-ones, -2(3 H)-thiones and 1,4-oxazepin-3(4 H)-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 253, doi. 10.1002/jhet.5570280208

By:

Vainiotalo, Pirjo;
Ronkanen, Sari;
Stájer, Géza;
Bernáth, Gábor;
Pihlaja, Kalevi

Publication type:

Article

Substitutions homolytiques intramoléculaires. 17. Décomposition de peroxydes de ϵ-alcényle et de t-butyle. Accès à des tétrahydropyranes substitués.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 459, doi. 10.1002/jhet.5570280248

By:

Montaudon, E.;
Campagnole, M.;
Flies, F.;
Maillard, B.

Publication type:

Article

Nouvelle synthèse des composés polysubstitués d'esters de l'acide pyrrolecarboxylique-3 par réarrangement d'époxy-1,2 pyrrolidines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 317, doi. 10.1002/jhet.5570280219

By:

Dehnel, André;
Kanabus-Kaminska, Jolanta M.

Publication type:

Article

Palladium-catalyzed conjugate addition type reaction of 5-iodopyrimidines with α,β-unsaturated ketones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 509, doi. 10.1002/jhet.5570280259

By:

Wada, Akimori;
Ohki, Kazuhiro;
Nagai, Sotoo;
Kanatomo, Shōichi

Publication type:

Article

Polycyclic N-hetero compounds. XXXIV. Syntheses and evaluation of antidepressive activity of benzofuro-[2,3- e]imidazo[1,2- c]pyrimidines and their precursors.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 263, doi. 10.1002/jhet.5570280210

By:

Hirota, Takashi;
Sasaki, Kenji;
Tashima, Yohsuke;
Nakayama, Taiji

Publication type:

Article

Preparation of N,N′-di pivot lariat 1,4-diaza-15-crown-5 and 18-crown-6 macrocycles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 469, doi. 10.1002/jhet.5570280250

By:

An, Haoyun;
Bradshaw, Jerald S.;
Izaat, Reed M.

Publication type:

Article