Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 5

Results: 49

Synthesis and cytotoxic activity of 2-dialkylamino-alkyl-1,3-dihydropyrrolo[3,4- c]quinoline-1,3-diones and 6-(2-dimethylaminoethyl)-1 H-dibenz[ c,e]azepine-5,7-dione.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1173, doi. 10.1002/jhet.5570280502

By:

Ganjian, I.;
Khorshidi, M.;
Lalezari, I.

Publication type:

Article

Pyridazines. LIX.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1441, doi. 10.1002/jhet.5570280542

By:

Haider, Norbert;
Heinisch, Gottfried;
Wanko, Richard

Publication type:

Article

Ring transformations of heterocycles. Part 1. Transformation of 4-amino-Δ2-1,2,4-oxadiazolines into 1,3,4-oxadiazoles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1229, doi. 10.1002/jhet.5570280513

By:

El-Abadelah, M. M.;
Nazer, M. Z.;
Hussein, A. Q.;
Awadallah, A. M.;
Rademacher, P.;
Woydt, M.

Publication type:

Article

The synthesis of substituted [1]benzothieno[2,3- c]quinolines and their N-methyl quaternary salts.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1309, doi. 10.1002/jhet.5570280524

By:

Luo, Jiann-Kuan;
Musmar, M. J.;
Castle, Raymond N.

Publication type:

Article

Benzofurans. Improved syntheses of bufuralol, 7-ethyl-2-(2- tert-butylamino-1-hydroxyethyl)benzofuran, and 1″-oxobufuralol, 7-acetyl-2-(2- tert-butylamino-1-hydroxyethyl)benzofuran.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1395, doi. 10.1002/jhet.5570280535

By:

Weerawarna, S. Ananda;
Guha-Biswas, Michael;
Nelson, Wendel L.

Publication type:

Article

Protonation studies on the oximes of some 7-acetyl-1,2-benzisothiazoles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1193, doi. 10.1002/jhet.5570280506

By:

Mckinnon, David M.;
Abouzeid, Azza A.

Publication type:

Article

A convenient synthesis of ethyl 2-(4-nitrophenyl)-3,4-disubstituted and c-fused thiophene-5-carboxylates.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1455, doi. 10.1002/jhet.5570280546

By:

Rangnekar, D. W.;
Mavlankar, S. V.

Publication type:

Article

Ring transformations by ring-chain-transfer. V.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1257, doi. 10.1002/jhet.5570280517

By:

Paätzel, Michael;
Liebscher, Jürgen

Publication type:

Article

Regioselective synthesis of 3(or 5)-styryl-/(4-aryl-1,3-butadienyl)-/(6-aryl-1,3,5-hexatrienyl)-5(or 3)-(methylthio)isoxazoles and pyrazoles via α-oxoketene dithioacetals.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1341, doi. 10.1002/jhet.5570280528

By:

Purkayastha, M. L.;
Patro, B.;
Ila, H.;
Junjappa, H.

Publication type:

Article

Substituent effect on oxidative cyclization of aldehyde thiosemicarbazones with ferric chloride.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1421, doi. 10.1002/jhet.5570280539

By:

Noto, Renato;
Buccheri, Francesco;
Cusmano, Giuseppe;
Gruttadauria, Michelangelo;
Werber, Giuseppe

Publication type:

Article

Further studies on the synthesis of quinazolines from 2-fluorobenzonitriles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1357, doi. 10.1002/jhet.5570280530

By:

Hynes, John B.;
Tomažič, Alenka;
Parrish, Christie A.;
Fetzer, Oliver S.

Publication type:

Article

Carbazoledioxazines having long alkyl groups. 2. Synthesis of carbazoledioxazines with angular type structure.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1165, doi. 10.1002/jhet.5570280501

By:

Ikeda, Masaaki;
Kitahara, Kiyoshi;
Nishi, Hisao

Publication type:

Article

On the synthesis of 3-amino-2,3-dihydro-1 H-pyrido[3,2,1- kl]phenothiazine 5,5-dioxide and of 3-amino-1,2-dihydro-3 H-dibenzo[ c,jk]pyrido[2,1- c]-1,4-thiazepine 7,7-Dioxide.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1437, doi. 10.1002/jhet.5570280541

By:

Catsoulacos, P.;
Pelecanou, M.;
Camoutsis, Ch.

Publication type:

Article

Carbamoylation of B6 vitamins.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1225, doi. 10.1002/jhet.5570280512

By:

Ponticelli, Fabio;
Marinello, Enrico;
Pagani, Roberto;
Terzuoli, Lucia

Publication type:

Article

Synthesis of 7,8-dihydro-6 H-pyrazolo[3,4- b]quinolin-5-ones and related derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1301, doi. 10.1002/jhet.5570280523

By:

Gatta, Franco;
Pomponi, Massimo;
Marta, Maurizio

Publication type:

Article

Synthesis of benzo-13-crown-4 derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1387, doi. 10.1002/jhet.5570280534

By:

Czech, Bronislaw P.;
Zazulak, Wolodymyr;
Kumar, Anand;
Dalley, N. Kent;
Weiming, Jiang;
Bartsch, Richard A.

Publication type:

Article

Pyrazoles. 6.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1189, doi. 10.1002/jhet.5570280505

By:

Hahn, Marianne;
Heinisch, Gottfried;
Holzer, Wolfgang;
Schwarz, Helga

Publication type:

Article

A convenient synthesis of 3-(4-pyridinyl)quinolines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1453, doi. 10.1002/jhet.5570280545

By:

Singh, Baldev;
Lesher, George Y.

Publication type:

Article

Reaction of enaminones with carbon disulfide: Synthesis of heterocycles using enamino dithiocarboxylates.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1245, doi. 10.1002/jhet.5570280516

By:

Tominaga, Yoshinori;
Okuda, Hiroto;
Kohra, Shinya;
Mazume, Hisako

Publication type:

Article

Synthesis of novel quino[2,3- b][1,5]benzodiazepin-12-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1339, doi. 10.1002/jhet.5570280527

By:

Rao, K. Rama;
Bhanumathi, N.;
Sattur, P. B.

Publication type:

Article

Reaction of 4,5-diamino, 5-amino-4-glucosylamino and 4-amino-5-glucosylaminopyrimidines with nitrous acid. synthesis, anticancer and anti-aids activities of 8-azapurines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1417, doi. 10.1002/jhet.5570280538

By:

Nogueras, M.;
Melguizo, M.;
Quijano, M. L.;
Sánchez, A.

Publication type:

Article

Synthesis of vertical-type bis(pyridodipyrimidines) as a redox catalyst and their autorecycling oxidation of alcohols.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1209, doi. 10.1002/jhet.5570280509

By:

Yamato, Hirotake;
Nagamatsu, Tomohisa;
Yoneda, Fumio

Publication type:

Article

Aziridination of the uracil 5,6-olefinic bond of 3- N-3′,5′-Di- O-tribenzoyl-5-vinyl-2′-deoxyuridine.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1467, doi. 10.1002/jhet.5570280549

By:

Kumar, Rakesh;
Wiebe, Leonard I.;
Knaus, Edward E.;
Nakashima, Thomas T.

Publication type:

Article

Assignment of the proton and carbon NMR spectra of the indoloquinoline alkaloid cryptolepine.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1429, doi. 10.1002/jhet.5570280540

By:

Tackie, Albert N.;
Sharaf, Maged H. M.;
Schiff, Paul L.;
Boye, Gilbert L.;
Crouch, Ronald C.;
Martin, Gary E.

Publication type:

Article

The Synthesis of Octahydro-7-phenylpyrazino[2,1- b][3]benzazepines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1219, doi. 10.1002/jhet.5570280511

By:

Ohnmacht, Cyrus J.;
Mclaren, Frances M.

Publication type:

Article

Alkylation of cycloalkano[ B]indoles via indolylmagnesium salts: Synthesis of 3 h-indoles and oxidative rearrangement to spiro[cycloalkane-1,2′-indolin]-3′-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1293, doi. 10.1002/jhet.5570280522

By:

Rodriguez, JosÈ-Gonzalo;
Andrès, Angel San

Publication type:

Article

Transformations on 2,3,4,5-tetrahydrobenzo[ b][1,4]-dioxocin leading to substituted ortho-nitroaryl azides, benzofuroxans, benzofurazans and related compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1373, doi. 10.1002/jhet.5570280533

By:

Takakis, Ioannis M.;
Hadjimihalakis, Phaedon M.

Publication type:

Article

Synthesis, X-ray crystal structure determination and antiinflammatory activity of the regioisomers: 5-phenyl-6-(4-pyridyl)-2,3-dihydroimidazo[2,1- b]thiazole and 6-phenyl-5-(4-pyridyl)-2,3-dihydroimidazo[2,1- b]thiazole. A structural reassignment.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1181, doi. 10.1002/jhet.5570280504

By:

Shilcrat, Susan C.;
Hill, David T.;
Bender, Paul E.;
Griswold, Don E.;
Paul W.;
Eggleston, Drake S.;
Lantos, Ivan;
Pridgen, Lendon N.

Publication type:

Article

Synthesis of novel c-hetero-fused thiophene derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1449, doi. 10.1002/jhet.5570280544

By:

Rangnekar, D. W.;
Mavlankar, S. V.

Publication type:

Article

New peptide synthesis using the ozonolysate of 2-(1-phthalimido)alkyl-5-phenyloxazoles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1241, doi. 10.1002/jhet.5570280515

By:

Kashima, Choji;
Okada, Rieko;
Arao, Hideki

Publication type:

Article

Products from furans. VII.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1325, doi. 10.1002/jhet.5570280526

By:

Georgiadis, Minas P.;
Couladouros, Elias A.

Publication type:

Article

Synthesis and spectral properties of 4-oxothiazolin-2-yl-[ N-R1-2-( para-R2-phenyl)indol-3-yl] hydrazones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1413, doi. 10.1002/jhet.5570280537

By:

Cortés, Eduardo;
Martínez, Roberto;
Gutiérrez Gómez, Martha B.

Publication type:

Article

Nitration products of substituted 1,3-dihydro-5-phenyl-2 H-1,4-benzodiazepin-2-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1203, doi. 10.1002/jhet.5570280508

By:

Fryer, R. Ian;
Gu, Zi-Qiang;
Todaro, L.

Publication type:

Article

The wolff-kishner reduction of 2-acetonyl pyrazines and pyridines. A novel rearrangement.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1463, doi. 10.1002/jhet.5570280548

By:

Paine, John B.

Publication type:

Article

Photocyclization reactions. Part 2.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1273, doi. 10.1002/jhet.5570280519

By:

Horaguchi, Takaaki;
Tsukada, Chikara;
Hasegawa, Eietsu;
Shimizu, Takahachi;
Suzuki, Tsuneo;
Tanemura, Kiyoshi

Publication type:

Article

Synthesis and stereochemistry of stereoisomeric 1,3-benzoxazino-1,3- and -3,1-benzoxazines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1213, doi. 10.1002/jhet.5570280510

By:

Lázár, László;
Fülöp, Ferenc;
Bernáth, Gábor;
Kálmán, Alajos;
Argay, Gyula

Publication type:

Article

Synthesis of new heterocyclic phenols: 9-Hydroxypyrido[1,2- a]pyrimidin-4-one and Derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1287, doi. 10.1002/jhet.5570280521

By:

Dennin, F.;
Blondeau, D.;
Sliwa, H.

Publication type:

Article

The stereochemical investigation of 8-membered 1,3,6-dioxazocines via NMR.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1369, doi. 10.1002/jhet.5570280532

By:

Nishiyama, Tomihiro;
Iwasaki, Yoshiaki;
Nishikawa, Takeshi;
Miyatake, Shinji;
Yamada, Fukiko

Publication type:

Article

Synthesis and properties of a maleimide fluorescent thiol reagent derived from a naphthopyranone.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1177, doi. 10.1002/jhet.5570280503

By:

Yang, Jun-Rui;
Langmuir, Margaret E.

Publication type:

Article

Reaction of 2,3-dichloro-1,4-naphthoquinone with dithiooxamide. Synthesis of dibenzo[ b,i]thianthrene-5,7,12,14-tetrone.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1445, doi. 10.1002/jhet.5570280543

By:

Matsuoka, Masaru;
Iwamoto, Akihiro;
Kitao, Teijiro

Publication type:

Article

Synthesis of novel acyclonucleosides. Reactions of 1-(1-bromo or 3-bromo-2-oxopropyl)pyridazin-6-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1235, doi. 10.1002/jhet.5570280514

By:

Choi, Sam-Yong;
Lee, Sang-Gyeong;
Yoon, Yong-Jin

Publication type:

Article

3-Substituted 2-pyridinecarbaldoximes.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1315, doi. 10.1002/jhet.5570280525

By:

Kao, Bo-Chan;
Doshi, Haresh;
Reyes-Rivera, Hector;
Titus, Donald D.;
Yin, Mali;
Dalton, David R.

Publication type:

Article

Nitrogen bridgehead compounds. Part 80.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1405, doi. 10.1002/jhet.5570280536

By:

Hermecz, István;
Breining, Tibor;
Simon, Kálmán;
Erös-Takácsy, Tünde;
Podányi, Benjamin;
Sessi, John

Publication type:

Article

Synthesis of 3,5-disubstituted 1,2,4-triazoles containing trimethoxyphenyl groups: Potential antagonists of platelet activating factor.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1197, doi. 10.1002/jhet.5570280507

By:

Ares, Jeffrey J.;
Messier, Renee J.;
Kornecki, Elizabeth

Publication type:

Article

13C and 1H NMR analysis of the nitration products of 2-amino-4-oxo-(3 H)-5-trifluoromethylquinazoline and 2-amino-4-oxo-(3 H)-5-fluoroquinazoline.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1459, doi. 10.1002/jhet.5570280547

By:

Singh, Shyam K.;
Fetzer, Oliver S.;
Hynes, John B.;
Williams, Thomas C.

Publication type:

Article

Photocyclization reactions. Part 1. Synthesis of dihydrobenzofuranols using photocyclization of 2-alkoxybenzaldehydes, 2′-alkoxyacetophenones, 2-formylphenoxyacetic acids and 2-acetylphenoxyacetic acids.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1261, doi. 10.1002/jhet.5570280518

By:

Horaguchi, Takaaki;
Tsukada, Chikara;
Hasegawa, Eietsu;
Shimizu, Takahachi;
Suzuki, Tsuneo;
Tanemura, Kiyoshi

Publication type:

Article

A method for the synthesis of racemic and optically active 2-substituted 9-(2′,3′-dihydroxypropyl)-8-azahypoxanthines and 8-azaadenines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1351, doi. 10.1002/jhet.5570280529

By:

Barili, P. L.;
Biagi, G.;
Giorgi, I.;
Livi, O.;
Scartoni, V.

Publication type:

Article

An alternative preparation of the 2-dimethylaminomethylene-1,3-bis(dimethylimmonio)propane salt from phosphonoacetic acids and some applications in heterocyclic synthesis.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1281, doi. 10.1002/jhet.5570280520

By:

Gupton, John T.;
Gall, John E.;
Riesinger, Steve W.;
Smith, Stanton Q.;
Bevirt, Kathy M.;
Sikorski, James A.;
Dahl, Maria L.;
Arnold, Zdenek

Publication type:

Article

Synthesis of 1,3,4-thiadiazin-2-one and 1,3,4-selenadiazin-2-one derivatives as new cardiotonic drugs.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 5, p. 1365, doi. 10.1002/jhet.5570280531

By:

Morvan, Marcel;
Nadler, Guy;
Zimmermann, Richard G.

Publication type:

Article