Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 7

Results: 30

Unexpected chlorination products as a result of self-diazotization of three amino-dinitro-2,3,4,5-tetrahydrobenzo[ b][1,4]dioxocin Derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1657, doi. 10.1002/jhet.5570280703

By:

Takakis, Ioannis M.;
Hadjimihalakis, Phaedon M.

Publication type:

Article

Synthesis of 2,5-diisoxazolyltetrahydrofurans.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1705, doi. 10.1002/jhet.5570280710

By:

Chiarino, D.;
Fantucci, M.

Publication type:

Article

Thermolysis of hexasubstituted-4,5-dihydro-3 H-pyrazoles: Synthesis of 1-alkoxy- and 1-acetoxy-1,2,2,3,3-pentasubstituted-cyclopropanes.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1773, doi. 10.1002/jhet.5570280721

By:

Kennedy, G. Davon;
Baumstark, Alfons L.;
Dotrong, M.;
Thomas, Treye;
Narayanan, N.

Publication type:

Article

Synthesis of 2,4-diamino-5,10-dideaza nonclassical antifolates.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1747, doi. 10.1002/jhet.5570280717

By:

Gangjee, Aleem;
Devraj, Rajesh;
Lin, Fu-Tyan

Publication type:

Article

Reissert compound studies. LXIV. Reissert compound and other products from an isolated N-benzoylisoquinolinium triflate salt.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1801, doi. 10.1002/jhet.5570280725

By:

Duarte, F. F.;
Popp, F. D.

Publication type:

Article

Condensation of homophthalic anhydrides with heterocyclic imines and DMAD under mild conditions.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1813, doi. 10.1002/jhet.5570280728

By:

Smith, Forrest T.;
Atigadda, Ram V.

Publication type:

Article

Synthesis of 4,8-disubstituted 4 H,8 H-bis[1,2,5]oxadiazolo[3,4-6:3′,4′- e]pyrazines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1677, doi. 10.1002/jhet.5570280706

By:

Fischer, John W.;
Nissan, Robin A.;
Lowe-Ma, Charlotte K.

Publication type:

Article

Thermal rearrangement of some 3-alkyl-2-aryltetrahydro-1,3-oxazine N-oxides. Synthesis of 2-alkyl-7-aryltetrahydro-1,6,2-dioxazepines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1789, doi. 10.1002/jhet.5570280723

By:

Le Lann, Martine;
Saba, Shahrokh;
Shoja, Massud

Publication type:

Article

Synthesis and properties of 5-aroylamino-2 H-1,2,4-thiadiazol-3-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1725, doi. 10.1002/jhet.5570280714

By:

Cho, Nam Sook;
Shon, Hyun Il;
Párkányi, Cyril

Publication type:

Article

Synthesis and properties of a bilirubin analog with propionic acid groups replaced by carboxyl.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1683, doi. 10.1002/jhet.5570280707

By:

Byun, Young-Seok;
Lightner, David A.

Publication type:

Article

Synthesis and properties of thiolactam analogs of pyrromethenones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1753, doi. 10.1002/jhet.5570280718

By:

Xie, Meiqiang;
Lightner, David A.

Publication type:

Article

Heterocyclic tautomerism. V.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1817, doi. 10.1002/jhet.5570280729

By:

Steel, Peter J.

Publication type:

Article

Alkylation of N-boc-1,2,3,4-tetrahydroisoquinolines in the 1-position and its application to the synthesis of isoquinoline alkaloids.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1769, doi. 10.1002/jhet.5570280720

By:

Coppola, Gary M.

Publication type:

Article

Synthesis and biological activities of substituted dihydrobenzo[ h]-pyrimido[4,5- b]quinolines as tetracyclic 5-deaza nonclassical folates.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1651, doi. 10.1002/jhet.5570280702

By:

Donkor, Isaac O.;
Gangjee, Aleem;
Kisliuk, R. L.;
Gaumont, Y.

Publication type:

Article

Identification of an impurity in synthetically prepared GAZT: 4″,5″-dehydro-GAZT.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1795, doi. 10.1002/jhet.5570280724

By:

Koble, Cecilia S.;
Hall, William R.;
Styles, Virgil L.;
Rideout, Janet L.;
Minick, Doug;
Cichetti, James;
Johnson, Robert L.;
Crouch, Ronald C.;
Martin, Gary E.

Publication type:

Article

Synthesis of ( R)-1,2,11-trihydroxy-, ( R)-2,11-, and ( R)-2,10-dihydroxyaporphines - non naturally occurring aporphine alkaloids from pukateine and thebaine.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1721, doi. 10.1002/jhet.5570280713

By:

Ram, Vishnu J.;
Neumeyer, John L.

Publication type:

Article

Synthesis of 5-(aroylamino)-2-methyl-2 H,-1,2,4-thiadiazol-3-ones by oxidative cyclization of 1-aroyl-5-methyl-2-thiobiurets.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1645, doi. 10.1002/jhet.5570280701

By:

Cho, Nam Sook;
Shon, Hyun Il;
Párkányi, Cyril

Publication type:

Article

Heterocycles from amino acids. A novel synthetic approach for imidazo[1,5- a]pyridines and imidazo[1,5- a]quinolines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1715, doi. 10.1002/jhet.5570280712

By:

Kolar, Patrik;
Petrič, Andrej;
Tišler, Miha;
Felluga, Fulvia

Publication type:

Article

An improved synthesis of pyrroles from N-p-toluenesulfonylglycine esters and α,β-unsaturated aldehydes and ketones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1671, doi. 10.1002/jhet.5570280705

By:

Lash, Timothy D.;
Hoehner, Michael C.

Publication type:

Article

4,5-Dimethylimidazole: A correction and alternative synthesis.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1819, doi. 10.1002/jhet.5570280730

By:

D'Sa, Albinus;
Cohen, Louis A.

Publication type:

Article

N-demethylation of (±)-6β-acetoxy-3-tropinone. Synthesis of (±)-6β-acetoxynortropane.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1741, doi. 10.1002/jhet.5570280716

By:

He, Xiao-Shu;
Brossi, Arnold

Publication type:

Article

Synthesis of 6-(4-methyl-1-piperazinyl)-7 H-indeno[2,1- c]-quinoline derivatives as potential 5-HT receptor ligands.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1809, doi. 10.1002/jhet.5570280727

By:

Anzini, M.;
Cappelli, A.;
Vomero, S.

Publication type:

Article

Synthesis of 4 H-1,4-benzothiazine 1-oxide and 1,1-dioxide. Analogs of quinolone antibacterial agents.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1701, doi. 10.1002/jhet.5570280709

By:

Culbertson, Townley P.

Publication type:

Article

Reactivity of 3-alkyl-4-arylazomethylene-3,4-dihydro-1,2,3-benzotriazines in protic solvents: 1,4-Addition reactions and dimroth rearrangement.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1709, doi. 10.1002/jhet.5570280711

By:

Vaughan, Keith;
LaFrance, Ronald J.;
Tang, York;
Hooper, Donald L.

Publication type:

Article

Synthesis of 4,6-disubstituted-7-β-D-ribofuranosyl- and arabinofuranosylpyrazolo[3,4- d]pyrimidines and certain related ribonucleosides.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1779, doi. 10.1002/jhet.5570280722

By:

Rao, T. Sudhakar;
Revankar, Ganapathi R.;
Vinayak, Ravi S.;
Robins, Roland K.

Publication type:

Article

Synthesis of novel, substituted 4 H-imidazo[1,5- a][1,4]benzodiazepines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1661, doi. 10.1002/jhet.5570280704

By:

Fryer, R. Ian;
Gu, Zi-Qiang;
Wang, Chen-Guang

Publication type:

Article

Transformations of 2,2,6-trimethyl-1,3-dioxen-4-one with heterocyclic amines and other amino compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1731, doi. 10.1002/jhet.5570280715

By:

Zupet, Rok;
Tišler, Miha;
Golič, Ljubo

Publication type:

Article

Deprotonations of 5-nitroindole and 5-nitroindole-2-carboxylate ion in zwitterionic surfactants.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1805, doi. 10.1002/jhet.5570280726

By:

Cipiciani, Antonio;
Primieri, Stefania

Publication type:

Article

Linked porphyrin systems.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1693, doi. 10.1002/jhet.5570280708

By:

Fleischer, Everly B.;
Shachter, Amy M.

Publication type:

Article

The regioselectivity of the ring opening of 1-activated or nonactivated 2-alkoxycarbonyl or 2-cyanoaziridines by carbanions of the dicarbonyl compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1757, doi. 10.1002/jhet.5570280719

By:

Bouayad, Zoheir;
Chanet-Ray, Josette;
Ducher, S.;
Vessière, Roger

Publication type:

Article