Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 7
Results: 30
Synthesis of 2,5-diisoxazolyltetrahydrofurans.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1705, doi. 10.1002/jhet.5570280710
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Thermolysis of hexasubstituted-4,5-dihydro-3 H-pyrazoles: Synthesis of 1-alkoxy- and 1-acetoxy-1,2,2,3,3-pentasubstituted-cyclopropanes.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1773, doi. 10.1002/jhet.5570280721
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Unexpected chlorination products as a result of self-diazotization of three amino-dinitro-2,3,4,5-tetrahydrobenzo[ b][1,4]dioxocin Derivatives.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1657, doi. 10.1002/jhet.5570280703
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Synthesis and properties of 5-aroylamino-2 H-1,2,4-thiadiazol-3-ones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1725, doi. 10.1002/jhet.5570280714
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Reissert compound studies. LXIV. Reissert compound and other products from an isolated N-benzoylisoquinolinium triflate salt.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1801, doi. 10.1002/jhet.5570280725
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Synthesis and properties of a bilirubin analog with propionic acid groups replaced by carboxyl.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1683, doi. 10.1002/jhet.5570280707
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Synthesis and properties of thiolactam analogs of pyrromethenones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1753, doi. 10.1002/jhet.5570280718
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Heterocyclic tautomerism. V.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1817, doi. 10.1002/jhet.5570280729
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Alkylation of N-boc-1,2,3,4-tetrahydroisoquinolines in the 1-position and its application to the synthesis of isoquinoline alkaloids.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1769, doi. 10.1002/jhet.5570280720
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Synthesis and biological activities of substituted dihydrobenzo[ h]-pyrimido[4,5- b]quinolines as tetracyclic 5-deaza nonclassical folates.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1651, doi. 10.1002/jhet.5570280702
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Synthesis of ( R)-1,2,11-trihydroxy-, ( R)-2,11-, and ( R)-2,10-dihydroxyaporphines - non naturally occurring aporphine alkaloids from pukateine and thebaine.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1721, doi. 10.1002/jhet.5570280713
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Identification of an impurity in synthetically prepared GAZT: 4″,5″-dehydro-GAZT.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1795, doi. 10.1002/jhet.5570280724
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Synthesis of 4,8-disubstituted 4 H,8 H-bis[1,2,5]oxadiazolo[3,4-6:3′,4′- e]pyrazines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1677, doi. 10.1002/jhet.5570280706
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Synthesis of 2,4-diamino-5,10-dideaza nonclassical antifolates.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1747, doi. 10.1002/jhet.5570280717
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Condensation of homophthalic anhydrides with heterocyclic imines and DMAD under mild conditions.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1813, doi. 10.1002/jhet.5570280728
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4,5-Dimethylimidazole: A correction and alternative synthesis.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1819, doi. 10.1002/jhet.5570280730
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Synthesis of 5-(aroylamino)-2-methyl-2 H,-1,2,4-thiadiazol-3-ones by oxidative cyclization of 1-aroyl-5-methyl-2-thiobiurets.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1645, doi. 10.1002/jhet.5570280701
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Heterocycles from amino acids. A novel synthetic approach for imidazo[1,5- a]pyridines and imidazo[1,5- a]quinolines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1715, doi. 10.1002/jhet.5570280712
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Thermal rearrangement of some 3-alkyl-2-aryltetrahydro-1,3-oxazine N-oxides. Synthesis of 2-alkyl-7-aryltetrahydro-1,6,2-dioxazepines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1789, doi. 10.1002/jhet.5570280723
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An improved synthesis of pyrroles from N-p-toluenesulfonylglycine esters and α,β-unsaturated aldehydes and ketones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1671, doi. 10.1002/jhet.5570280705
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N-demethylation of (±)-6β-acetoxy-3-tropinone. Synthesis of (±)-6β-acetoxynortropane.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1741, doi. 10.1002/jhet.5570280716
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Synthesis of 6-(4-methyl-1-piperazinyl)-7 H-indeno[2,1- c]-quinoline derivatives as potential 5-HT receptor ligands.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1809, doi. 10.1002/jhet.5570280727
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Synthesis of 4 H-1,4-benzothiazine 1-oxide and 1,1-dioxide. Analogs of quinolone antibacterial agents.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1701, doi. 10.1002/jhet.5570280709
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Reactivity of 3-alkyl-4-arylazomethylene-3,4-dihydro-1,2,3-benzotriazines in protic solvents: 1,4-Addition reactions and dimroth rearrangement.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1709, doi. 10.1002/jhet.5570280711
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Synthesis of 4,6-disubstituted-7-β-D-ribofuranosyl- and arabinofuranosylpyrazolo[3,4- d]pyrimidines and certain related ribonucleosides.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1779, doi. 10.1002/jhet.5570280722
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Synthesis of novel, substituted 4 H-imidazo[1,5- a][1,4]benzodiazepines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1661, doi. 10.1002/jhet.5570280704
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Transformations of 2,2,6-trimethyl-1,3-dioxen-4-one with heterocyclic amines and other amino compounds.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1731, doi. 10.1002/jhet.5570280715
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Deprotonations of 5-nitroindole and 5-nitroindole-2-carboxylate ion in zwitterionic surfactants.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1805, doi. 10.1002/jhet.5570280726
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Linked porphyrin systems.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1693, doi. 10.1002/jhet.5570280708
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The regioselectivity of the ring opening of 1-activated or nonactivated 2-alkoxycarbonyl or 2-cyanoaziridines by carbanions of the dicarbonyl compounds.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 7, p. 1757, doi. 10.1002/jhet.5570280719
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