Works matching IS 0022152X AND DT 1981 AND VI 18 AND IP 1
Results: 41
Reaction of ethyl 3-ethoxymethylene-2,4-dioxovalerate and ethyl ethoxymethyleneoxaloacetate with 3-aminopyrazole analogs. Synthesis and chemistry of 3,6,7-trisubstituted pyrazolo[1,5- a]pyrimidine derivatives.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 163, doi. 10.1002/jhet.5570180130
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1.3-dipolare additionen an 3.4-diazatricyclo[4.2.1.0<sup>2.5</sup>]nona-3.7-dien und 3.4-diazatricyclo[4.2.1.0<sup>2.5</sup>]nona-7-en-derivate.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 1, doi. 10.1002/jhet.5570180101
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Fused s-triazino heterocycles. VIII. 1,3,4,6,9b-pentaazaphenalenes. Reactions of a methyl and bromomethyl side chain.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 75, doi. 10.1002/jhet.5570180116
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New synthesis of 7-bromo-1, 3-dihydro-3-hydroxy-5-(2′-pyridyl)-2 H-1,4-benzodiazepin-2-one.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 59, doi. 10.1002/jhet.5570180112
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Reaction of sulfene and dichloroketene with open-chain N,N-disubstituted α-aminomethyleneketones. Synthesis of 4-dialkylamino-3,4-dihydro-6-methyl-5-phenyl-1,2-oxathiin 2,2-dioxides and of N,N-disubstituted 4-amino-3-chloro-(6-methyl-5-phenyl)(6-benzyl)-2 H-pyran-2-ones
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 111, doi. 10.1002/jhet.5570180123
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Ortho effects in 3-methyl-5-( o-r-styryl)-4-aminoisoxazoles on electron impact. III.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 185, doi. 10.1002/jhet.5570180134
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Synthesis of some N-heteroaromatic analogues of cannabinoids.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 23, doi. 10.1002/jhet.5570180105
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Selenium-sulfur analogs. 4. Synthesis and characterization of (±)-β-(2-amino-1,3-selenazol-4-yl)alanine.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 205, doi. 10.1002/jhet.5570180141
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The schmidt reaction on 3a,4,5,6-tetrahydrosuccinimido[3,4- b]-acenaphthen-10-one and its alkylated derivatives.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 135, doi. 10.1002/jhet.5570180127
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Phase-transfer catalysis in the N-benzylation of adenine.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 197, doi. 10.1002/jhet.5570180138
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Studies in the synthesis and interconversion of isomeric triazolothienopyrimidines.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 43, doi. 10.1002/jhet.5570180109
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Amidrazones. 6.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 201, doi. 10.1002/jhet.5570180140
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Synthesis of 2,4-substituted 6,7-phenanthreno-and 6,7-acenaphthenopteridines.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 55, doi. 10.1002/jhet.5570180111
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Reaction of some coumarin and 4,6-diaryl-2 H-pyran derivatives with secondary amines.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 105, doi. 10.1002/jhet.5570180122
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An improved general synthesis of 4-aryl-5-pyrimidinecarboxylates.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 183, doi. 10.1002/jhet.5570180133
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The crystal structure of a trisisoxazole compound: 3-(3-Methyl-5-isoxazolyl)methyl-5-(3-methyl-5-isoxazolyl)methylisoxazole.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 19, doi. 10.1002/jhet.5570180104
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Reissert compound studies. XXXIX. A novel approach to the berbine and 6-azaberbine systems and related derivatives of ellipticine.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 71, doi. 10.1002/jhet.5570180115
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The mixed-aldehyde synthesis of difunctional tetraarylporphyrins.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 129, doi. 10.1002/jhet.5570180126
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The preparation of some 1-(2-furyl)-2-arylethylenes.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 193, doi. 10.1002/jhet.5570180137
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The synthesis of 3- and 5-amino-1,2,4-oxadiazoles. A caveat.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 37, doi. 10.1002/jhet.5570180108
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Synthesis of some 2-( N-protected or free aminoacyl or N-tosyltripeptide)-aminophenazines, aminonaphthophenazines and 4-( N-protected or free aminoacyl or N-tosyltripeptide)aminophenazone derivatives.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 91, doi. 10.1002/jhet.5570180119
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A reinvestigation of the stevens rearrangement of 1-benzyl-1,3,4-trimethyl-1,2,5,6-tetrahydropyridinium salts.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 47, doi. 10.1002/jhet.5570180110
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<sup>13</sup>C NMR spectral analysis of chlorpromazine, chlorpromazine sulfoxide and related models.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 101, doi. 10.1002/jhet.5570180121
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1-(1-aryl-3-ethylthiocarbamido)-4-arylaminothiocarbonyl)- piperazines as possible anticonvulsants.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 181, doi. 10.1002/jhet.5570180132
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Synthesis and reactions of some 5,6,7,8-tetrahydroquinoxaline derivatives.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 15, doi. 10.1002/jhet.5570180103
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Synthesis and reactions of 2-chloro-3,4-dihydrothienopyrimidines and -quinazolines.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 67, doi. 10.1002/jhet.5570180114
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A new synthesis of 6-(alkyl)amino-3-aryl(alkyl)-1,2,4,5-tetrazines.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 123, doi. 10.1002/jhet.5570180125
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A practical synthesis of pyoluteorin.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 191, doi. 10.1002/jhet.5570180136
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Transformations in the dibenzo[ a,d]cycloheptene series.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 31, doi. 10.1002/jhet.5570180107
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Synthesis of 1-alkyl and 1,3-dialkyl-2-benzimidazolones from 1-alkenyl-2-benzimidazolones using phase-transfer catalysis technique.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 85, doi. 10.1002/jhet.5570180118
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Chemistry of the phenoxathiins and isosterically related heterocycles. XIV. Total assignment of the <sup>13</sup>C-Nmr spectrum of pyrrolo[3,2,1- kl]phenothiazine.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 155, doi. 10.1002/jhet.5570180129
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Mass spectra of substituted Δ<sup>2</sup>-1,2,4-oxadiazolines. II.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 95, doi. 10.1002/jhet.5570180120
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Psilocin analogs II. Synthesis of 3-[2-(dialkylamino)ethyl]-, 3-[2-( N-methyl- N-alkylamino)ethyl]-, and 3-[2-(cycloalkylamino)ethyl]indol-4-ols.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 175, doi. 10.1002/jhet.5570180131
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Hetarylpyrazoles. II.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 9, doi. 10.1002/jhet.5570180102
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Applications of <sup>13</sup>C Nmr spectroscopy to structural assignment of derivatives of 2,3,4,5,6,7-hexahydro-1 H-2-benzazonine.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 63, doi. 10.1002/jhet.5570180113
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Reactions of 2 H-3,1-benzoxazine-2,4-(1 H)dione (isatoic anhydride).
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 117, doi. 10.1002/jhet.5570180124
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Benzo[ h]cinnolin.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 189, doi. 10.1002/jhet.5570180135
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Synthesis of 2- S-dioxo isosteres of purine and pyrimidine nucleosides. I. Alkyl and glycosyl derivatives of 3,5-diamino-4 H-1,2,6-thiadiazine 1,1-dioxide.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 27, doi. 10.1002/jhet.5570180106
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Derivatives of 2,3,8,9-tetrahydro-3-oxo-1 H-benz[ de]isoquinoline-1,9a-(7 H)dicarboximide.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 79, doi. 10.1002/jhet.5570180117
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Etude de l'oxydation de tétrahydroisoquinoléinols-4 diméthoxylés en 6,7 ou 7,8, et sur la réactivité du carbonyle de la tétrahydroisoquinolone-4 diméthoxylée en 6,7.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 143, doi. 10.1002/jhet.5570180128
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Synthesis of 1,2,9,10,17,18-hexathia[2.2.2](2,6)pyridinophane.
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- Journal of Heterocyclic Chemistry, 1981, v. 18, n. 1, p. 199, doi. 10.1002/jhet.5570180139
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