Works matching IS 0022152X AND DT 1976 AND VI 13 AND IP 6
Results: 50
Etude du mécanisme de la réaction de hantzsch des thiazoles. II. premiére étape: Action des cétones-α halogénées sur les thioamides.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1205, doi. 10.1002/jhet.5570130612
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1-Phenyl-3,3,4-trialkyl-1,2,4-triazolidin-5-ones via cyeloisomerization of ketone 4-alkyl-2-phenylsemicarbazones.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1257, doi. 10.1002/jhet.5570130623
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On the synthesis of selenophene.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1319, doi. 10.1002/jhet.5570130634
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Quaternarisation de diméthyl-5,6 pyrazolidino[4,3-d )isoxazolines-2.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1173, doi. 10.1002/jhet.5570130605
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The carbocyclic analog of cytidine, synthesis and antineoplastic activity.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1353, doi. 10.1002/jhet.5570130645
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Selective modification of the 2-position of pyridoxol.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1229, doi. 10.1002/jhet.5570130616
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Synthetic studies of the antitumor antibiotic streptonigrin. II. Synthesis of the C-D ring portion of streptonigrin.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1283, doi. 10.1002/jhet.5570130627
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A simple convenient synthesis of trans-1,2,3,4,4a,5,6,10b-octahydrophenanthridines.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1329, doi. 10.1002/jhet.5570130638
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Selenium-catalyzed thermal isomerization of cis-2-styrylfuran and cis-2-styrylthiophene.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1193, doi. 10.1002/jhet.5570130609
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The synthesis of 5-amino- v-triazolo[4,5-b] pyridin-7-one (l-deaza-8-azaguanine) and 5-amino-3-(β-D-ribofuranosyl)- v-triazolo[4,5-b] pyridin-7-one (1-deaza-8-azaguanosine).
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1365, doi. 10.1002/jhet.5570130649
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Synthesis of a new heterocyclic ring system 2,3,5,6,7,9,10,11-octahydro-l H-cyclopenta[9,H)]benzo[i,j] quinolizine-1,9-dione.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1337, doi. 10.1002/jhet.5570130640
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Reaction of dichloroketene and sulfenc with N,N-disubstituted 2-aminomethylene-1 -indanones. Synthesis of indeno[ 1,2-b ] pyran and lndeno[2,l-e] -1,2-oxathiin derivatives.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1201, doi. 10.1002/jhet.5570130611
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Synthesis of ring-fluorinated serotonins and melatonins.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1253, doi. 10.1002/jhet.5570130622
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Synthesis of 5,6-dimethoxythiophen-3 H(2)one and 6,7-dimethoxythiochroman-2-one. Derivatives of tetramethoxy-10,11-dihydrodibenzo[β, f]thiepin-10-one.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1315, doi. 10.1002/jhet.5570130633
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Régiospécificite et stéréosélectivite de la cycloaddition de l'oxyde de benzonitrile sur la phényl-5 A-3-pyrazoline.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1169, doi. 10.1002/jhet.5570130604
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Reaction of γ-picoline N-oxide with ketenimines in the presence of organic acids: Preparation of α-acyloxyamides.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1351, doi. 10.1002/jhet.5570130644
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Synthesis of 2-substituted-5-rnethylthiazolo[ 3,2-b ] -1,2,4-lriazoles and acylatcd 3-amino-2-imino-4-methyl-2-thiazolines.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1225, doi. 10.1002/jhet.5570130615
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Transformations of some substituted methylene heterocycles with some nucleophiles.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1279, doi. 10.1002/jhet.5570130626
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A Novel dioxano-annellated benzofuroxan.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1327, doi. 10.1002/jhet.5570130637
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Synthesis of 1,2,3,4,8,9,10,11-octahydro-[1,4] diazepino[6,5,4- jk ]earbazole and related compounds.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1187, doi. 10.1002/jhet.5570130608
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The synthesis of 2-amino-7-(β-D-ribofuranosyl)pyrrolo[2,3-d]-pyrimidin-4-one (7-deazaguanosine), a nucleoside Q and Q* analog.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1363, doi. 10.1002/jhet.5570130648
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Synthesis of C-glycosylindazoles by 1,3-dipolar cycloaddition of α-Diazoketoses to benzynes.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1241, doi. 10.1002/jhet.5570130619
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Chemistry of Thienopyridines. XXIV. Two Transformations of Thieno[ 2,3-b] pyridine 7-Oxide.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1197, doi. 10.1002/jhet.5570130610
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Deoxygenations of arene oxides. Models for enzymatic deoxygenation.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1369, doi. 10.1002/jhet.5570130650
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1,2,4-Triazines VIII.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1249, doi. 10.1002/jhet.5570130621
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Synthesis of some N-substituted 4,5-dihydro-7,8-dirnethoxybenzothiazepin-3-one 1,1 -dioxides.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1309, doi. 10.1002/jhet.5570130632
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Rearrangement of 1,4-benzodiazepin-2,4-diones to 3,l-benzoxazin-4-ones.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1165, doi. 10.1002/jhet.5570130603
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Nouvelles synthèses de thiéno[3,2- c] - et thiéno[2,3- c]pyridines.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1347, doi. 10.1002/jhet.5570130643
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Activated esters of substituted pyrazinecarboxylic acids.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1219, doi. 10.1002/jhet.5570130614
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The effect of solvents on the electronic absorption spectra of mesoionic 1,8,4 thiadiazolium-2-thiolate derivatives.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1273, doi. 10.1002/jhet.5570130625
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Indazolo[2,3-a] quinazoline.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1325, doi. 10.1002/jhet.5570130636
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A study of the catalytic reductive products of 2,3-dihydro-6-methoxy-3-(6-nitroveratrylidene)-4 H-benzopyran-4-one. Part II.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1181, doi. 10.1002/jhet.5570130607
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Synthesis of 4-amino-3-(β-D-ribofuranosyl)pyrazole-5-carboxarnidc via ring fission of formycin derivatives and purification using high pressure liquid chromatography.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1359, doi. 10.1002/jhet.5570130647
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The sodium borohydrirle reduction of N-iminopyridinium ylides. I. Synthesis of N-imino-1,2,3,6-tetrahydropyridines.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1237, doi. 10.1002/jhet.5570130618
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Partial methylation of quercetin: Direct synthesis of tamarixetin, ombuin and ayanin.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1293, doi. 10.1002/jhet.5570130629
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The insertion and extrusion of heterosulfur bridges. III. A useful chemical-chromatographic separation procedure.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1245, doi. 10.1002/jhet.5570130620
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Nucleosides CV. Synthesis of the 8-((β-D-ribofuranosyl)pyrazolo[1,5-a]-1,3,5-triazine isosteres of adenosine and inosine.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1305, doi. 10.1002/jhet.5570130631
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Improved synthesis of indenothiophenes. Part III.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1161, doi. 10.1002/jhet.5570130602
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Magnetic circular dichroism spectra of some s-triazolo[1,5-b] isoquinolin-5(H)ones, 1,2-dihydro-6h-s-tetrazino[2,3-b]isoquinolin-6-ones and related compounds.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1343, doi. 10.1002/jhet.5570130642
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Synthèses d'indoles par cyclisation réductrice. II.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1209, doi. 10.1002/jhet.5570130613
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Etude des pK<sub>a</sub> et de la protodéboronation des acides furanneboroniques.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1265, doi. 10.1002/jhet.5570130624
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Isothiazoles VIII: Isothiazolidin-3-one derivatives.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1321, doi. 10.1002/jhet.5570130635
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The condensation products of 6-methoxy-2,3-dihydro-4 H-benzopyran-4-one and 6-nitroveratraldehyde. Part I.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1177, doi. 10.1002/jhet.5570130606
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The synthesis of syn- and anti-11-hydroxy-12-methyl-10,11-dihydro-5,10-imino[5H] dibenzo[a,d] cycloheptene.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1355, doi. 10.1002/jhet.5570130646
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Diazepines I. A new synthesis of 6-phenyl-4 H-imidazo[1,2-a] [1,4] benzodiazepines.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1233, doi. 10.1002/jhet.5570130617
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Mass spectral fragmentation pattern of 2,2′-bipyridyls Part IV. Di-2-pyridly ketone.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1289, doi. 10.1002/jhet.5570130628
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Synthesis of the 13,14-diazasteroid ring system.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1333, doi. 10.1002/jhet.5570130639
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Perhalogenated thiazoles. Their synthesis, reactions and mass spectra.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1297, doi. 10.1002/jhet.5570130630
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Reactivity of methyl (3,6-dichloropyridazin-4-yl)acetate towards nucleophiles.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1155, doi. 10.1002/jhet.5570130601
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Synthesis of fused ring 1,2,4-triazoles by intramolecular cycloaddition of nitrile imines to the nitrile function.
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- Journal of Heterocyclic Chemistry, 1976, v. 13, n. 6, p. 1339, doi. 10.1002/jhet.5570130641
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