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Results 1 to 25 of 20645

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A synthesis of some pyridinylpyrimidines from ketenedithioacetalsKATZ, R. B; MITCHELL, M. B; SAMMES, P. G et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 6, pp 1801-1814, issn 0040-4020, 14 p.Article

Synthesis of bis(alkylthio)bipyridyls by nickel mediated homo coupling of halogenopyridyl alkyl sulphidesTIECCO, M; TINGOLI, M; TESTAFERRI, L et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 9, pp 2857-2868, issn 0040-4020, 12 p.Article

Competitive reactions in the synthesis of nitrendipineRAEV, L. D; IVANOV, I. C.Archiv der Pharmazie (Weinheim). 1989, Vol 322, Num 5, pp 253-256, issn 0365-6233, 4 p.Article

Regioselective allylation and propargylation of pyrimidinesEPIFANI, E; FLORIO, S; INGROSSO, G et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 7, pp 2075-2082, issn 0040-4020, 8 p.Article

Reaktionen von Thioxoheterocyclen mit N-Chloramiden. II: N-Substituierte 2- oder 4-Thiopyridone und Natrium-N-Chlorbenzolsulfonamide = Reactions of thioxoheterocycles with N-chloroamides.II: N-substituted 2-or 4-thiopyridone and sodium-N-chlorobenzenesulfonamideBOBERG, F; BRUCHMANN, B; NINK, G et al.Phosphorus and sulfur and the related elements. 1989, Vol 44, Num 3-4, pp 267-284, issn 0308-664X, 18 p.Article

Synthesis and reactions of some 4-aryl-2-benzylmercapto-1,6-dihydro-6-thiono-1,3,5-triazinesELKAFRAWY, A. F; MOUSSA, G. E. M; ELAASAR, N. K et al.Phosphorus, sulfur and silicon and the related elements (Print). 1991, Vol 62, Num 1-4, pp 275-279, issn 1042-6507Article

Enantiodivergent synthesis of (+) and (-) altholactone from D-glucose: preparation and cytotoxic activity of analogsGESSON, J.-P; JACQUESY, J.-C; MONDON, M et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 9, pp 2627-2640, issn 0040-4020, 14 p.Article

Synthese von 3-Cyan-6-methyl-4-pyridyl- und 3-Cyan-4-methyl-6-pyridyl-pyrid-2(1H)-onen und -thionen = Synthesis of 3-cyano-6-methyl-4-pyridyl and 3-cyano-4-methyl-6-pyridyl-pyrid-2(1H)-onesHANFELD, V; LEISTNER, S; WAGNER, G et al.Pharmazie. 1988, Vol 43, Num 11, pp 762-764, issn 0031-7144Article

Stability of naturally occuring pyrazines and construction route of pyrazine ringsKURIHARA, T; WATANABE, Y; TAKAYAMA, K et al.Journal of heterocyclic chemistry. 1991, Vol 28, Num 6, pp 1557-1560, issn 0022-152XArticle

A stereoselective route to enantiomeric 2-alkyl-1,2,3,6-tetrahydropyridinesMEHMANDOUST, M; MARAZANO, C; DAS, B. C et al.Journal of the Chemical Society. Chemical communications. 1989, Num 16, pp 1185-1187, issn 0022-4936, 3 p.Article

α-Oxo sulfines and their synthetic behaviourDE LAET, R. C; VAN BREEMEN, A. J. J. M; DERKSEN, A. J et al.Phosphorus, sulfur and silicon and the related elements (Print). 1993, Vol 74, Num 1-4, pp 371-372, issn 1042-6507Conference Paper

Natural 2,6-dialkyl-3-piperidinols. IX: Total synthesis of (±)-prosafrinine and 13C NMR studies of some analogous compoundsPATERNE, M; DHAL, R; BROWN, E et al.Bulletin of the Chemical Society of Japan. 1989, Vol 62, Num 4, pp 1321-1324, issn 0009-2673, 4 p.Article

The structure of a 2-oxoperhydro-1,3,5-triazine, the cycloaddition product of diphenyl-N-(p-tolyl)ketenimine and chlorosulfonyl isocyanateRØMMING, C; SKATTEBØL, L.Acta chemica scandinavica (1989). 1989, Vol 43, Num 8, pp 819-821, 3 p.Article

A simple synthesis of (•â)-cis-(6-methyltetrahydro-2-pyranyl)acetic acid, a constituent of civetKOBAYASHI, K; SUGINOME, H.Bulletin of the Chemical Society of Japan. 1989, Vol 62, Num 3, pp 951-952, issn 0009-2673, 2 p.Article

A facile preparation of fluoropyridines from aminopyridines via diazotization and fluorodediazoniation in HF or HF-pyridine solutionsFUKUHARA, T; YONEDA, N; SUZUKI, A et al.Journal of fluorine chemistry. 1988, Vol 38, Num 3, pp 435-438, issn 0022-1139Article

Enhydrazine. XXXIX: Einige stabile 1,4,5,6-Tetrahydro-1-methylpyridazin-3,4,5,6-tetracarbonsäureester mit axialen Ester-Gruppen = Enehydrazine. XXXIX: Quelques esters de l'acide tétrahydro-1,4,5,6 méthyl-1 pyridazinetétracarboxilique-3,4,5,6 avec les groupes esters axiaux = Enehydrazines. XXXIX: Some stable 1,4,5,6-tetrahydro-1-methylpyridazine-3,4,5,6-tetracarboxylic esters with axial ester groupsSUCROW, W; ELLERMANN, K.-H; FLÖRKE, U et al.Chemische Berichte. 1988, Vol 121, Num 11, pp 2007-2012, issn 0009-2940Article

Reaction of oxophosphorane-sulphenyl and -selenenyl chlorides with dialkyl trimethylsilyl phosphites. Novel synthesis of compounds containing a sulphur or selenium bridge between two phosphoryl centresSKOWRONSKA, A; DEMBINSKI, R; KAMINSKI, R et al.Journal of the Chemical Society. Perkin transactions. I. 1988, Num 8, pp 2197-2201, issn 0300-922XArticle

A route to 1-azaspirans related to perhydrohistrionicotoxinTHOMPSON, C. M.Heterocycles (Sendai). 1992, Vol 34, Num 5, pp 979-990, issn 0385-5414Article

Novel syntheses of heterocycles with N-(1-haloalkyl)azinium halides. II: Preparation of N-unsubstituted 1,4-dihydropyridinesVANDEN EYNDE, J.-J; D'ORAZIO, P; MAYENCE, A et al.Tetrahedron (Oxford. Print). 1992, Vol 48, Num 7, pp 1263-1268, issn 0040-4020Article

Synthesis of 1, 2, 4-triazines. XII: New synthesis of 1, 2, 4-triazines with a functional group in the 6-positionOHSUMI, T; NEUNHOEFFER, H.Tetrahedron (Oxford. Print). 1992, Vol 48, Num 4, pp 651-662, issn 0040-4020Article

Synthesis of selenobispyridinesDUNNE, S. J; SUMMERS, L. A; VON NAGY-FELSOBUKI, E. I et al.Journal of heterocyclic chemistry. 1992, Vol 29, Num 1, pp 117-119, issn 0022-152XArticle

Synthesis of N,N-disubstituted lactone hydrazones via (sulfonylimino)-ethersFRITSCHI, S; VASELLA, A.Helvetica chimica acta. 1991, Vol 74, Num 8, pp 2024-2034, issn 0018-019XArticle

Darstellung und Eigenschaften von Cyclohexasilanylderivaten = Synthesis and properties of cyclohexasilanyl derivativesHENGGE, E; EIBL, M.Journal of organometallic chemistry. 1989, Vol 371, Num 2, pp 137-144, issn 0022-328X, 8 p.Article

Regioselective α-lithiation of unsymmetrical 1-(tert-butoxycarbonyl)-1,4-dihydropyridinesCOMINS, D. L; WEGLARZ, M. A.Journal of organic chemistry. 1988, Vol 53, Num 19, pp 4437-4442, issn 0022-3263Article

Time-resolved unimolecular reactions of pyridine ions by means of trapped-ion mass spectrometryARAKAWA, R; YOSHIKAWA, Y; ħZ01Mass spectrometry et al.Bulletin of the Chemical Society of Japan. 1987, Vol 60, Num 1, pp 49-54, issn 0009-2673Article

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