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Results 1 to 25 of 38338

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Effects of 8-phenyl and 8-cycloalkyl substituents on the activity of mono-, di-, and trisubstituted alkylxanthines with substitution at the 1-, 3-, and 7-positionsSHAMIM, M. T; UKENA, D; PADGETT, W. L et al.Journal of medicinal chemistry (Print). 1989, Vol 32, Num 6, pp 1231-1237, issn 0022-2623, 7 p.Article

A convenient synthesis of cyclic ethers from siloxy carbonyl compoundsHOMMA, K; MUKAIYAMA, T.Chemistry Letters. 1989, Num 2, pp 259-262, issn 0366-7022, 4 p.Article

Chemistry of insect antifeedants from azadirachta indica. IV: Synthesis towards the limonoid azadirachtin; preparation of a functionalised decalin fragmentLEY, S. V; ABAD SOMOVILLA, A; BROUGHTON, H. B et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 7, pp 2143-2164, issn 0040-4020, 22 p.Article

Synthesis and reaction of 1,2,4-trioxanesFUJISAKA, T; MIURA, M; NOJIMA, M et al.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 5, pp 1031-1039, issn 0300-922X, 9 p.Article

The synthesis of an oxygen-bridged hydroxy[15]annulenone: the effects of introducing one hydroxy group into the flexible segment of a 14π perimeterOGAWA, H; INOUE, M; IMOTO, T et al.Journal of the Chemical Society. Chemical communications. 1989, Num 2, pp 120-121, issn 0022-4936, 2 p.Article

A new synthesis of rosefuranTSUKASA, H.Agricultural and biological chemistry. 1989, Vol 53, Num 11, pp 3091-3092, issn 0002-1369, 2 p.Article

Formation of furan derivatives from phenacyl bromides and sodium telluride; attempted extension to coumarin synthesisPADMANABHAN, S; OGAWA, T; SUZUKI, H et al.Bulletin of the Chemical Society of Japan. 1989, Vol 62, Num 6, pp 2114-2116, issn 0009-2673, 3 p.Article

Photoreaction of 1-aryl 1,3-diketones. Trapping reaction of the biradicals generated in the type II reaction with oxygenYOSHIOKA, M; FUNAYAMA, K; HASEGAWA, T et al.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 8, pp 1411-1414, issn 0300-922X, 4 p.Article

Acid-catalyzed cyclization reactions of substituted acetylenic ketones: a new approach for the synthesis of 3-halofurans, flavones, and styrylchromonesOBRECHT, D.Helvetica chimica acta. 1989, Vol 72, Num 3, pp 447-456, issn 0018-019X, 10 p.Article

Oxidation by singlet oxygen of 4,7-dimethoxy-2,9-di-t-butyloxepino-[2,3-b]benzofuran, an oxidation product of the antioxidant BHABYRNE, L. T; ENGELHARDT, L. M; HEWGILL, F. R et al.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 1, pp 133-142, issn 0300-922X, 10 p.Article

Synthesis and conformational analysis of 2-methylthioderivatives of 1-(2'-furyl)ethanol and their O-methyl derivativesALCUDIA, F; FERNANDEZ, I; TRUJILLO, M et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1491-1500, issn 0040-4020, 10 p.Article

Synthesis and photochemical reaction of a stable isobenzofuran derivativeMIKI, S; YOSHIDA, M; YOSHIDA, Z et al.Tetrahedron letters. 1989, Vol 30, Num 1, pp 103-104, issn 0040-4039, 2 p.Article

Synthesis of podophyllotoxinJONES, D. W; THOMPSON, A. M.Journal of the Chemical Society. Chemical communications. 1989, Num 18, pp 1370-1371, issn 0022-4936, 2 p.Article

Synthesis of pyranoisoflavones from pyronochalcones: synthesis of elongatin and its angular isomerTSUKAYAMA, M; KAWAMURA, Y; TAMAKI, H et al.Bulletin of the Chemical Society of Japan. 1989, Vol 62, Num 3, pp 826-832, issn 0009-2673, 7 p.Article

Synthesis of some new phenyl 2H-1-benzopyran-2-ones: novel structure for niveginPARMAR, V. S; SUDDHAM SINGH; ANAND VARDHAN et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 6, pp 1839-1844, issn 0040-4020, 6 p.Article

Acyl anion equivalents in the synthesis of 2H-pyran-2-ones: an efficient synthesis of anibineDHAVALE, D. D; INDRAPAL SINGH AIDHEN; SHAFIQUE, M et al.Journal of organic chemistry. 1989, Vol 54, Num 16, pp 3985-3987, issn 0022-3263, 3 p.Article

Chemical deoxygenation of the trichothecenes diacetoxyscirpenol and deoxynivalenolCAMERON, S; COLVIN, E. W.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 2, pp 365-370, issn 0300-922X, 6 p.Article

Efficient synthesis of exo-and endo-brevicomin from a single precursorRAMSWAMY, S; OEHLSCHLAGER, A. C.Canadian journal of chemistry (Print). 1989, Vol 67, Num 5, pp 794-796, issn 0008-4042, 3 p.Article

Stereocontrolled lactonization reactions via palladium-catalysisBACKVALL, J.-E; ANDERSSON, P. G; VAGBERG, J. O et al.Tetrahedron letters. 1989, Vol 30, Num 1, pp 137-140, issn 0040-4039, 4 p.Article

Studies on hindered phenols and analogues. I: Hypolipidemic and hypoglycemic agents with ability to inhibit lipid peroxidationYOSHIOKA, T; FUJITA, T; KANAI, T et al.Journal of medicinal chemistry (Print). 1989, Vol 32, Num 2, pp 421-428, issn 0022-2623, 8 p.Article

Synthesis and properties of a mercapto[15]annulenone: a 14π diatropic annulene triply characterised by a fast chemical exchange, tautomerisation and cis-trans-isomerisationOGAWA, H; YOSHIKAWA, M; TANAKA, H et al.Journal of the Chemical Society. Chemical communications. 1989, Num 8, pp 505-507, issn 0022-4936, 3 p.Article

A versatile regio- and stereospecific annulation method. I: Preparation of 1-ethoxy-oxatricyclo[4.2.1.04,8]nonan-7-one dimethylketals and homologue systemsGÖSSINGER, E; MÜLLER, R.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1377-1390, issn 0040-4020, 14 p.Article

Chiral precursors for syntheses of furanoterpenesMARCO, J. L.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1475-1490, issn 0040-4020, 16 p.Article

Synthesis of (-)-cis-neocnidilideTANAKA, A; SUZUKI, H; YAMASHITA, K et al.Agricultural and biological chemistry. 1989, Vol 53, Num 8, pp 2253-2256, issn 0002-1369, 4 p.Article

The use of dichloromaleic and bromomaleic anhydrides in the synthesis of lactones by the intramolecular Diels-Alder reactionBATCHELOR, M. J; MELLOR, J. M.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 5, pp 985-995, issn 0300-922X, 11 p.Article

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