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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

Addition-rearrangement reactions of N-(arylsulphonyloxy)amines and 3,4-dihydro-2H-pyranHOFFMAN, R. V; SALVADOR, J. M.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 8, pp 1375-1380, issn 0300-922X, 6 p.Article

Photosensitized oxidation of furans. XIV: Nature of intermediates in thermal rearrangement of some endo-peroxides of 2-alkoxyfurans: new rearrangement pathway of furan endo-peroxidesGRAZIANO, M. L; IESCE, M. R; CIMMINIELLO, G et al.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 2, pp 241-245, issn 0300-922X, 5 p.Article

Syntheses of 9-cyclohepta-2,4,6-trien-1-yl-9H-xanthen-9-ol and related alcohols by a novel umpolung methodBADEJO, I. T; KARAMAN, R; NGA WING IRENE LEE et al.Journal of the Chemical Society. Chemical communications. 1989, Num 9, pp 566-567, issn 0022-4936, 2 p.Article

Synthetic studies towards forskolinBARALDI, P. G; BARCO, A; BENETTI, S et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1517-1532, issn 0040-4020, 16 p.Article

The stereoselective syntheses of substituted furo[2,3b]furans. IIVADER, J; SENGERS, H; DE GROOT, A et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 7, pp 2131-2142, issn 0040-4020, 12 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

Halochrome Molekeln. VIII: Synthese und acidobasisches Verhalten von 3'-substituierten 6,11-Dihydrospiro [[1]benzopyrano[4,3-b]indol-6,9'-9'H-xanthenen] = Halochromic molecules. Synthesis and acidobasic properties of 3'-substituted 6,11-dihydrospiro[[1]benzopyrano[4,3-b]indol-6,9'-9'H-xanthenes]GUNZENHAUSER, S; BALLI, H.Helvetica chimica acta. 1989, Vol 72, Num 6, pp 1186-1198, issn 0018-019X, 13 p.Article

A novel route to optically active dihydropyrans and 3-methylenetetrahydrofuransJUMA'A AL-DULAYYMI; BAIRD, M. S.Tetrahedron letters. 1989, Vol 30, Num 2, pp 253-256, issn 0040-4039, 4 p.Article

Androstane derivatives: synthesis of substituted 6'-H-androst-2-eno[3,2-b]pyran-6'-onesCAFAGGI, S; PARODI, B; CIARALLO, G et al.Pharmazie. 1989, Vol 44, Num 3, pp 227-228, issn 0031-7144, 2 p.Article

Synthesis of monocerin, an antifungal, insecticidal and phytotoxic heptaketide metabolite of Exserohilum monocerasMORI, K; TAKAISHI, H.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 6, pp 1639-1646, issn 0040-4020, 8 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

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