Some reactions of 2-mercapto-3,5,7-tri-phenylpyrido[2,3-d]˚pyrimidine-4(3H)-one synthesis of pyridotriazolo and pyridotetrazolopyrimidine derivativesYOUSSEF, M. S. K; EL-ZOHRY, M. F; HASSAN, K. M et al.Phosphorus and sulfur and the related elements. 1989, Vol 44, Num 3-4, pp 197-201, issn 0308-664X, 5 p.Article

A novel synthesis of purine and deazapurine derivatives from 5-aminoimidazolesAL-SHAAR, A. H; GILMOUR, D. W; LYTHGOE, D. J et al.Journal of the Chemical Society. Chemical communications. 1989, Num 9, pp 551-552, issn 0022-4936, 2 p.Article

Syntheses of apogalanthamine analogues as α-adrenergic blocking agents. XIII: syntheses of phenolic 8-hydroxy-5,6,7,8-tetrahydrodibenz[c,e]azocinesKIHARA, M; VANGUERA VONG, S; OHNISHI, K et al.Chemical and pharmaceutical bulletin. 1989, Vol 37, Num 7, pp 1744-1747, issn 0009-2363, 4 p.Article

Hybrid molecules: growth inhibition of Leishmania donovani promastigotes by thiosemicarbazones of 3-carboxy-β-carbolinesDODD, R. H; OUANNES, C; ROBERT-GERO, M et al.Journal of medicinal chemistry (Print). 1989, Vol 32, Num 6, pp 1272-1276, issn 0022-2623, 5 p.Article

Synthesis of (±)-2,3-methanoproline: a novel inhibitor of ethylene biosynthesisSWITZER, F. L; VAN HALBEEK, H; HOLT, E. M et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 19, pp 6091-6100, issn 0040-4020, 10 p.Article

Synthesis and rearrangement of 5-isothiocyanatopyrazolinesGOTOR, V; BRIEVA, R; FOCES-FOCES, M. C et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 6, pp 1783-1792, issn 0040-4020, 10 p.Article

Inverse electron demand Diels-Alder reactions of 5-nitropyrimidine with enamines: synthesis of 3-nitropyridine derivativesMARCELIS, A. T. M; VAN DER PLAS, H. C.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 9, pp 2693-2702, issn 0040-4020, 10 p.Article

Synthesis of the food mutagens MeIQx and 4,8-DiMeIQx by copper(I) promoted quinoxaline formationKNAPP, S; ZIV, J; ROSEN, J. D et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1293-1298, issn 0040-4020, 6 p.Article

An expedient and high yielding synthesis of mefloquine, via fluoride ion-catalyzed Wittig rearrangement. IADAM, S.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1409-1414, issn 0040-4020, 6 p.Article

Enantioselective synthesis of the carbapenem ring system from (S)-prolineASADA, S; KATO, M; ASAI, K et al.Journal of the Chemical Society. Chemical communications. 1989, Num 8, pp 486-488, issn 0022-4936, 3 p.Article

N-chloroazasteroids: a novel class of reactive steroid analogues. Preparation, reaction with thiols, and photochemical conversion to electrophilic N-acyl iminesBACK, T. G; BRUNNER, K.Journal of organic chemistry. 1989, Vol 54, Num 8, pp 1904-1910, issn 0022-3263, 7 p.Article

Non-oxidative methodology for the synthesis of vinblastine and vincristine modelsMAGNUS, P; LADLOW, M; ELLIOTT, J et al.Journal of the Chemical Society. Chemical communications. 1989, Num 8, pp 518-520, issn 0022-4936, 3 p.Article

Studies on antiallergy agents. III: Synthesis of 2-anilino-1,6-dihydro-6-oxo-5-pyrimidine-carboxylic acids and related compoundsOZEKI, K; ICHIKAWA, T; TAKEHARA, H et al.Chemical and pharmaceutical bulletin. 1989, Vol 37, Num 7, pp 1780-1787, issn 0009-2363, 8 p.Article

Synthesis of myo-inositol derivatives required for the total synthesis of surugatoxin, prosurugatoxin, and neosurugatoxinOKADA, K; HASHIZUME, K; TANINO, H et al.Chemical and pharmaceutical bulletin. 1989, Vol 37, Num 3, pp 791-793, issn 0009-2363, 3 p.Article

Tris-imidazole tripodands: synthesis and complexationPOTVIN, P. G; GAU, R; UNRAU, C. M et al.Canadian journal of chemistry (Print). 1989, Vol 67, Num 8, pp 1363-1366, issn 0008-4042, 4 p.Article

Crystal, molecular and electronic structure of 1-H-3-methyl-4-amine-5-thione-1,2,4-triazolESCOBAR-VALDERRAMA, J. L; GARCIA-TAPIA, J. H; RAMIREZ-ORTIZ, J et al.Canadian journal of chemistry (Print). 1989, Vol 67, Num 2, pp 198-201, issn 0008-4042, 4 p.Article

Iminophosphorane-mediated annelation of an imidazole ring into a benzimidazole ring: synthesis of imidazo[1,5-a]benzimidazole derivatives. Crystal structure of 1-(4-methoxyphenylimino)-2-(4-methoxyphenylcarbamoyl)-2,3-dihydro-1H-imidazo[1,5-a]benzimidazoleMOLINA, P; ALAJARIN, M; LOPEZ-LEONARDO, C et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 6, pp 1823-1832, issn 0040-4020, 10 p.Article

Triazolo[4,5-d] pyrimidines. IX: Reactions of 5-chloro-and 5-(methylsulfonyl)-3-phenyl-3H-1,2,3-triazolo[4,5-d] pyrimidines with C-nucleophilesTANJI, K. -I; YAMAMOTO, K; HIGASHINO, T et al.Chemical and pharmaceutical bulletin. 1989, Vol 37, Num 7, pp 1731-1734, issn 0009-2363, 4 p.Article

A macrocycle containing two biphenyl and two alanine subunits, synthesis and conformation in solutionBRANDMEIER, V; FEIGEL, M.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1365-1376, issn 0040-4020, 12 p.Article

A novel class of aza-analogues of sesquifulvalene with a betaine character: 1-alkyl-4-9azolylidene-1,4-dihydropyridinesALCALDE, E; DINARES, I; FRIGOLA, J et al.Journal of the Chemical Society. Chemical communications. 1989, Num 16, pp 1086-1088, issn 0022-4936, 3 p.Article

Some 2-nitromethyl-, 2,6-bis(nitromethyl)-, 2-cyano-, and 2,6-dicyano-substituted derivatives of polyalkylated 3,5-dicyano-a,4-dihydropyridinesKURFURST, A; SCHWARZ, M.Collection of Czechoslovak chemical communications. 1989, Vol 54, Num 5, pp 1346-1357, issn 0010-0765, 12 p.Article

Synthesis of naucléfine, angustidine, angustine, (±)-13b,14-dihydro-angustine and naulafineREPKE, D. B; JAHANGIR; CLARK, R. D et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 9, pp 2541-2550, issn 0040-4020, 10 p.Article

The aza-Robinson annulation: an application to the synthesis of iso-A58365AFANG, F. G; PRATO, M; KIM, G et al.Tetrahedron letters. 1989, Vol 30, Num 28, pp 3625-3628, issn 0040-4039, 4 p.Article

The reactivity of imide carbonyl groups in the intramolecular aza-wittig reaction. An efficient route to iminolactam derivativesEGUCHI, S; TAKEUCHI, H.Journal of the Chemical Society. Chemical communications. 1989, Num 9, pp 602-603, issn 0022-4936, 2 p.Article

Synthesis of (+)-3,4,8,9,13,14,18,19,23,24,28,29-dodecaethoxy-1,6,11,16,21,26-hexaazacyclotriacontane: the first D₆-symmetry organic molecule with known absolute configurationNAEMURA, K; KANDA, Y; YAMANAKA, M et al.Chemistry Letters. 1989, Num 2, pp 283-284, issn 0366-7022, 2 p.Article