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Results 1 to 25 of 9893

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Cyclization studies with N-Mannich bases of 2-substituted indolesBURGER, U; BRINGHEN, A. O.Helvetica chimica acta. 1989, Vol 72, Num 1, pp 93-100, issn 0018-019X, 8 p.Article

Synthesis of a fluoro seco phenanthroindolizidine analogueVENKATACHALAM, S. R; BADHEKA, L. P; MULCHANDANI, N. B et al.Journal of fluorine chemistry. 1989, Vol 44, Num 1, pp 155-159, issn 0022-1139, 5 p.Article

Total synthesis of the angiotensin-converting enzyme inhibitor A58365A: on the use of pyroglutamate as a chiral eductFANG, F. G; DANISHEFSKY, S. J.Tetrahedron letters. 1989, Vol 30, Num 28, pp 3621-3624, issn 0040-4039, 4 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 preparation and reactions of 2-azidocarbapenemsCHABALA, J. C; CHRISTENSEN, B. G; RATCLIFFE, R. W et al.Tetrahedron letters. 1985, Vol 26, Num 44, pp 5407-5410, issn 0040-4039Article

Heterocyclic mesomeric betaines. III: Synthesis and base-catalysed exchange reactions of N-methyl-5H-pyrrolo[1,2-c]imidazolium iodideOLLIS, W. D; STANFORTH, S. P; RAMSDEN, C. A et al.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 5, pp 957-960, issn 0300-922X, 4 p.Article

Enantiospecific synthesis of swainsonine, (1S, 2R, 8R, 8aR)-1,2,8-trihydroxyoctahydroindolizine, from D-mannoseFLEET, G. W. J; GOUGH, M. J; SMITH, P. W et al.Tetrahedron letters. 1984, Vol 25, Num 17, pp 1853-1856, issn 0040-4039Article

Synthese von Verbindungen mit Aminoguanidinstruktur. X: Zur Synthese neuer 4-Alkyltetrazolo[5,1-b]chinazolin-9(4H)-one und einiger 4-Aryltetrazolo[1,5-a]chinazolin-5(4H)-one = Synthèse de composés à structure aminoguanidine. X: Synthèse de nouvelles alkyl-4 4H-tétrazolo [5,1-b] quinazolones-9 et de quelques aryl-4 4H-tétrazolo [1,5-a] quinazolones-5 = Synthesis of compounds with aminoguanidine structure. X: Synthesis of new 4-alkyltetrazolo [5,1-b] quinazolin-9(4H)-ones and of 4-aryltetrazolo [1,5-a] quinazolin-5(4H)-onesKOTTKE, K; KÜHMSTEDT, H.Pharmazie. 1984, Vol 39, Num 12, pp 867-868, issn 0031-7144Article

Synthetic approaches to fumitremorgins. III: Synthesis of optically active pentacyclic ring systems, and their oxidation at ring CNAKAGAWA, M; FUKUSHIMA, H; KAWATE, T et al.Chemical and pharmaceutical bulletin. 1989, Vol 37, Num 1, pp 23-32, issn 0009-2363, 10 p.Article

N-bridged annulenesFLITSCH, W.Pure and applied chemistry. 1986, Vol 58, Num 1, pp 153-160, issn 0033-4545Article

Formation of the first trimeric monoterpenoid indole alkaloidsSCHÜBEL, H; FAHN, W; STÖCKIGT, J et al.Helvetica chimica acta. 1989, Vol 72, Num 1, pp 147-150, issn 0018-019X, 4 p.Article

Fused s-triazino heterocycles. XIII: 1,3,7,10,11c-Pentaazabenz[de]anthracene and 1,3,7,10,11,13,13d-heptaazabenz[de]cyclopenta[h]anthracene, two new ring systemsSHAW, J. T; ACCIAI, G. F; BABIN, J. E et al.Journal of heterocyclic chemistry. 1986, Vol 23, Num 2, pp 381-383, issn 0022-152XArticle

Synthesis of a novel ring system: 6H-benzimidazo[1,2a]pyrido[2,1-d][1,3,5]triazin-6-oneBOSSIO, R; MARCACCINI, S; PARRINI, V et al.Heterocycles (Sendai). 1985, Vol 23, Num 2, pp 391-393, issn 0385-5414Article

Synthesis of 6-epithienamycinKNIERZINGER, A; VASELLA, A.Journal of the Chemical Society. Chemical communications. 1984, Num 1, pp 9-11, issn 0022-4936Article

Pyrazino[2,1,6-cd:5,4,3-c'd']dipyrrolizine: a doubly bridged [14]annulene of cyclazine typeLEAVER, D; SKINNER, D.Journal of the Chemical Society. Chemical communications. 1984, Num 13, pp 821-822, issn 0022-4936Article

Alternative syntheses of the antitumour drug temozolomide avoiding the use of methyl isocyanateYONGFENG WANG; STEVENS, M. F. G; THOMSON, W et al.Journal of the Chemical Society. Chemical communications. 1994, Num 14, pp 1687-1688, issn 0022-4936Article

Short and stereoselective synthesis of (±)-ibogamine via a vinylsulfone intermediate. IVHERDEIS, C; HARTKE-KARGER, C.Liebigs Annalen der Chemie. 1991, Num 2, pp 99-104, issn 0170-2041, 6 p.Article

Unusual formation of sterically hindered primary amines in a series of pyrrolo- and pyrido[1,2-a]indolesJIRKOVSKY, I; GREENBLATT, L; BAUDY, R et al.Collection of Czechoslovak chemical communications. 1991, Vol 56, Num 11A, pp 2278-2287, issn 0010-0765Article

Cascade reactions. A simple one-pot synthesis of the mitomycin skeletonDEFOIN, A; GEFFROY, G; LE NOUEN, D et al.Helvetica chimica acta. 1989, Vol 72, Num 6, pp 1199-1215, issn 0018-019X, 17 p.Article

Nouvelle voie d'accès au pyrimido-pyrazolinones et triazolotriazines par action des imidates N-acyles et N-ethoxy-carbonyles sur l'amino-5 méthyl-1 pyrazoline-4 one-3 et l'amino-4-triazole-1, 2, 4 = New access to pyrimidopyrazolinones and triazolotriazines by action of N-acylimidates and N-ethoxycarbonyles on 5 amino-1-methyl-4-pyrazolin-3 one and 4-amino-1,2,4-triazoleKADDACHI, M. T; HAJJEM, B; BACCAR, B et al.Journal de la Société chimique de Tunisie. 1989, Vol 2, Num 9, pp 9-15, issn 0253-1208, 7 p.Article

Synthèse de 6H- et de 4H-pyrido[2,3-c]pyrrolo[1,2-e]triazépines-1,2,5 = Synthesis of 6H- and 4H-pyrido [2,3-c] pyrrolo [1,2-e] triazepinesLANCELOT, J.-C; ROBBA, M.Chemical and pharmaceutical bulletin. 1988, Vol 36, Num 7, pp 2381-2385, issn 0009-2363Article

On the remarkable stability of derivatives of leucomitomycin F. novel mitomycin analoguesEGBERTSON, M; DANISHEFSKY, S. J; SCHULTE, G et al.Journal of organic chemistry. 1987, Vol 52, Num 19, pp 4424-4426, issn 0022-3263Article

The synthesis and characterisation of cyclazines and related N-bridged annulenesLEAVER, D.Pure and applied chemistry. 1986, Vol 58, Num 1, pp 143-152, issn 0033-4545Article

SYnthesis of 4-azahomoadamantano [4,5-a] pyrroles and related derivatives by enamine cyclizations and 1,3-dipolar cycloadditionsEGUCHI, S; WAKATA, Y; SASAKI, T et al.Journal of chemical research. Synopses (Print). 1985, Num 5, issn 0308-2342, 146Article

Formal dyotropic rearrangements of N-chloroamines catalysed by aluminaDAVIES, J. W; MALPASS, J. R; WALKER, M. P et al.Journal of the Chemical Society. Chemical communications. 1985, Num 11, pp 686-687, issn 0022-4936Article

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