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Synthesis of and nucleophilic addition reactions to an 5-ethenyl-1,2,4-triazolo[4,3-a]pyrazine derivativeBRADBURY, R. H.Heterocycles (Sendai). 1991, Vol 32, Num 3, pp 449-458, issn 0385-5414Article

Versatile methods of synthesis of 5 to 8-membered ring N-heterocycles via intramolecular cycloadditions of allylaminesLOKANATHA RAI, K. M; HASSNER, A.Heterocycles (Sendai). 1990, Vol 30, Num 2, pp 817-830, issn 0385-5414Article

A novel convenient synthesis of 8-oxo-3-thioxo-2,3,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazinesKEE-JUNG LEE; SEONGKON KIM; HYUNSUK UM et al.Synthesis (Stuttgart). 1989, Num 8, pp 638-641, issn 0039-7881Article

Synthesis of some new 5-chloro-7-mercapto-1-methyl/phenyl-1,2,4-triazolo[4,5-b]pyrazin-2(1H)-ones and 5-chloro-3-thiopyrazin-2(1H)-one derivatives as possible antibacterial and antifungal agentsBHATTACHARYA, B. K.Journal of heterocyclic chemistry. 1986, Vol 23, Num 1, pp 113-118, issn 0022-152XArticle

1,2,4-triazolo[4,3-a]pyrozine derivatives with human inhibitory activity. 2.1 synthesis, biological properties and molecular modeling of hydroxyethylene isostere derivativesBRADBURY, R. H; MAJOR, J. S; OLDHAM, A. A et al.Journal of medicinal chemistry (Print). 1990, Vol 33, Num 9, pp 2335-2342, issn 0022-2623Article

Organic azides. II: Synthesis and cycloaddition of propargylic azidesPRIEBE, H.Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry. 1984, Vol 38, Num 7, pp 623-626, issn 0302-4369Article

1,2,4-triazolo[4,3-a]pyrazine derivatives with human renin inhibitory activity. Synthesis and biological properties of alkyl alcohol and statine derivativesROBERTS, D. A; BRADBUGY, R. H; WATERSON, D et al.Journal of medicinal chemistry (Print). 1990, Vol 33, Num 9, pp 2326-2334, issn 0022-2623Article

Synthesis of nitrogen-bridged purine-like C-nucleosides from ethyl 2,5-anhydro-6-O-benzoyl-D-allonodithioateEL KHADEM, H. S; KAWAI, J; SWARTZ, D. L et al.Carbohydrate research. 1989, Vol 189, pp 149-160, issn 0008-6215Article

A novel synthesis and transformations of 1H-pyrazino/2,3-e/1,3,4-thiadiazine derivativesKOREN, B; STANOVNIK, B; TISLER, M et al.Heterocycles (Sendai). 1985, Vol 23, Num 4, pp 913-925, issn 0385-5414Article

SYNTHESIS OF NOVEL FUSED BETA -LACTAMS BY INTRAMOLECULAR 1,3-DIPOLAR CYCLOADDITIONS. V: TRIAZOLOCEPHEMS AND TRIAZOLOPENAMSBRANCH CL; FINCH SC; PEARSON MJ et al.1982; TETRAHEDRON LETT.; ISSN 0040-4039; GBR; DA. 1982; VOL. 23; NO 42; PP. 4381-4384; BIBL. 12 REF.Article

Reaktionen eines Thieno[3,4-c]isothiazols mit 1,2,4-Triazolin-3,5-dionen und Alkinen = Réactions d'un thiéno [3,4-c] isothiazole avec des triazoline-1,2,4diones-3,5 et des alcynes = Reactions of a thieno [3,4-c] isothiazole with 1,2,4-triazoline-3,5diones and alkynesGOTTHARDT, H; BÖHM, F.-R.Liebigs Annalen der Chemie. 1986, Num 10, pp 1796-1803, issn 0170-2041Article

Synthesis of novel fused β-lactams by intramolecular 1,3-dipolar cycloadditions. VII: (9RS,9aRS)-9,9a-dihydro-5-methyl-8-oxo-9-phenoxyacetamido-8H-azeto[1,2a]v-triazolo[5,1-c]pyrazine-6-carboxylic acids and (3bRS,4RS,7RS)-4,5-dihydro-5-oxo-4-phenoxyacetamido-3bH-azeto[1',2'5:3,4]-imidazo[1,5-c]v-triazole-7-carboxylic acidBRANCH, C. L; FINCH, S. C; PEARSON, M. J et al.Journal of the Chemical Society. Perkin transactions. I. 1985, Num 7, pp 1491-1498, issn 0300-922XArticle

REACTIONS OF N-HETEROARYLFORMAMIDE OXIMES AND N-HETERO-ARYLACETAMIDE OXIMES WITH N-N-DIMETHYLFORMAMIDE DIMETHYL ACETAL. SYNTHESIS OF 2-METHYL-S-TRIAZALO (1,5-X) AZINES AND N-METHYLCYANOAMINOAZINESSTANOVNIK B; STIMAC A; TISLER M et al.1982; J. HETEROCYCL. CHEM.; ISSN 0022-152X; USA; DA. 1982; VOL. 19; NO 3; PP. 577-583; BIBL. 24 REF.Article

SYNTHESIS AND REACTIONS OF 5,6-DICHLORO-3-NITROPYRAZINAMINEHARTMAN GD; HARTMAN RD.1983; JOURNAL OF HETEROCYCLIC CHEMISTRY; ISSN 0022-152X; USA; DA. 1983; VOL. 20; NO 4; PP. 1089-1091; BIBL. 6 REF.Article

RING TRANSFORMATIONS OF SOME 4-AMINOPTERIDINE 3-OXIDES AND DERIVATIVESKOCEVAR M; STANOVNIK B; TISLER M et al.1983; TETRAHEDRON; ISSN 0040-4020; GBR; DA. 1983; VOL. 39; NO 5; PP. 823-829; BIBL. 8 REF.Article

Aza-2-diènes-1,3. V: Préparation de N-aminoimidazoles, 3H-pyrroles, triazolo[1,2,4][1,5-a]pyrazines et imidazo[1,2-a]pyrazines = 2-Aza-1,3-dienes. V: Access to N-aminoimidazoles, 3H-pyrroles, [1,2,4] triazolo [1,5-a] pyrazines, on imidazo [1,2-a] pyrazinesLEGROUX, D; SCHOENI, J.-P; PONT, C et al.Helvetica chimica acta. 1987, Vol 70, Num 1, pp 187-195, issn 0018-019XArticle

Azomalonic ester syntheses. I: One-step synthesis of triazolo[1,4]benzodiazepine from azomalonates. Preparation of novel polyaza tricycles from diethyl(2-chloroacetamido)malonateHECKENDORN, R.Helvetica chimica acta. 1987, Vol 70, Num 8, pp 2118-2129, issn 0018-019XArticle

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