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- [41] 1,4- and 1,3-dipolar reactivity of α-alkoxycarbonylcycloimmonium N-aminides with dipolarophiles:: Synthesis of new imidazo[2,1-f][1,2,4]triazinium inner saltsJOURNAL OF ORGANIC CHEMISTRY, 2001, 66 (25): : 8528 - 8536Valenciano, JSánchez-Pavón, ECuadro, AMVaquero, JJAlvarez-Builla, J
- [42] Intramolecular inverse-electron-demand Diels-Alder reactions of imidazoles with 1,2,4-triazines: A new route to 1,2,3,4-tetrahydro-1,5-naphthyridines and related heterocyclesJOURNAL OF ORGANIC CHEMISTRY, 2004, 69 (21): : 7171 - 7182Lahue, BRLo, SMWan, ZKWoo, GHCSnyder, JK
- [43] New phenanthrene systems: Spiro-fused tricyclic phenanthro-1,2,4-triazolo-[4,3-d]-1,2,4-triazines and -[3,4-d]-1,2,5-oxadiazines: Ring expansions of N-methylphenanthroazoliumsJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1997, (07): : 1047 - 1050Butler, RNMcMahon, JMMcDonald, PDPyne, CSSchambony, SMcArdle, PCunningham, D
- [46] 1,2,3-triazolium-1-unsubstituted methanides, carbon analogues of triazole-N-oxides: A 1,3-dipole cascade from 1,2,3-triazolium-1-methanide to 1,2,4-triazinium-4-methanide: New routes to pyrrolo[1,2-c][1,2,3]triazoles, pyrrolo[1,2-d][1,2,4]triazines and substituted 1-aminopyrroles, azolium 1,3-dipolesJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1996, (13): : 1617 - 1621Butler, RNMcDonald, PDMcArdle, PCunningham, D
- [47] 1,2,3-TRIAZOLIUM-1-OXIDE, -1-IMIDE AND 1-METHANIDE HETERO-1,3,5-TRIENE EQUILIBRIUM - ABINITIO CALCULATIONS - A NEW BASE INDUCED RING EXPANSION OF 1-ALKYL-1,2,3-TRIAZOLIUM SALTS TO 2,3-DIHYDRO-1,2,4-TRIAZINES AND 1-AMINOIMIDAZOLES VIA THE 1,2,5-TRIAZAHEXA-1,3,5-TRIENE SYSTEM - AZOLIUM 1,3-DIPOLESJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1992, (01): : 147 - 152BUTLER, RNDUFFY, JPCUNNINGHAM, DMCARDLE, PBURKE, LA