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Results: 1-13 |
Results: 13
Double 1,4-addition of malonate to 1,2-diaza-1,3-butadienes: a useful route to previously unknown symmetric and unsymmetric 1,6-dioxo-2,7-diazaspiro[4.4]nona-3,8-dienes
Authors: Attanasi, OA De Crescentini, L Filippone, P Mantellini, F
Citation: Oa. Attanasi et al., Double 1,4-addition of malonate to 1,2-diaza-1,3-butadienes: a useful route to previously unknown symmetric and unsymmetric 1,6-dioxo-2,7-diazaspiro[4.4]nona-3,8-dienes, NEW J CHEM, 25(4), 2001, pp. 534-537
Straightforward entry to new 4-substituted-1,2,3-thiadiazoles from 1,2-diaza-1,3-butadienes via Hurd-Mori reaction
Authors: Attanasi, OA De Crescentini, L Filippone, P Mantellini, F
Citation: Oa. Attanasi et al., Straightforward entry to new 4-substituted-1,2,3-thiadiazoles from 1,2-diaza-1,3-butadienes via Hurd-Mori reaction, SYNLETT, (4), 2001, pp. 557-559
Solid-phase synthesis of 4-triphenylphosphoranylidene-4,5-dihydropyrazol-5-ones, 4-aminocarbonyl-pyrroles, 4-methoxy-1H-pyrazol-5(2H)-ones and 2-thiazolin-4-ones from polymer-bound 1,2-diaza-1,3-butadienes
Authors: Attanasi, OA De Crescentini, L Filippone, P Mantellini, F Tietze, LF
Citation: Oa. Attanasi et al., Solid-phase synthesis of 4-triphenylphosphoranylidene-4,5-dihydropyrazol-5-ones, 4-aminocarbonyl-pyrroles, 4-methoxy-1H-pyrazol-5(2H)-ones and 2-thiazolin-4-ones from polymer-bound 1,2-diaza-1,3-butadienes, TETRAHEDRON, 57(27), 2001, pp. 5855-5863
Regioselective synthesis of stable 2-(trifluoromethyl)-2,3-dihydro-1H-pyrrol-2-ols and derived fluorinated heterocycles
Authors: Attanasi, OA Filippone, P Guidi, B Mantellini, F Santeusanio, S
Citation: Oa. Attanasi et al., Regioselective synthesis of stable 2-(trifluoromethyl)-2,3-dihydro-1H-pyrrol-2-ols and derived fluorinated heterocycles, SYNTHESIS-S, (12), 2001, pp. 1837-1845
A new convenient liquid- and solid-phase synthesis of quinoxalines from (E)-3-diazenylbut-2-enes
Authors: Attanasi, OA De Crescentini, L Filippone, P Mantellini, F Santeusanio, S
Citation: Oa. Attanasi et al., A new convenient liquid- and solid-phase synthesis of quinoxalines from (E)-3-diazenylbut-2-enes, HELV CHIM A, 84(8), 2001, pp. 2379-2386
'Inverse-electron-demand' Diels-Alder reactions of (E)-3-diazenylbut-2-enes in water
Authors: Attanasi, OA De Crescentini, L Filippone, P Fringuelli, F Mantellini, F Matteucci, M Piermatti, O Pizzo, F
Citation: Oa. Attanasi et al., 'Inverse-electron-demand' Diels-Alder reactions of (E)-3-diazenylbut-2-enes in water, HELV CHIM A, 84(2), 2001, pp. 513-525
Easy synthesis of new 2-oxo-2,3-dihydro-1H-pyrrolo[1,2-b]pyrazole systems
Authors: Attanasi, OA De Crescentini, L Filippone, P Mantellini, F
Citation: Oa. Attanasi et al., Easy synthesis of new 2-oxo-2,3-dihydro-1H-pyrrolo[1,2-b]pyrazole systems, SYNLETT, (7), 2000, pp. 955-958
Reaction between conjugated azoalkenes and pyrazolinones: A precious entryto new conjugated azodiene and asymmetric 4,4 '-bipyrazole derivatives
Authors: Attanasi, OA Filippone, P Fiorucci, C Mantellini, F
Citation: Oa. Attanasi et al., Reaction between conjugated azoalkenes and pyrazolinones: A precious entryto new conjugated azodiene and asymmetric 4,4 '-bipyrazole derivatives, CHEM LETT, (9), 2000, pp. 984-985
2-oxohydrazones, 4-hydrazono-1H-pyrazol-5-ones, and derived products by air oxidation of 1,2-hydrazino-hydrazones
Authors: Attanasi, OA De Crescentini, L Filippone, P Foresti, E Mantellini, F
Citation: Oa. Attanasi et al., 2-oxohydrazones, 4-hydrazono-1H-pyrazol-5-ones, and derived products by air oxidation of 1,2-hydrazino-hydrazones, J ORG CHEM, 65(9), 2000, pp. 2820-2823
First preparation and reaction of polymer-bound 1,2-diaza-1,3-butadienes. A convenient entry to 4-triphenylphosphoranylidene-4,5-dihydropyrazol-5-ones
Authors: Attanasi, OA Filippone, P Guidi, B Hippe, T Mantellini, F Tietze, LF
Citation: Oa. Attanasi et al., First preparation and reaction of polymer-bound 1,2-diaza-1,3-butadienes. A convenient entry to 4-triphenylphosphoranylidene-4,5-dihydropyrazol-5-ones, TETRAHEDR L, 40(52), 1999, pp. 9277-9280
Aspects of the chemistry of functionalized 1-phenylpyrazoles available from 1,2-diaza-1,3-butadienes and 2-phenylazo-1,3-dicarbonyl compounds
Authors: Attanasi, OA Filippone, P Fiorucci, C Mantellini, F
Citation: Oa. Attanasi et al., Aspects of the chemistry of functionalized 1-phenylpyrazoles available from 1,2-diaza-1,3-butadienes and 2-phenylazo-1,3-dicarbonyl compounds, TETRAHEDR L, 40(20), 1999, pp. 3891-3894
Easy access to (E,Z)-beta-nitro-alpha,beta-olefinated hydrazones, 6-oxo-1,6-dihydropyridazines, and 4-chloro-1-aminopyrroles by domino reactions of 1,2-diaza-1,3-butadienes with halogen-coactivated methylene or methine compounds
Authors: Attanasi, OA Ballini, R De Crescentini, L Filippone, P Mantellini, F
Citation: Oa. Attanasi et al., Easy access to (E,Z)-beta-nitro-alpha,beta-olefinated hydrazones, 6-oxo-1,6-dihydropyridazines, and 4-chloro-1-aminopyrroles by domino reactions of 1,2-diaza-1,3-butadienes with halogen-coactivated methylene or methine compounds, J ORG CHEM, 64(26), 1999, pp. 9653-9657
Reaction of some 1,2-diaza-1,3-butadienes with activated methine compounds. A straightforward entry to 1,4-dihydropyridazine, pyridazine, and 4,5(4H,5H)-cyclopropylpyrazole derivatives
Authors: Attanasi, OA Filippone, P Fiorucci, C Foresti, E Mantellini, F
Citation: Oa. Attanasi et al., Reaction of some 1,2-diaza-1,3-butadienes with activated methine compounds. A straightforward entry to 1,4-dihydropyridazine, pyridazine, and 4,5(4H,5H)-cyclopropylpyrazole derivatives, J ORG CHEM, 63(26), 1998, pp. 9880-9887
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