Reaction of phenyl 2-0-acetyl-4,5-0-benzylidene-3-deoxy-3-nitro-.beta.-D-glucopyranoside with alkali azide

1-Methyl(or phenyl)-5-(penta-O-acetyl-d-

1-Methyl(or phenyl)-5-(penta-O-acetyl-d-galacto-pentitol-1-yl)pyrazoles from the reactions of 3,4,5,6,7-penta-O-acetyl-1,2-dideoxy-1-nitro-d-galacto-hept-1-enitol with aldehyde methyl(or phenyl)hydrazones

✍ Manuel Gómez-Guillén; José María Lassaletta Simon 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 887 KB

The title hept-I -enitol( 2) reacted with aldehyde methyl(or phenyl)hydrazones in refluxing methanol or butyl acetate to give I-methyl(or phenyl)-5-(penta-O-acetyl-~-~~u~u~f~~-pentitol-l-yl)pyrazoles in good (for I-methylpyrazoles) or moderate yields (for I-phenylpyrazolcs). The 0-deacetylated produ