Some new N-d-glucosyl derivatives have been obtained from simpler d-glucosylamine derivatives by further substitution of the aglycon groups. Condensation of (tetra-O-acetyl-d-glucopyranosyl)thiourea (1) with 1-chloro-2-propanone gave 4 methyl-2-(tetra-O-acetyl-d-glucopyranosylamino)thiazole (2) and, with 2-bromo-acetophenone, the corresponding 4-phenyl analogue (4). Treatment of 4-(tetra-O-acetyl-d-glucopyranosyl)thiosemicarbazide (5) with triethyl orthoformate gave 2-(tetra-O-acetyl-d-glucopyranosylamino)-1,3,4-thiadiazole (6).5-(Tetra-O-acetyl-d-glucopyranosylamino)-1,2,3,4-thiatriazole (9) was prepared by the action of nitrous acid on 5 as well as by the action of azoimide on tetra-O-acetyl-d-glucopyranosyl isothiocyanate (8). The addition of p-chloroaniline to 8 or p-chlorophenyl isothiocyanate to tetra-O-acetyl-d-glucopyranosylamine (11) gave N-(p-chlorophenyl)N′-tetra-O-acetyl-d-glucopyranosyl)thiourea (12). The tetraacetates of the new d-glucosylamine derivatives were deacetylated. 1-[(Tetra-O-acetyl-d-glucopyranosyl)thiocarbamoyl]thiosemicarbazide, (14) was synthesised from 8 by treatment with thiosemicarbazide, and 1,5-bis[(tetra-O-acetyl-d-glucopyranosyl)thiocarbamoyl]thiocarbonohydrazide (15) was obtained from 8 and thiocarbohydrazide. Preparation of some new (O-acetyl-d-glucosyl)thiosemicarbazones is described, and physical and infrared data of these compounds are included.
|Number of pages||9|
|Publication status||Published - Nov 1 1967|
ASJC Scopus subject areas
- Analytical Chemistry
- Organic Chemistry