Zobrazeno 1 - 10
of 16
pro vyhledávání: '"G W, Hay"'
Publikováno v:
Carbohydrate research. 226(1)
1,2,3,2',3',4',6'-Hepta-O-acetyl-beta-lactose (4) was coupled with 2,3,6,2',3',4',6'-hepta-O-acetyl-alpha-lactosyl bromide (7) in the presence of Hg(CN)2 to afford 1,2,3,2',3',4',6'-hepta-O-acetyl-6-O-(2,3,6,2',3',4',6'-hepta-O-acetyl-b eta- lactosyl
Publikováno v:
Carbohydrate research. 219
The reaction of 2,3,6,2',3',4',6'-hepta-O-acetyl-alpha-lactosyl bromide (4) and benzyl 3,4-di-O-benzyl-alpha-D-mannopyranoside (3) in the presence of mercury(II) cyanide in benzene-nitromethane produced benzyl 3,4-di-O-benzyl-2,6-bis-O-(2,3,6,2',3',4
Publikováno v:
Canadian Journal of Microbiology. 7:921-932
Aspergillus flavus produces an adaptive glycosidase (rutinase) that hydrolyzes rutin to quercetin and rutinose. Production of rutinase occurs when the mold is grown on the glycosides rutin, hyperosid, and naringin, and on the aglycones quercetin, kae
Publikováno v:
Canadian Journal of Chemistry. 48:2474-2483
Experimental conditions using a variety of pH buffers have been established to permit the rapid, accurate determination of periodate and formaldehyde by polarography. The application of these analyses to quantitative studies in the oxidation of carbo
Autor:
G. W. Hay, Susan J. Scott
Publikováno v:
Canadian Journal of Chemistry. 45:2217-2225
Alkaline extraction of the chlorite holocellulose from the roots of the sugar maple (Acer saccharum) yielded a mixture of hemicellulose material which gave glucose, xylose, galactose, an acidic component, and arabinose in the approximate molar ratio
Autor:
A. L. Fink, G. W. Hay
Publikováno v:
Canadian Journal of Chemistry. 47:845-853
The nitrate ester, formed by reaction with fuming nitric acid in acetic anhydride at 0 °C, was suitable to block free hydroxyl groups in partially acetylated sugars without acetyl migration. This allowed the acetylated positions in partially acetyla
Autor:
D. M. Vyas, G. W. Hay
Publikováno v:
Canadian Journal of Chemistry. 49:3755-3758
A Diels–Alder reaction between cyclopentadiene and methyl cyanodithioformate afforded a 60:40 mixture of the isomers 2a and b. The n.m.r. studies of these compounds and the products of LiAlH4 reduction, 3a and b, established that the major isomer,
Publikováno v:
Proceedings. Annual meeting - American Society of Brewing Chemists. 20:127-131
(1962). The Carbohydrates of Beer. I. The Neutral, Low-Molecular-Weight Components of Commercial Beer. Proceedings. Annual meeting - American Society of Brewing Chemists: Vol. 20, Proceedings of the Annual Meeting 1962, pp. 127-131.
Publikováno v:
Chemischer Informationsdienst. 14
Autor:
D. M. Vyas, G. W. Hay
Publikováno v:
Chemischer Informationsdienst. 3