Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Richard M. Sheeley"'
Publikováno v:
Journal of Liquid Chromatography. 5:939-943
High performance liquid chromatography has been employed to separate and identify 7-methylxanthine in aqueous extracts of defatted chocolate liquor. The alkaloid was identified by comparison of its behavior in a variety of solvent systems with that o
Publikováno v:
Journal of Liquid Chromatography. 9:2969-2976
Lecithins are a constituent of all living membranes. While lecithins are found in both plants and animals, the specific fatty acid subunits vary considerably between plants and animals. The lecithins of plant origin are chiefly derived from soy but o
Publikováno v:
Journal of Liquid Chromatography. 10:3173-3181
The HPLC separation of phospholipid mixtures was investigated on silica, amino, and diol columns, using mobile phases consisting of acetonitrile, methanol, and phosphoric or trifluoroacetic acids in varying proportions. An explanation of the mechanis
Publikováno v:
Journal of Liquid Chromatography. 10:2145-2150
Uridine has been identified as a minor component of defatted Ecuadorian cacao liquor through reverse phase HPLC of aqueous extracts. The nucleoside was identified by comparison of its behavior in a variety of mobile phases and column types as well as
Publikováno v:
Journal of Heterocyclic Chemistry. 13:337-348
The acid-catalyzed condensation of 2-amino-1,3-propanediols and 1,4-diketones under water-azeotroping conditions has led to the first synthesis of the new tent-like, essentially strain-free heterotricyclic system, 2,6-dioxa-10-azatricyclo[5.2.1.04,10
Publikováno v:
Journal of Liquid Chromatography. 9:887-891
High performance liquid chromatography has been employed to separate and identify adenine in aqueous extracts of defatted chocolate liquor. The purine was identified by comparison of its behavior in a variety of solvent systems with that of an authen
Publikováno v:
Journal of Heterocyclic Chemistry. 5:757-767
The syntheses in good yields of a considerable number of moderately to severely sterically-crowded 1,2,5-trisubstituted pyrroles by means of modifications of the Knorr-Paal condensation are described. Notwithstanding reports to the contrary, the clas
Publikováno v:
Journal of Agricultural and Food Chemistry. 29:1096-1098
Autor:
Richard M. Sheeley
Publikováno v:
Journal of Chemical Education. 57:A55
Autor:
Richard M. Sheeley
Publikováno v:
Journal of Chemical Education. 62:A270