Preparation and use of vinylpyranoanthocyanic compound with general structure in which any one of R1, R2, R3 and R5 groups can be a group H, OH, alcoxyl, a simple, mono or polyacylate

摘要

The preparation and use are for a vinylpyranoanthocyanic compound with general structure in which any one of the R1, R2, R3 and R5 groups can be a group H, OH, alkoxyl, a simple, mono or polyacylate O-diglycosil or an O-diglycoside simple, mono or polyacylate. R4 corresponds to an H or OH, R6 corresponds to an alkyl or an aryl, and Y corresponds to an ion or a salt.