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Präbetanin, ein Schwefelsäure‐halbester des Betanins. Ein Beitrag zur Kenntnis der Betacyane
Author(s) -
Wyler H.,
Rösler H.,
Mercier M.,
Dreiding André S.
Publication year - 1967
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19670500220
Subject(s) - chemistry , betanin , sulfuric acid , organic chemistry , pigment
Prebetanin, a minor companion of betanin in the red beet, was isolated and found to be the 6′‐sulfuric acid half‐ester of betanin. The arguments are based on elemental analyses, partial hydrolysis and methanolysis, and on comparison of the NMR‐spectra of prebetanin and betanin, and of their derivatives.