The complete definition of the chemical structure of GD1b-ganglioside (GD1b) lactone isolated from human brain has been given by means of spectrometric and spectroscopic analyses. GD1h lactone contains a single ester linkage involving the external sialic acid carboxyl group and the C-9 hydroxyl group of the internal sialic acid unit. A synthetic lactone of GD1b prepared treating GD1b with glacial acetic acid characterized in the same way showed an identical chemical structure.
GANGLIOSIDE LACTONES - H-1-NMR DETERMINATION OF THE INNER ESTER POSITION OF GD1B-GANGLIOSIDE LACTONE NATURALLY-OCCURRING IN HUMAN-BRAIN OR PRODUCED BY CHEMICAL SYNTHESIS / D. ACQUOTTI, G. FRONZA, L. RIBONI, S. SONNINO, G. TETTAMANTI. - In: GLYCOCONJUGATE JOURNAL. - ISSN 0282-0080. - 4:2(1987), pp. 119-127.
Titolo: | GANGLIOSIDE LACTONES - H-1-NMR DETERMINATION OF THE INNER ESTER POSITION OF GD1B-GANGLIOSIDE LACTONE NATURALLY-OCCURRING IN HUMAN-BRAIN OR PRODUCED BY CHEMICAL SYNTHESIS |
Autori: | SONNINO, SANDRO (Penultimo) TETTAMANTI, GUIDO (Ultimo) |
Parole Chiave: | ganglioside lactones; NMR |
Settore Scientifico Disciplinare: | Settore BIO/10 - Biochimica |
Data di pubblicazione: | 1987 |
Rivista: | |
Tipologia: | Article (author) |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1007/BF01049450 |
Appare nelle tipologie: | 01 - Articolo su periodico |