Chemistry of Natural Compounds p. 193 - 197 (1991)
Update date:2022-08-05
Topics:
Mil'grom, Yu. M.
Rashkes, Ya. V.
Sadovskaya, V. L.
Saatov, Z.
Features of the fragmentation of the carbohydrate chains of galactopyranosides of ecdysteroids (sileneosides A-D) and their peracetates under electron impact are discussed.The migration of Gal and AcGal residues from C-22 to C-20 has been detected.The secondary-ion mass spectra of the sileneosides using liquid matrices are considered.
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