New saccharide compounds useful in treating schizophrenia

摘要

Saccharide compounds (I) are new, as is the microorganism Ustilago maydis DSM 11494 which is capable of producing at least some of these compounds. Saccharide compounds of formula (I), and their salts are new: R2-R4 = 2-25C acyl (optionally substituted by one to three 6-12C aryl); R = H or a group as for R2-R4; provided that when R = H, then R2 is not optionally substituted 2C acyl An Independent claim is included for the microorganism Ustilago maydis DSM 11494.