UN PROCEDIMIENTO PARA PRODUCIR UN NUEVO INHIBIDOR DE (-D-MA-NOSIDASA,LA MANOSTATINA,O SU S-OXIDO

摘要

A novel alpha -D-mannosidase inhibitor, mannostatin, or its S-oxide, expressed by the following formula (1) wherein n denotes 0 or 1, and a process for producing it by culturing an actinomycete of the genus Streptomyces, said actinomycete having the ability to produce said compound of the formula (1)