A process for the preparation of a compound of formulain the form of a single stereoisomer, comprising deprotecting the amine group in an N-protected amino-hydroxy-cyclohexylsulfanyl-acetyl-mutilin of formulawherein R is an amine protecting group in the form of a single stereoisomer,and isolating a compound of formula I in the form of a single stereoisomer obtained from the reaction mixture； compounds obtainable by such processes, e.g. a compound of formula I in a crystalline form, or salts of a compound of formula I in crystalline form, and processes for the preparation of intermediates for the production of a compound of formula I.Mevcut buluş, kristalin 14-O-{[(4-amino-2-hidroksi-sikloheksil)-sulfanil]-asetil}-mutilin, bunun hazırlanması için yeni prosesler ve bunun kristalin tuzları ile ilgilidir.
