Task: Translation
Input (Czech): Způsob výroby (1.alfa.,2.beta.,4.beta.,5.alfa.,7.beta.)-7-[(hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxy-9-azoniatricyklo[3.3.1.0.sup.2,4.n.]nonanbromidu, ve kterém se tropenolester epoxiduje na scopinester a tense methylbromidem kvarternizuje na tiotropiumbromid.ŕ
Output (English): The invention relates to a novel process for preparing (1 alpha , 2 beta , 4 beta , 5 alpha , 7 beta )-7-[(hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.0e2,4->] nonane bromide, in which process tropenol ester is subjected to epoxidation to give scopine ester, which is then quaternized by methyl bromide to tiotropium bromide.