15 sulfonyl - 12 - pentadecanolide and their use in a process for producing 5 - hydroxy cyclopentadecanonen

摘要

new compounds of the formula (formula (ii, iii), in which r is a hydrogen atom or an alkyl or methylrest and q arylrest, are, as intermediates for the manufacture of compounds of the formula (formula i) are used, which in turn ausgansprodukte the macrocyclischen fragrance toffe exaltone and muskon.