Patent ID: 7534789

Claim:
Enantiomerically pure compounds of formula 1 wherein: n denotes 1, 2, 3 or 4; X denotes CH 2 , CO, NR 2 , S or O; B denotes a double-bonded group of formula CR 3 R 4 —O; R 1 denotes H, C 1-6 -alkyl, C 2-6 -alkenyl, C 2-6 -alkynyl, C 3-6 -cycloalkyl, C 1-6 -haloalkyl, O—C 1-6 -haloalkyl, halogen, OH, CN, NO 2 , O—C 1-6 -alkyl, COOH or COO—C 1-4 -alkyl; R 2 denotes H, C 1-6 -alkyl, C 1-4 -alkylene-C 6-10 -aryl or C 1-4 -alkylene-C 3-6 -cycloalkyl; R 3 denotes H or C 1-6 -alkyl; R 4 denotes H or C 1-6 -alkyl; Y m− denotes an anion with m negative charges selected from among chloride, bromide, iodide, sulphate, phosphate, methanesulphonate, nitrate, maleate, acetate, benzoate, citrate, salicylate, trifluoroacetate, fumarate, tartrate, oxalate, succinate, ethanedisulphonate, propanedisulphonate, benzoate and p-toluenesulphonate; and m denotes 1 or 2 optionally in the form of the tautomers or mixtures of the tautomers thereof.