| abstract |
The invention relates to a new vitamin D compound, substituted in the 18-position with an alkyl group, a hydroxy group, an alkoxy group, an alkenyl group, an alkynyl group, a fluorinated alkyl group or a fluorinated alkenyl group. n The invention also relates to a method of preparing said vitamin D compound and to a lactone and a hydrindane intermediate. n The vitamin D compound is of the general formula |