New vitamin D derivatives with Cyclopropylringen in the side chains, to processes and intermediates for their preparation and their use for the preparation of medicaments

Vitamin D derivatives of general formula I, wherein Y R Y R R R Together V and W a E double bond or V is a hydroxyl group and W is a hydrogen atom, Q is a straight or branched carbon unit with up to 10 carbon atoms, which at any positions α- or β-hydroxyl groups, which may be etherified or esterified in turn, keto groups, amino groups ...