New vitamin D derivatives with cyclic substructures in the side chains, method and intermediates for their production and their use in the preparation of medicaments

Vitamin D derivatives (I), having a cyclic substituent in the side-chain, are new. Also new are perhydroindane derivative intermediates (A) ands (B). Vitamin D derivatives of formula (I), including all possible epimers, diastereomers and their mixtures, are new. Y1, Y2 = H or -C(O)R5; Y3 (in alpha-...

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Hauptverfasser: CLAUDIA GIESEN, KATICA SCHWARZ, MARTIN HABEREY, ANDREAS STEINMEYER, MARIANNE FAHNRICH
Format: Patent
Sprache:eng
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