Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1989-05-01
1992-03-03
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
558155, 558156, 558194, 558128, 556449, 560231, 562498, 584188, 584310, 584454, 584456, 584458, 568 33, 568 37, 568 62, 568441, C07C 3521, C07C 6934
Patent
active
050935194
ABSTRACT:
Vitamin D derivatives corresponding to the following formula I ##STR1## in which R.sub.1 denotes a substituted alkyl group having 1 to 15 carbon atoms, in particular the side chains of vitamin D.sub.2 (C.sup.20 to C.sup.28) or D.sub.3 (C.sup.20 to C.sup.27), or these same chains partially modified,
REFERENCES:
patent: 4898855 (1990-02-01), Baggiolini et al.
Bouillon Roger
De Clercq Pierre J.
Eliard Pierre
Vandewalle Maurits
Ire-Medgenix S.A.
Raymond Richard L.
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