37526-90-2Relevant articles and documents
9,10-SECOPREGNANE DERIVATIVE AND MEDICINE
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Paragraph 0146; 0147, (2016/11/28)
D3 vitamin a activity while having excellent the present invention refers to, systemic calcium metabolism on little effect of light guide plates, a polymer D3 vitamin a derivatives useful in. As the present invention, represented by formula 1 a 9, 10-seco
9,10-SECOPREGNANE DERIVATIVE AND MEDICINE
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Page/Page column 14-15, (2008/06/13)
A novel useful vitamin D3 derivative which is reduced in influence on systemic calcium metabolism while retaining excellent vitamin D3 activity. The derivative is a 9,10-secopregnane derivative represented by the following general formula [1]. Also provided is a medicinal composition containing the derivative as an active ingredient. In the general formula [1], Y represents (1) a single bond, (2) alkylene, (3) alkenylene, or (4) phenylene; R1 and R2 are the same or different and each represents (1) hydrogen, (2) alkyl, or (3) cycloalkyl, or R1 and R2 in combination represent cycloalkyl in cooperation with the adjacent carbon atom; R3 represents hydrogen or methyl; and Z represents (1) hydrogen, (2) hydroxy, or (3) -NR11R12.