tert-Butyl(2-(4-((tert-butyldimethylsilyl)oxy)-7a-methyloctahydro-1H-inden-1-yl)propoxy)dimethylsilane is an intermediate in the synthesis of 24R-Paricalcitol (P195365), which is a useful intermediate that is structurally related to Paricalcitol (P195300), a synthetic analog of Vitamin D that is classified an an antihyperparathyroid.