(E)-6-((E)-4-(2-((3R,5R)-3,5-Bis((tert-butyldimethylsilyl)oxy)cyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)-2,3-dimethylhept-4-en-2-ol 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.