3.3.3. (22*E*)-24-Nor-cholesta-5,22-diene-3β,7α-diol (**3**)

White amorphous powder; [α] 22 <sup>D</sup> −47.5 (*<sup>c</sup>* 0.04, CHCl3); 1H and 13C NMR data (CDCl3), see Tables 1 and 2; (+) HRESI MS *m/z* 409.3081 [M+Na]<sup>+</sup> (calcd. for C26H42O2Na, 409.3077).

3.3.4. (22*E*)-24-Nor-cholesta-5,22-diene-3β,7β-diol (**4**)

White amorphous powder; [α] 22 <sup>D</sup> −9.0 (*<sup>c</sup>* 0.10, CHCl3); 1H and 13C NMR data (CDCl3), see Tables <sup>1</sup> and 2; (+) HRESI MS *m/z* 409.3081 [M + Na]<sup>+</sup> (calcd. for C26H42O2Na, 409.3077).
