🤓 Based on our data, we think this question is relevant for Professor Moten's class at UTA.
A biosynthetic pathway was recently proposed for the polycyclic, cytotoxic compound aspernomine, isolated from the fungus Aspergillus nomius (J. Am. Chem. Soc. 2012, 134, 8078–8081):
(b) What is the approximate dihedral angle between the two methyl groups directly bound to the chairs?