It does not seem, however, that organic chemists were much worried about barriers to rotation in organic molecules in general at that time because there was no technique available to demonstrate the phenomenon experimentally.
“I think if you've been invited to someone's house, you eat what they serve you. Even if you leave hungry, you be gracious enough to eat what they've prepared.”
“Search not to find things too deeply hid; Nor try to know things whose knowledge is forbid.”