Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a) Chemical structures of compounds 69a–c. b) Circular dichroism spectra of 69a–c in dichloromethane solution (1 × 10–5 m). c) The corresponding |g abs| of (P,P)‐configuration calculated according to the equation g abs = Δε/ε. d) Summary of the |g abs| values of the reported helicenes and compounds 69a–c. Reproduced with permission.[ 31 ] Copyright 2021, American Chemical Society.
