Fig. 1. X-ray crystal structures of 6 (a) top view and (b) packing structure. Solvent molecules, tert-butyl groups, and all hydrogen atoms are omitted for clarity. Thermal ellipsoids are drawn at the 50% probability level.
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.