Scheme 1.
A, B) General synthesis of A) distyryl and B) mono-styryl dyes via Knoevenagel condensation route. C) Synthesis of the dye 6a. D) Synthesis of the dye 19a.
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.