Skip to main content
. 2022 Sep 14;90:106165. doi: 10.1016/j.ultsonch.2022.106165

Scheme 1.

Scheme 1

Synthesis of substrates i) NH3, acetone [26], ii) CS2, KOH, DMF [26], iii) CH3I, 2 equiv. [26], iv) CS2, EtOH [27], v) CH3I, 1 equiv. [27], vi) NH3, acetone [27], vii) Cl2[28], viii) NH3[29], ix) NH3 for R3 = NH-CN or N Created by potrace 1.16, written by Peter Selinger 2001-2019 C(NH2)OCH3, guanidine for R3 = Cl [30], x) BrCN [31].