Figure 3. 1HNMR spectrum of compound 2a

From

Copper-Catalyzed Hydroamination of Terminal Alkynes by Combining N-fluorobenzenesulfonimide and H2O: Synthesis of β-amino Substituted Styrenes

Tony Wheellyam Pouambeka, Hubert Makomo, Ghislain Kende, Timoléon Andzi Barhé

World Journal of Organic Chemistry. 2023, 10(1), 4-19 doi:10.12691/wjoc-10-1-2