Fig. 1: Substrates scope for α-vinyl compounds. | Communications Chemistry

Fig. 1: Substrates scope for α-vinyl compounds.

From: Phosphinothio(seleno)ation of alkynes/olefins and application on the late-stage functionalization of natural products

Fig. 1

a Standard condition A: Alkynes 1 (0.36 mmol), S8 powder (0.30 mmol) or Se powder (0.30 mmol), 2 (0.30 mmol), BF3·OEt2 (0.30 mmol), Et3N (0.30 mmol), toluene (2 mL), 90 °C, 4 h. b BF3·OEt2 (0.6 mmol). c 50 °C, 12 h. d 70 °C, 6 h. e BF3·OEt2 (0.75 mmol) was used, 70 °C, 6 h.

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