Fig. 4: Study of synthetic applications.

A Pre-modification, General conditions: 1 (1.2 mmol), 2 (1.0 mmol), 3 (1.0 mmol), I₂ (1.0 mmol), DTBP (2.0 mmol), DMSO (5.0 mL, c = 0.2 M), 100 °C, 4 h, isolated yields. B Gram-scale experiments. C Late-modification. D Transformations of 6i.