Reaction conditions: 1 (0.2 mmol, 1 equiv.), 1′ (0.8 mmol, 4 equiv.), CuBr2 (0.04 mmol, 0.2 equiv.), L1* (0.04 mmol, 0.2 equiv.), AgSbF6 (0.08 mmol, 0.4 equiv.), 4 Å MS (60 mg), and HFIP (2.0 ml). Yields were that of isolated products.