Table 2.

Molecular formula, mass, and yield of the reagents and crude products 27a, 36a, and 36b.

	27a (C20H14NO2) M.W. = 300.34	36a (C20H14NO2) M.W. = 300.34	36b (C20H14NS2) M.W. = 332.46
Substrate	0.2031 g (0.625 mmol)	0.1976 g (0.609 mmol)	0.2030 g (0.625 mmol)
Catalyst	0.0182 g (0.016 mmol)	0.0166 g (0.014 mmol)	0.0149 g (0.013 mmol)
Precursor	0.4800 ml (1.52 mmol)	0.4790 ml (1.52 mmol)	0.4840 ml (1.52 mmol)
Product after DCM extraction	0.0434 g (0.144 mmol)	0.0558 g (0.186 mmol)	0.0869 g (0.261 mmol)
Yield	23.1%	30.5%	41.8%