Notes J. Org. Chem., Vol. 42, No. 24, 1977 3961 hexane (Alfa Inorganics) in 2 mL of dry methylene chloride was added 0.11 mL (1.0 mmol) of tert-butyl mercaptan at 0" C under nitrogen. The mixture was stirred and allowed to warm to room temperature over a 15-20- min period. The ester or lactone (0.5 mmol) in 0.25 mL of dry methylene chloride was added and the mixture was stirred at room temperature under nitrogen until TLC indicated that ...
