反应详情

To a solution of [2-(1,4-dioxa-spiro[4.5]dec-7-en-8-yl)-phenyl]-methanol (1 g, 4.06 mmol, as prepared in the previous step) in DCM (2 mL) was added TFA (8 mL) and stirred at RT, 2 hours followed by removal of solvent in vacuo to afford the title compound.

1. customfollowed by removal of solvent in vacuo