反应详情

To a stirred solution of 4′-tert-butylacetophenone (purcashed from Aldrich, 1.76 g, 10 mmol) in MeOH (1 mL) was added trimethyl orthoformate (1.97 g, 11 mmol) and tetrabutylammonium tribromide (48.2 mg, 0.1 mmol) successively. The same reaction procedure as described in Example 63A was performed to give the title compound (2.33 g) as a yellow oil.

1. customThe same reaction procedure