Pechmann reaction promoted by boron trifluoride dihydrate.
نویسندگان
چکیده
The Pechmann reaction of substituted phenols 1a-e with methyl acetoacetate (2) can be activated by boron trifluoride dihydrate (3) to give the corresponding 4-methyl- coumarin derivatives 4a-e in excellent yield (98-99 %).
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ورودعنوان ژورنال:
- Molecules
دوره 10 7 شماره
صفحات -
تاریخ انتشار 2005