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|Title:||ZnCl2 promoted formal (3+2) cycloaddition reactions of 2-alkoxy-1,4-benzoquinones with 2H-chromenes.|
|Publisher:||MARCEL DEKKER INC|
|Citation:||SYNTHETIC COMMUNICATIONS, 26(15), 2881-2893|
|Abstract:||A simple, mild, inexpensive and highly efficient method for the synthesis of 2,2-dimethyldihydropyranopterocarpans (4a-h and 5a-b) by formal (3+2) cycloaddition reactions of 2-alkoxy-1,4-benzoquinones (3a-b) with 2H-chromenes(1a-d and 2) using ZnCl2 at room temperature has been developed.|
|Appears in Collections:||Article|
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