Tetrahedron p. 5141 - 5144 (1985)
Update date:2022-08-03
Topics:
Scettri, Arrigo
4-methoxy-cyclopent-2-en-1-ones 6 are easily obtained through a simple procedure involving in the key-step the conversion of 2-furylcarbinols 1 into 1,1,2-trimethoxy-alkan-4-ones 3, a masked form of 1,4-dicarbonil compounds, by treatment with Amberlyst H15 in methanolic solution.Then, the regeneration of the aldehydic function and a base-catalysed aldolic condensation lead in high yields to the finalproducts 6.
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