Tetrahedron

A convenient ring formation of 3-aryl-2, 2-dialkyl-2, 3-dihydrobenzofurans from phenols and 2-aryl-2, 2-dialkylacetaldehydes

M Yamashita, Y Ono, H Tawada

Index: Tetrahedron, , vol. 60, # 12 p. 2843 - 2849

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Citation Number: 12

Abstract

... Tetrahedron. Volume 60, Issue 12, 15 March 2004, Pages 2843–2849. ... Meerwein rearrangement 9 shown in Scheme 5. Treatment of 7 with CF 3 SO 3 H in toluene at room temperature initially cleaves the ether bond and leads to the formation of 2 and cation 12, which then ...