Kf-Al2O3 Induced Condensations of Indene with Aromatic Aldehydes: Synthetic Communications: Vol 27, No 22

Synthetic Communications

An International Journal for Rapid Communication of Synthetic Organic Chemistry

Volume 27, 1997 - Issue 22

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Abstract

Abstract: In the presence of KF-Al₂O₃ as a solid catalyst, indene reacted with aromatic aldehydes 2a-c (R=4-Me, 4-MeO, 4-Me₂N) to yield mainly benzofulvenes 3a-c (45%-66%), while when treated with two molar of aromatic aldehydes 2d-f (R=H, 4-Cl, 4-F) gave mainly the double condensation products 4d-f (67-81%)

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Kf-Al₂O₃ Induced Condensations of Indene with Aromatic Aldehydes

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Kf-Al2O3 Induced Condensations of Indene with Aromatic Aldehydes

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Kf-Al₂O₃ Induced Condensations of Indene with Aromatic Aldehydes