Clay catalyzed rearrangement of substituted allyl phenyl ethers: Synthesis of ortho-allyl phenols, chromans and coumarans

WG Dauben, JM Cogen, V Behar

Index: Dauben, William G.; Cogen, Jeffrey M.; Behar, Victor Tetrahedron Letters, 1990 , vol. 31, # 23 p. 3241 - 3244

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Citation Number: 69

Abstract

... Tetrahedron Lett., 27 (1986), p. 2627. ... G. Lagaly; Phil. Trans. R. Soc. Lond. A, 311 (1984), p. 315. ... 4: δ 6.57 (s, 1H), 6.48 (s, 1H), 5.28 (s, 1H), 5.12 (t, 1H), 3.30 (d, 2H), 2.24 (s, 3H), 2.21 (s, 3H), 1.79 (s, 3H), 1.70 (s, 3H). 5: δ 6.60 (s, 1H), 6.55 (s, 1H), 2.64 (t, 2H), 2.28 (s, 3H), 2.24 (s, 3H), 1.86 (t, 2H), 1.36 (s, 6H). 6: δ 6.76-6.64 (m, 3H), 5.30 (t, 1H), 4.85 (s, 1H), 3.76 (s, 3H), 3.33 (d, 2H), 1.77 (s, 6H). 8; c Renzi A. De, A. Panunzi, A. Saporito, A Vitagliano; 7: see J. Chem ...