Heterocycles p. 1487 - 1490 (1994)
Update date:2022-08-05
Topics:
Tsukayama, Masao
Kikuchi, Makoto
Kawamura, Yasuhiko
The palladium-catalyzed coupling reaction of iodophenols (1) with 2-methyl-3-butyn-2-ol gave alkynylphenols (2).Catalytic hydrogenation of 2 over Raney nickel and the subsequent dehydration of the resultant alkylphenols (3) gave regioselectively the desired prenylphenols (4).Dehydration of alkylphenols (3f-h) gave chromans (7).
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