Furan derivatives. III. Some electrophilic substitution reactions and hydrogenation of 4,5-dihydro-3H-naphtho[1,8-bc]furans.
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概要
- 論文の詳細を見る
4,5-Dihydro-3<I>H</I>-naphtho[1,8-<I>bc</I>]furans (<B>1a–d</B>) reacted with a variety of electrophilic reagents to give the corresponding 2-substituted 4,5-dihydro-3<I>H</I>-naphtho[1,8-<I>bc</I>]furans. Hydrogenation of <B>1a–d</B> gave the corresponding 2<I>a</I>,3,4,5-tetrahydro-2<I>H</I>-naphtho[1,8-<I>bc</I>]furans. 2<I>H</I>-Naphtho[1,8-<I>bc</I>]furans (<B>7a–c</B>) which were prepared from <B>1a–c</B> were gradually converted to the 8-hydroxynaphthalene-1-carbaldehydes in air. The facile cleavage of the ether bond of <B>7a–c</B> is thought due to ring strain in the 2<I>H</I>-naphtho[1,8-<I>bc</I>]furan ring system.
- 公益社団法人 日本化学会の論文
著者
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Horaguchi Takaaki
Department Of Chemistry Faculty Of Science Niigata University
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Abe Teishiro
Department of General Education, Niigata University
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