Tetrahydrofuran → 3-(Dimethylamino)-6-hydroxymethyl-1,2,3,4-tetrahydrocarbazole

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반응 단계

A solution of 12.8 g. of 3-(dimethylamino)-6-ethoxycarbonyl-1,2,3,4-tetrahydrocarbazole (Example 43) in 350 ml. of dry tetrahydrofuran was added dropwise to a refluxing solution of 3.5 g. of lithium aluminum hydride in 100 ml. of dry tetrahydrofuran and refluxing was continued for one hour after completion of the addition. Ethyl acetate was added followed by water, the mixture was filtered, and the filtrate was evaporated to dryness to give, after recrystallization from ethyl alcohol, 6.4 g. of 3-(dimethylamino)-6-hydroxymethyl-1,2,3,4-tetrahydrocarbazole, m.p. 195°-197° C.

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