Heterocycles p. 1 - 4 (1998)
Update date:2022-08-02
Topics: DDQ Deprotection Trifluoroacetic acid
Miki, Yasuyoshi
Hachiken, Hiroko
Kashima, Yoshimi
Sugimura, Wakiko
Yanase, Norihide
Deprotection of 9-p-methoxybenzylcarbazole with DDQ gave a carbazole. However, methyl 1-p-methoxybenzylindole-2-carboxylate and dimethyl 1-p-methoxybenzyl-2,3-indoledicarboxylate were treated with TFA to yield the corresponding methyl indole-2-carboxylate and dimethyl indole-2,3-dicarboxylate.
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Doi:10.1007/BF02495525
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