发明授权
EP0717045B1 PROCESS FOR PRODUCING INDOLOCARBAZOLE DERIVATIVE 失效
用于生产吲哚咔唑衍生物

PROCESS FOR PRODUCING INDOLOCARBAZOLE DERIVATIVE
摘要:
A process for producing an indolocarbazole derivative represented by general formula (II) by the acidic treatment of a silylated indolocarbazole derivative represented by general formula (VI) wherein R?1, R2 and R3¿ represent each independently lower alkyl or aryl; and R4 represents lower alkyl.
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