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US08609841B2 Method for the preparation of erlotinib 有权
厄洛替尼的制备方法

Method for the preparation of erlotinib
摘要:
An alternative method for the preparation of Erlotinib through a new chemical reaction for the preparation of the 4-(3-aminophenyl)-2-methyl-3-butyn-2-ol key intermediate of formula (IV) according to the following scheme.
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