- Synthesis method of lenvatinib derivative key intermediate
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The invention provides a synthesis method of lenvatinib derivative key intermediate 7-methoxy-4-oxo-1, 4-dihydroquinoline-6-carbonitrile, and the synthesis method has the advantages of simple synthesis steps, short reaction time, mild reaction conditions, easiness in purification, high yield and low cost, and a good industrial production prospect.
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Paragraph 0012; 0026-0028
(2021/01/20)
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