METHOD OF PRODUCING 2-(2-AMINO-PYRIMIDIN-4-YL)-1H-INDOLE-5-CARBOXYLIC ACID DERIVATIVE

摘要

PROBLEM TO BE SOLVED: To provide a novel intermediate for producing 2-(2-amino-pyrimidin-4-yl)-1H-indole-5-carboxylic acid of an indole derivative or its salt; and to provide a method of producing an intermediate for producing an IkB kinase inhibitor.

SOLUTION: The alkine of formula (X) is obtained as a novel intermediate, and then a compound of the formula (X) is cyclized to be transformed into a predetermined compound.

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