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1H-Indole-3-carbonylchloride,1-methyl-(9CI) synthesis

10synthesis methods
-

Yield:126921-19-5 100%

Reaction Conditions:

with thionyl chloride in N,N-dimethyl-formamide at 20; for 3 h;

Steps:

13 Example 13: Preparation of N-methyl-2-((3-((E)-2-(2-pyridyl)vinyl)-1-(1-methyl-1H-indole-3-formyloxy)methyl-1H-indazol-6-yl)thio)benzamide (compound 13)

Add to the reaction flask 1-Methyl-1H-indole-3-carboxylic acid (378.3mg, 2.16mmol, 1.0eq.), Thionyl chloride (1.55 g, 12.96 mmol, 6.0 eq.) and DMF (0.05 mL). The reaction mixture was stirred at room temperature for 3 hours. Then directly concentrate the reaction mixture, 1-Methyl-1H-indole-3-carboxylic acid chloride (418.24 mg, 100%) was obtained.

References:

CN112442010,2021,A Location in patent:Paragraph 0135-0136