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4-HYDRAZINO 8-TRIFLUOROMETHYL-QUINOLINE synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

with (R)-(-)-1-[(S)-2-(dicyclohexylphosphino)ferrocenyl]ethyl di-t-butylphosphine;bis(tri-ortho-tolylphosphine)palladium(0);potassium hydroxide;hydrazine in 1,4-dioxane at 100; for 8 h;

Steps:

1 Step 1

4-chloro-8-(trifluoromethyl)quinolone was reacted with 2 equivalents of hydrazine in 5% mol PD[P(o-tolyl)3]2, CyPF-tBu, potassium hydroxine, dioxane at 100 °C for 8 hours to produce 4-hydrazineyl-8-(trifluoromethyl)quinoline.

References:

WO2021/146341,2021,A1 Location in patent:Paragraph 0101; 0103

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