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ChemicalBook CAS DataBase List 2-AMINO-5-FLUOROPHENYL BORONIC ACID PINACOL ESTER

2-AMINO-5-FLUOROPHENYL BORONIC ACID PINACOL ESTER synthesis

3synthesis methods
-

Yield: 60%

Reaction Conditions:

with (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride;potassium acetate in 1,4-dioxane for 10 h;Reflux;

Steps:

3.1.1-6
To a two-neck flask, add 2-bromo-4-fluoroaniline (11 g, 57.9 mmol) and dissolve in dioxane (300 mL). Potassium acetate (23 g, 231.6 mmol) and Pd (dppf) 2.9 mmol). After 5 minutes, add Bis (pinacolato) diboron (19.12 g, 75.3 mmol) and reflux for 10 hours. When the reaction is complete, extract with CH2Cl2. Purification by silica gel column (yield: 60%)

References:

Consideration University Sejong Industry-Academic Cooperation Foundation;Lee Seung-jun;Kang Sang-uk;Son Ho-jin KR2018/50795, 2018, A Location in patent:Paragraph 0134; 0135; 0156-0158