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ChemicalBook CAS DataBase List 6-TRIFLUOROMETHYL-1H-INDAZOLE-3-CARBOXYLIC ACID METHYL ESTER
877773-17-6

6-TRIFLUOROMETHYL-1H-INDAZOLE-3-CARBOXYLIC ACID METHYL ESTER synthesis

3synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 4 steps
1: potassium tert-butylate / tert-butyl alcohol / Reflux
2: dimethyl sulfoxide; sodium chloride / water / 120 °C
3: hydrogen / 5% Pd(II)/C(eggshell) / toluene / 20 °C / 760.05 Torr
4: tert.-butylnitrite; acetic acid / 2.17 h / 90 - 95 °C / Cooling with ice

References:

WO2011/5759,2011,A2

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