1.1
Catalysts:
Palladium chloride
Solvents:
Methanol
,
Dichloromethane
;
rt
1.2
Catalysts:
p-Toluenesulfonic acid
Solvents:
Methanol
,
Dichloromethane
;
rt
1.3
Reagents:
Triethylamine
;
rt
2.1
Reagents:
Potassium hydroxide
Solvents:
Methanol
;
rt → reflux