1.1
Solvents:
Dimethyl carbonate
;
25 h, 110 °C
2.1
Reagents:
Diisopropylethylamine
Catalysts:
Palladium diacetate
,
Bis[2-(diphenylphosphino)phenyl] ether
;
overnight, 85 °C
2.2
Solvents:
Butanol
;
0.5 h, rt
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