1.1
Reagents:
Magnesium chloride
Solvents:
Acetonitrile
;
10 min, 0 °C
1.2
Reagents:
Triethylamine
;
5 min, 0 °C
1.3
18 h, reflux
1.4
Reagents:
Hydrochloric acid
Solvents:
Water

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