1.1
Reagents:
Boron trifluoride etherate
Solvents:
Dichloromethane
;
-60 °C; 2 h, -60 °C; -60 °C → rt
1.2
Reagents:
Sodium bicarbonate
Solvents:
Water
;
rt
1.3
Reagents:
Hydrochloric acid
Solvents:
Dichloromethane
,
Water
;
1 h, 0 °C
1.4
Reagents:
Sodium bicarbonate
Solvents:
Water
;
0 °C

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