1.1
Reagents:
tert-Butyllithium
Solvents:
Pentane
,
Tetrahydrofuran
;
2 h, -78 °C
1.2
Reagents:
Triisopropyl borate
Solvents:
Tetrahydrofuran
;
-78 °C; -78 °C → rt; overnight, rt
1.3
Reagents:
Hydrochloric acid
Solvents:
Water
;
30 min, rt
1.4
Reagents:
Sodium hydroxide
Solvents:
Ethanol
,
Water
;
30 min, rt
1.5
Reagents:
Hydrochloric acid
Solvents:
Water
;
acidified, rt



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