1.1
Reagents:
Lithium tert-butoxide
Solvents:
Tetrahydrofuran
;
10 min, -20 °C; 20 min, -20 °C
1.2
Reagents:
N-Bromosuccinimide
Solvents:
Tetrahydrofuran
;
30 min, -20 °C; -20 °C → 0 °C; 4 h, 0 °C



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