Propose an efficient synthesis for the following transformation:
The transformation above can be performed with some reagent or combination of the reagents
listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without
spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one
answer.
A
B
C
NaNH2
Br2
CH3CH21
D
E
F
HBr
H2, Lindlar's catalyst
Na, NH3 (1)
G
H
I
1) xs NaNH2
2) H2O
HBr, ROOR
H2, Pd