A: NaBH4
B: CH3MgBr
C: NaCN then H+
D:
E: Mg
F: HOCH2CH2OH, H+
G:
H: H+, H2O
I: TBAF
J:
K: TBSCl, NEt3
L: CrO3, H+, H2O
Transformation A:
Step 1: F
Step 2: A
Step 3: H
Transformation B:
Step1: C
Step 2: choose your answer...
Step 3: choose your answer...
Step 4: choose your answer...