What reagents could be used to selectively protect the HO groups at positions 1 and 6 of a hexose?
A) TBDPS-Cl,AgNO3 followed by acetic anhydride.
B) CH3OH/HCl followed by TBDPS-Cl.
C) CH3CO2H,HCl followed by (CH3) 3C(C6H5) 2-SiCl.
D) Acetic anhydride followed by acetone.
E) Benzaldehyde followed by CH3OH/HCl.
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