What Reagents Could Be Used to Selectively Protect the HO

question 100

Multiple Choice

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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