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2) It has not been possible to prepare the adducts from simple aldehydes and HCI What would be the structure of such compounds, if they could be made, and what would be the mechanism of their formation? Why cannot these compounds in fact be made?

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Jhe mechanism is iven as Follouos Protonation of carbonyl gro then nucleophilic addition of ci on o ivethe re quine produch に づhe neachon is anin eqwilibrium 2 rrun baokiards. Hemi a cerals axs unstable due to they decompose baok to carbony compoun !-ion 1S uery stable & decomposmo is very fas er, than Ρογ hemiacetals. S u

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