Can ketones form hemiacetals?

1 Answer
Ernest Z. · Truong-Son N.
Dec 20, 2015

No, ketones do not form hemiacetals.

Explanation:

At one time, the term "hemiacetal" included both hemiacetals and hemiketals.

But the IUPAC has re-instituted the term "hemiketal" as a subclass of hemiacetals

Technically, an aldehyde forms a hemiacetal, and a ketone forms a hemiketal. You can remember this by realizing that both terms contain "ket".

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