https://doi.org/10.1351/goldbook.A00062
Compounds having the structure R2C(OR')2 (R' ≠ H) and thus diethers of geminal
diols
. Originally, the term was confined to derivatives of aldehydes
(one R = H), but it now applies equally to derivatives of ketones
(neither R = H). Mixed acetals have different R' groups.See also:
acetonides
, ketals
, acylals
, hemiacetals