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The structures of cycloalkanone-based threo and erythro aldol s were investigated by systematic introduction of stereo-determining factors.
Several epoxy ketones were converted to aldol s in good yields upon irradiation.
The simplest aldol - CH 3 CHOHCH 2 CHO - is produced from ethanal.
The most useful mixed Aldol s are those where only one reactent can form an enolate.
Aldol s are bifunctional molecules possessing OH and C=O groups, which are able to act as both hydrogen donors and/or acceptors.
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