ketals造句

• :The protecting groups in this case are acetone ketals.
• Acetals and ketals are not reduced by LiBHEt 3.
• To increase yields of ketals or acetals, water formed during the reaction can be removed.
• ReOCl 3 ( PPh 3 ) 2 catalyzes the selective oxidation of secondary alcohols by DMSO, producing the corresponding ketals.
• In organic synthesis, Si ( OCH 3 ) 4 has been used to convert ketones and aldehydes to the corresponding ketals and acetals, respectively.