0 CH:CH-CHO CH2-CH2 HCH3CH2CH OH OH 0 缩醛对碱、氧化剂稳定。在稀酸溶液中易水解成醛和醇。 R OR' R +H20 HOR' C=0+2ROH H ROR' OH +H20 >no reaction HOR' H" CH-CHCH(OC,HOCH2-CHCHO 2CHCHOH H 7 + OCH2CH3 H20 CH3CH2OH OHC CHO