Regio- and stereo-selective formation of bicyclo 2-siloxy-2-alkoxyoxetanes 7, 13, 14 was achieved by the proper choice of the solvent and the silyl group in the photoreaction of the cyclic ketene silyl acetals 6, 11, 12 with 2-naphthaldehyde 2, and their transformation to the aldol-type adducts 9, 15, 16 was easily accomplished under the neutral conditions.
区域选择性和立体选择性形成的双环2-甲
硅烷氧基-2- alkoxyoxetanes 7,13,14是由溶剂的适当选择和甲
硅烷基中的环状烯酮甲
硅烷基的光反应达到
缩醛6,11,12 2 -naphthaldehyde 2,以及它们转化为醇醛型加成物9,15,16很容易在中性条件下完成的。