The reaction of 1,3-bis-silyl enol ethers with 3-methoxalylchromones affords a great variety of functionalised 2,4â²-dihydroxybenzophenones. These products are formed by a domino Michael/retro-Michael/Mukaiyama-aldol reaction. The synthesized compounds are promising candidates for the synthesis of the novel UV-A/B and UV-B filters.
1,3-双
硅醇醚与3-甲氧基阿拉基酮反应可以获得多种功能化的2,4'-二羟基苯甲酮。这些产物是通过多米诺迈克尔/逆迈克尔/武凯山醛缩反应形成的。合成的化合物是新型UV-A/B和UV-B滤光剂合成的有希望的候选者。