三苯基膦 、 (3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-methylphenyl)methanol 、
2,4-dihydroxy-5-methylbenzaldehyde 、
偶氮二甲酸二异丙酯 在
silica gel 、
4-((3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-methylbenzyl)oxy)-2-hydroxy-5-methylbenzaldehyde 作用下,
以
四氢呋喃 为溶剂,
反应 16.25h,
以to give a white solid as the final product 4-((3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-methylbenzyl)oxy)-2-hydroxy-5-methylbenzaldehyde (85 mg, 0.218 mmol, 33.1% yield)的产率得到4-((3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-methylbenzyl)oxy)-2-hydroxy-5-methylbenzaldehyde