(4-{2-[5-(2-ethyl-[1,3]dioxolan-2-yl)-2-thienyl]ethyl}-2-hydroxymethylphenyl)methanol 、
对甲苯磺酸 以
acetone - water 为溶剂,
以the desired product is obtained in the form of a white powder (m=5.41 g; Y=71%)的产率得到1-{5-[2-(3,4-bis-hydroxymethyl-phenyl)ethyl]-2-thienyl}-1-propanone