Synthetic methods of preparing perhydro-3,6-dimethyl-2-benzo[b]furanones, in particular dihydromintlactone, and analogs through reaction of dehydrogenation of menthanediols and analogs with a base in the presence of (carbonylchlorohydrido[bis-(2-diphenylphosphinoethyl)amine]ruthenium(II) as catalyst in good stereoselectivity and yields under stereochemistry controlled conditions are disclosed.
本发明揭示了一种通过对
蒎烷二醇及其类似物进行脱氢反应,与碱在(carbonylchlorohydrido[bis-(2-diphenylphosphinoethyl)amine]ruthenium(II)催化剂的存在下,以良好的立体选择性和产率控制条件下,合成过氢化
3,6-二甲基-2-苯并[b]
呋喃酮类化合物,特别是二氢
薄荷内酯及其类似物的合成方法。