The present invention relates in general to the field of organic chemistry and in particular to the preparation of (S)-N-[2-(1,6,7,8-tetrahydro-2H-indeno-[5,4-b]furan-8-yl)ethyl]propionamide, i.e. ramelteon, and analogues thereof.
本发明一般涉及有机
化学领域,特别涉及(S)-N-[2-(1,6,7,8-四
氢-2H-
茚并[5,4-b]
呋喃-8-基)乙基]丙
酰胺,即拉莫特罗内及其类似物的制备。