6Uchikawa O, Fukatsu K, Tokunoh R, et al. Synthesis of a novel series of tricyclic indan derivatives as melatonin receptor agonists [J]. J Med Chem, 2002, 45(19): 4222-4239.
7Yamano T, Yamashita M, Adachi M, et al. Approach to the stereoselective synthesis of melatonin receptor agonist ramelteon via asymmetric hydrogenation [J]. Tetrahedron: Asymmetry, 2006, 17 (2) : 184-190.
8Yamano T, Adachi M, Kawada M. Production of optically active compound: JP, 11080106 [P]. 1999-03-26. (CA 1999, 130: 252236)
9Imai T, Miura T, Unrin H, et al. Production of optically active amine derivative: JP, 11140073 [P]. 1999-05-25. (CA 1999, 131: 44725)
10Urayama S, Mutou E, Inagaki A, et al. Process for production of optically active amine derivatives: WO, 2006030739 [P]. 2006-03-23.
