Kamat, Vijayendra P.; Hagiwara, Hisahiro; Katsumi, Tomoko; Hoshi, Takashi; Suzuki, Toshio; Ando, Masayoshi Tetrahedron, 2000, vol. 56, # 26 p. 4397 - 4403 doi: 10.1016/S0040-4020(00)00333-1