Takeda Chemical Industries, Ltd.
Patent: EP1424336 A1, 2004 ;
Location in patent: Page 41 ;

Furukawa, Naomichi; Ogawa, Satoshi; Kawai, Tsutomu; Oae, Shigeru
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 8 p. 1839 - 1845

Furukawa, Naomichi; Ogawa, Satoshi; Kawai, Tsutomu; Oae, Shigeru
Tetrahedron Letters, 1983 , vol. 24, # 31 p. 3243 - 3246

Furukawa, Naomichi; Tsuruoka, Masayuki; Fujihara, Hisashi
Heterocycles, 1986 , vol. 24, # 12 p. 3337 - 3340