1
Nobuyuki Kuroda, Mitsuo Yamanaka, Hirofumi Takemoto, Kohei Ninomiya, Junichi Kugimoto: Process for producing epoxycyclododecadiene. Ube, Akin Gump Strauss Hauer & Feld L, January 9, 2001: US06172243 (3 worldwide citation)

Described is a process for producing 1,2-epoxy-5,9-cyclododecadiene, which comprises bringing 1,5,9-cyclododecatriene into contact with hydrogen peroxide in the presence of a carboxylic acid having an acid dissociation constant K at 25° C. of 5.0×10


2
Nobuyuki Kuroda, Mitsuo Yamanaka, Osamu Yamazaki, Hirofumi Takemoto, Kohei Ninomiya, Junichi Kugimoto, Koji Kaiso, Hideo Shimomura: Process for producing 1,2-epoxy-5,9-cyclododecadiene. Ube, Burgess Ryan & Wayne, March 28, 2000: US06043383 (2 worldwide citation)

1,2-epoxy-5,9-cyclododecadiene is produced with a high selectivity thereto by epoxidizing 1,5,9-cyclododecatriene in a continuous multi-stage oxidation apparatus having a plurality of reactors connected to each other in series in such a manner that (1) in a first reactor, 1,5,9-cyclododecatriene, hy ...


3
Kuroda Nobuyuki, Yamanaka Mitsuo, Takemoto Hirofumi, Ninomiya Kohei, Kugimoto Junichi: Process for producing epoxycyclododecadiene. Ube Industries, September 13, 2000: EP1035119-A1

Described is a process for producing 1,2-epoxy-5,9-cyclododecadiene, which comprises bringing 1,5,9-cyclododecatriene into contact with hydrogen peroxide in the presence of a carboxylic acid having an acid dissociation constant K at 25 DEG C of 5.0 x 10 . The present invention makes it possible to p ...