Method for the production of (-) 2-difluoromethyl-ornithine
申请人:MERRELL DOW PHARMACEUTICALS INC.
公开号:EP0357029A2
公开(公告)日:1990-03-07
The present invention is directed to a process for producing (-) 2-substituted-ornithines comprising contacting a 2-substituted-piperidone with L-alpha-E-amino-caprolactam-hydrolase in the presence of a divalent cation.
The present invention concerns a method for preventing and/or treating cancer in a patient comprising administering an effective amount of substantially purified D enantiomer of difluoromethylornithine (D-DFMO) or an analog of D-DFMO to the patient. D-DFMO or an analog thereof is administered at a dose of about 0.05 to about 20.0 gm/M
2
/day. D-DFMO or an analog thereof may be administered more than once for the treatment and/or prevention of cancer. Methods of administration as well as compositions and formulations of substantially purified D-DFMO and analogs of D-DFMO are described.