Morphine derivative

Details Morphine derivative Morphine derivative

C - Chemistry, Metallurgy

07

D

167/227, 260/237

C07D 489/00 (2006.01) A61K 31/485 (2006.01)

Patent

CA 2006311

NOVEL MORPHINE DERIVATIVE ABSTRACT OF THE DISCLOSURE: A novel morphine derivative represented by the following general formula: Image wherein R1 represents a hydrogen atom or a lower alkanoyl group; R2 represents a lower alkanoyl group; and R3 represents a cyclopropylmethyl or an allyl group), and a pharmaceutically acceptable acid addition salt thereof. The compound of the above general formula shows an analgesic activity 5 or more times as high as that of morphine and a narcotic antagonist action. Further, it shows an extremely low drug dependence. These properties make it highly useful as an active ingredient of drugs such as an analgesic or an anesthetic.

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