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42281-59-4Relevant articles and documents
Process for the preparation of 14-hydroxymorphinan derivatives
-
, (2008/06/13)
N-substituted-14-hydroxy-3-substituted-morphinan derivatives have been found to possess potent narcotic agonist or antagonist activity. In particular, the compound 3,14-dihydroxy-N-cyclobutylmethylmorphinan has been found to possess potent agonist/antagonist activity. A new and novel total synthesis for the preparation of these compounds is described herein.
Oxilorphan and butorphanol. Potent narcotic antagonists and nonaddicting analgesics in the 3,14 dihydroxymorphinan series. Part V
Monkovic,Wong,Pircio,et al.
, p. 3094 - 3102 (2007/10/10)
A series of 3,14 dihydroxymorphinans 8 was synthesized via a method of (a) acylation of 3 methoxy Δ84 morphinan 4a (b) stereospecific epoxidation of the resultant amides to β epoxides 5 (c) simultaneous reduction of amide and epoxide functions and (d) demethylation of the resultant 3 methoxy 14 hydroxymorphinans 7. Alternatively deblocking of the amine function in 5b by hydrolysis followed by reduction of the resultant amino epoxide 5e afforded 14 hydroxy 3 methoxymorphinan 7e, which is readily alkylated and demethylated to give various 8. On a basis of interesting pharmacological profiles compounds l 8c (oxilorphan) and l 8d (butorphanol) were selected for clinical studies.