A process for the preparation of N-substituted pyrrolidones by catalytic hydrogenation of maleic anhydride, maleic acid and/or fumaric acid in the presence of ammonia uses at least stoichiometric amounts of a primary alcohol or of an aldehyde and uses a catalyst which comprises cobalt and at least one of the elements manganese, copper, phosphorus, molybdenum and/or sodium.
433. Ammines. Part X. Cobaltous and cupric compounds from tris-(β-hydroxyethyl)amine. New method of formation of ammino-cupric salts
作者:J. C. Duff、E. H. Steer
DOI:10.1039/jr9320002861
日期:——
Dexanabinol derivatives and their use as neuroprotective pharmaceutical
申请人:Ramot University Authority for Applied Research and Industrial
公开号:US06096740A1
公开(公告)日:2000-08-01
The present invention relates to pharmaceutical compositions for preventing or alleviating neurotoxicity. Said pharmaceutical compositions comprise as their active ingredient the stereospecific (+) enantiomers, having (3S,4S) configuration, of .DELTA..sup.6 -tetrahydrocannabinol (THC) type compounds of general formula (I), as defined hereinbelow. ##STR1##