C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/235, 260/304
C07D 263/24 (2006.01) A61K 31/42 (2006.01) C07D 413/02 (2006.01) C07D 413/06 (2006.01)
Patent
CA 1286677
1-Oxa-2-oxo-3-R-3-aza-5-Z-cyclopentane derivatives A B S T R A C T The invention relates to new 1-oxa-2-oxo-3-R-3-aza-5-Z- cyclopentane derivatives, having the following formula: Image wherein R is alkyl or hydroxyalkyl having in each case 1-6 C atoms, cycloalkyl having 3-8 C atoms, unsubstituted aryl or aralkyl or aryl or aralkyl each of which has a total of 6-15 C atoms and, in the aryl radical, is monosubstituted to trisubstituted by alkyl, alkoxy, OH and/or Cl or monosubstituted by methylenedioxy, Z is -(CHOH)n-H and n is 2, 3, 4 or 5, and which can be used as intermediate products for the preparation of active compounds for medicaments, such as toloxatone.
513944
Bokel Heinz-Hermann
Fetherstonhaugh & Co.
LandOfFree
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