5,6,7,8-tetrahydro-4h-isoxazolo 4,5-c azepine derivatives

Abstract From the Canadian patent

The present invention relates to novel compounds of the following formula: I, wherein Rl is alkyl, alkenyl, alkynyl branched or unbranched, with 1 - 6 carbonatoms either unsubstituted or optionally substituted with fluoro hydroxy or, phenyl, in which the phenyl group may be substituted with halogen trifluoro-, methyl, lower alkyl, hydroxy or lower alkoxy; R2 is hydrogen or lower alkyl (1-6 C-atoms); R3 and R4 are the same or different, and each represents hydrogen alkyl (1-6 C-atoms) or cycloalkyl (3-6 C-atoms) or phenyl optionally substituted with, halogen trifluoromethyl, lower alkyl (1-6 C-atoms) hydroxy, or lower alkoxy (1-, 6 C-atoms) or phenyl-lower alkyl (7-10 C-atoms) in which the …