| abstract |
A compound of the formula I: <EMI FILE = "00092691_1" ID = "1" MFI = JPEG> in which R1 is a group of the formula Y-1 <EMI FILE = "00092691_2" ID = "2" MFI = JPEG> in which R22 and R23, independently of each other, are hydrogen, low molecular weight alkyl, low molecular weight alkoxy, cycloalkyl, aryl, arylalkyl, nitro, cyano, (low molecular weight alkyl) -thio, ( low molecular weight alkyl) -sulfinyl, (low molecular weight alkyl) -sulfonyl, low molecular weight alkanoyl, halogen or perfluor- (low molecular weight alkyl), and at least one of R22 and R23 is different from hydrogen , and R24 is hydrogen, low molecular weight alkyl, low molecular weight alkoxy, aryl, nitro, cyano, (low molecular weight alkyl) -sulfonyl or halogen, or R1 is a group of the formula Y-2, which is a heteroaromatic ring of five to six links, attached through the carbon atom to the carbonyl of the amide, said ring contains one, two, or three heteroatoms chosen ent re N, O and S and one or two atoms of said ring are independently substituted for each other by low molecular weight alkyl, cycloalkyl, halogen, cyano, perfluoralkyl or aryl and at least one of said substituted atoms is adjacent to the atom of carbon attached to the carbonyl of the amide, or R1 is a group of the formula Y-3 which is a 3-7 link ring of the formula <EMI FILE = "00092691_3" ID = "3" IMF = JPEG> in the that R25 is low molecular weight alkyl, ... |