| abstract |
Compounds of formula (I) (See formula), where U is O or an unpaired pair, V is a single bond, O, S, -CH2-, -CH = CH-, -CH = CH-CH2-O- or -CequivC-, W is CO, COO, CONR1, CSO, CSNR1, SO2, or SO2NR1, myn are independently of each other from 0 to 7 and m + n is 0 to 7, with the exception that m is not 0, if V is O or S, A1 is hydrogen, C1-7 alkyl, hydroxy-C1-7 alkyl, or alkenyl of up to 7 carbon atoms. |