| abstract |
NEW MATERIAL:The compound of formula I (R is H, lower alkyl, halogen or trifluoromethyl; n is 1 or 2; m is 0 or 1). n EXAMPLE: The compound of formula II. n USE: An agricultural and horticultural fungicide exhibiting remarkable effect especially to rice blast by scattering on a paddy field. n PREPARATION: A compound of formula I wherein R is H and m is 1 can be produced e.g. by reacting the indoline (2,3-dihydroindole) or 1,2,3,4-tetrahydroquinoline derivative of formula III (e.g. 8-nitro-1,2,3,4-tetrahydroquinoline) with diketene. n COPYRIGHT: (C)1985,JPO&Japio |