| abstract |
NEW MATERIAL: A compd. represented by formula I (wherein R is groups represented by formulae II, III, X is O, S or a 1-4C alkylene, R 1 to R 5 , R 9 and R 10 are each H, a 1-8C alkyl or COOR 16 , R 5 is a 1-8C alkyl, 1-8C alkoxycarbonyl, halogen, CN or NO 2 , R 2 and R 7 are each H or a respective group in R 5 , R 8 is H, a 1-8C alkyl, 1-8C alkylcarbonyl, 1-8C alkoxycarbonyl, 1-4C alkylsulfonyl or benzoyl, R 16 is H or a 1-18C alkyl and q is 0, 1 or 2). n EXAMPLE: 3-(4-Chloro-2-nitrobenzoyl)-bicyclo[3,2,1]octane-2,4-dione. n USE: A herbicide. Further, a part is a plant growth regulator or an acaricide. n PROCESS: A compd. represented by formula IV is reacted with a cyanide donor and a base of a medium degree and the obtained product is etherified or esterified if desired to obtain the compd. represented by the formula I. n COPYRIGHT: (C)1990,JPO |