| 摘要 |
1470899 Bridged-ring anthracene derivatives E I DU PONT DE NEMOURS & CO 20 Nov 1974 [21 Nov 1973 30 Sept 1974] 50318/74 Heading C2C The invention comprises compounds of the formula where R<SP>1</SP> and K<SP>2</SP> are H, C 1 -C 4 alkyl, C 1 -C 4 perfluoroalkyl, halogen, C 1 -C 4 alkoxy, C 1 -C 4 alkylthio, C 1 -C 4 perfluoroalkylthio, C 1 -C 4 acyl, C 1 -C 4 alkylsulphonyl, C 1 -C 4 perfluoroalkylsulphonyl, di(C 1 -C 4 alkyl)aminosulphonyl, sulphamyl, amino, C 1 -C 4 alkylamino, di(C 1 - C 4 alkyl) amino, X is a linear chain of 3 atoms which contains a central atom of nitrogen, the remaining atoms being carbon substituted with hydrogen, or up to one oxygen to form carbonyl and said central atom of nitrogen is doubly bonded to one of said carbon atoms or is substituted with H, C 1 -C 12 alkyl, alkenyl of up to 4 carbon atoms attached to N by a saturated carbon atom, cycloalkyl or cycloalkenyl of 3-9 carbon atoms, cycloalkyl (C 1 -C 4 ) alkyl, cycloalkenyl (C 1 -C 4 ) alkyl, adamantylmethyl,α-furylmethyl,α-thiophenylmethyl or phenyl- (C 1 -C 4 ) alkyl and acid addition salts thereof. The compounds may be prepared by heating compounds of the formula |
