| abstract |
A novel (fused) benz(thio)amides of the general formula: n<CHEM>n (wherein, symbol A represents a single bond or a group of methylene, ethylene, trimethylene, tetramethylene, vinylene, propenylene, butenylene, butadienylene or ethynylene group optionally being substituted by one, two or three of straight or branched alkyl group(s) of from 1 to 10 carbon atom(s) and/or phenyl group(s).n Symbol B representsn (i) a carbocyclic ring of from 4 to 8 members being unreplaced or replaced one, two or three of optional carbon atom(s) by oxygen, nitro and/or sulphur atom(s). (The ring may optionally be substituted by group(s) of oxo, thioxo and/or hydroxy group(s).)n orn (ii) a dibalent group of formula: n<CHEM>n Symbol T represents an oxygen atom or a sulphur atom. R<1> represents a group of general formula: n<CHEM> |