Acrylic acid heterocyclic amides, fungicidal compositions and use

A compound of the formula ##STR192## wherein A is ##STR193## B is Y--(CR.sub.5 .dbd.CR.sub.6).sub.k --;

• Q is ##STR194## X is O or S;
• Y is ##STR195## k is 1;
• R.sub.1 is hydrogen, C.sub.1-4 alkyl or cyano;
• R.sub.2 and R.sub.11 are each hydrogen, halogen, nitro, C.sub.1-4 alkyl, alkoxy optionally mono- or polysubstituted by fluorine or chlorine, C.sub.3-4 alkynyloxy, amino, --NH(C.sub.1-4 alkyl), --N(C.sub.1-4 alkyl).sub.2, cyano, phenyl, C.sub.3-6 cycloalkyl, C.sub.3-4 alkenyloxy, hydroxy(C.sub.1-4 alkyl), --NH--COR.sub.6, --CO.sub.2 R.sub.6, CONR.sub.7 R.sub.8, C.sub.2-8 alkyl interrupted by oxygen, or ##STR196## R.sub.3, R.sub.4, R.sub.12 and R.sub.13 are each hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, (C.sub.1-4 alkyl)-S(O).sub.p (p=0, 1 or 2), hydroxy or (C.sub.1-4 alkanoyl)oxy;
• or
• R.sub.3 /R.sub.4 and R.sub.12 /R.sub.13 together are methylene dioxy or ethylenedioxy attached to two adjacent carbon atoms of the phenyl ring;
• R.sub.5 and R.sub.6 are each hydrogen or C.sub.1-4 alkyl;
• R.sub.7 and R.sub.8 together are a C.sub.3-5 alkylene chain which may be interrupted by --O--, --NR.sub.6 -- or --S(O).sub.q -- (where q=0, 1 or 2);
• and
• R.sub.9 and R.sub.10 are each hydrogen or C.sub.1-4 alkyl;
• or a non-toxic, pharmacologically acceptable acid addition salt thereof.