Abstract: A method of combating and controlling insects, acarines, nematodes or molluscs which comprises applying to a pest, to a locus of a pest, or to a plant susceptible to attack by a pest an insecticidally, acaricidally, nematicidally or molluscicidally effective amount of a compound of formula (I) wherein Y is a single bond, C?O, C?S or S(O)m where m is 0, 1 or 2; and R1, R3, R2 and R8 are defined organic, groups, p is 0, 1, 2, 3 or 4 or salts or N-oxides thereof; novel compounds and composition's containing them are also provided.

Abstract: The use of a compound of formula I wherein Y is a single bond, C?O, C?S or S(O)m, where m is 0, 1 or 2; the ring is a 6-membered aromatic or is a 5 or 6 membered heteroaromatic ring; Z and Z? are joined by a single or a double bond and are ?C— or —N— provided that both are not N; Ra, R1, R2, R3, R3a, R4 and R8 are specified organic groups; n is 2, 3 or 4 and p is 0-4; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided.

Abstract: The use of a compound of formula I, wherein Y is a single bond, C?O, C?S or S(O)m where m is 0, 1 or 2; R?, R2, R3, R4, R8 and Ra are specified organic groups and p is 0, 1, 2, 3, 4, 5 or 6; q is 0, 1, 2, 3, 4, 5 or 6; provided that when p is 2 then q is not 2; p+q is 1, 2, 3, 4, 5 or 6; or salts or N-oxides thereof or compositions containing them and their using in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided.

Abstract: An insecticidal compound of formula (I), wherein Y is a single bond, C?O, C?S or S(O)m where m is 0, 1 or 2; R1, R2, R3, R4, R8 A1, A2, A3, A4, B1, B2, B3 and B4 are specified organic groups or salts or N-oxides thereof; compositions containing them and their using in controlling insects, acarines, nematodes or molluscs.

Abstract: The use of a compound of formula (I), Y is a single bond, C?O, C?S or S(O)m where m is 0, 1 or 2; the ring (II) is a 6 membered aromatic ring or is a 5 or 6 membered heteroaromatic ring; Z and Z? are ?C— or —N— provided that both are not N; R1, R2 R3, R3a, R4, R8 and Ra are specified organic groups and n and p are independently 0, 1, 2, 3 or 4; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided.

Abstract: An insecticidal compound of formula I wherein X is O or NR11 where R11 is hydrogen, optionally substituted alkyl, optionally substituted aryl or optionally substituted heteroaryl; Y is a single bond, C?O, C?S or S(O)m where m is 0, 1 or 2; R1, R2, R3, R4, R8 and Ra are specified organic groups and p is 0, 1, 2, 3, 4, 5 or 6; q is 0, 1, 2, 3, 4, 5 or 6 provided that p+q is 1, 2, 3, 4, 5 or 6; or salts or N-oxides thereof; compositions containing them and their using in controlling insects, acarines, nematodes or molluscs.

Abstract: The use of a compound of formula (I) wherein Y is a single bond, C?O, C?S or S(O)m where m is 0, 1 or 2; the ring is a 6-membered aromatic or is a 5 or 6 membered heteroaromatic ring; Ra, R1, R2, R4 and R8 are specified organic groups; n and p are independently 0-4; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided.

Abstract: The use of a compound of formula (I): R3 N YR1(I) wherein Y is a single bond, C?O, C?S or S(O)71 where m is 0, 1 or 2; R1, R2, R3, R4, R8 and Ra are specified organic groups and p is 0, 1, 2, 3, 4, 5 or 6; q is 0, 1, 2, 3, 4, 5 or 6; p+q is 1, 2, 3,4, 5 or 6; or salts or N-oxides thereof or compositions to containing them in controlling insects, acarines, nematodes or molluscs; novel compounds are also provided.

Abstract: The use of a compound of Formula (I), Y is a single bond, C?O, C?S or S(O)m where m is 0, 1 or 2; the ring represented by T is a 5 or 6 membered heteroaromatic and R1, R2, R3, R8 and Ra are specified organic groups and p is 0, 1, 2, 3, 4, 5 or 6; p+q is 1, 2, 3, 4, 5 or 6; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs; novel compounds are also provided.

Abstract: This invention concerns new biocidal compounds of formula (I) wherein R is H or CH3. Of particular interest are two isomers that are named malayamycin A and desmethylmalayamycin A. These isomers, which may be prepared by growing under controlled conditions a previously unknown strain of micro-organism from the species Streptomyces malaysiensis, are characterised by nmr and mass spectroscopic data. They have biocidal activity, including anti-fungal, anti-viral and anti-cancer activity, and are of special interest for use in agriculture, horticulture, animal and human health.

Abstract: Insecticidal, acaricidal, nematicidal or molluscicidal compounds of formula (I) wherein Y is a single bond, C?O, C?S or C?(O)q where q is 0, 1 or 2; and R1, R2, R3, R4, R8, R9 and R10 are as defined in the claims or salts or N-oxides thereof, processes for preparing them and compositions containing them.

Abstract: This invention concerns new biocidal compounds of formula (I) wherein R is H or CH3. Of particular interest are two isomers that are named malayamycin A and desmethylmalayamycin A. These isomers, which may be prepared by growing under controlled conditions a previously unknown strain of micro-organism from the species Streptomyces malaysiensis, are characterised by nmr and mass spectroscopic data. They have biocidal activity, including anti-fungal, anti-viral and anti-cancer activity, and are of special interest for use in agriculture, horticulture, animal and human health.

Abstract: This invention concerns new biocidal compounds of formula (I) wherein R is H or CH3. Of particular interest are two isomers that are named malayamycin A and desmethylmalayamycin A. These isomers, which may be prepared by growing under controlled conditions a previously unknown strain of micro-organism from the species Streptomyces malaysiensis, are characterised by nmr and mass spectroscopic data. They have biocidal activity, including anti-fungal, anti-viral and anti-cancer activity, and are of special interest for use in agriculture, horticulture, animal and human health.

Abstract: Compounds of formula (I): ##STR1## and of formula (I).sub.w : ##STR2## in which: A represents group having one of the following formulae: ##STR3## wherein R.sup.2, R.sup.3 and R.sup.4 are independently selected from the group consisting of hydrogen atoms, halogen atoms, alkyl groups having from 1 to 4 carbon atoms, and alkoxy groups having from 1 to 4 carbon atoms;R.sup.1, R.sub.w.sup.1 and R.sub.w.sup.2 are, for example, hydrogen, halogen, cyano, nitro, optically substituted alkyl, alkoxy or alkoxyalkoxy;X or X.sub.w is hydroxy, alkanoyloxy, substituted alkanoyloxy or hydroxyimino; R.sup.3.sub.w and R.sup.4.sub.w are each hydrogen, alkyl or alkoxy; R.sup.5 and R.sup.5.sub.w are methyl, ethyl, isopropyl or sec-butyl; and salts thereof have valuable anthelmintic, acaricidal and insecticidal activities.

Abstract: Novel anthelmintics are described which, as active ingredient, contain a compound of the formula I ##STR1## or in its hydrogenated form the formula (Ia) ##STR2## in which R.sub.1 and R.sub.2 independently of one another are C.sub.1 -C.sub.6 alkyl, allyl, C.sub.3 -C.sub.6 cycloalkyl, benzyl or phenyl; R.sub.3 is an unsubstituted or substituted heteroaromatic 6-membered ring which contains 1, 2 or 3 nitrogen atoms or a benzo-fused, unsubstituted or substituted heteroaromatic 6-membered ring which contains 1 to 3 nitrogen atoms, and R.sub.4 and R.sub.5 independently of one another are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogeno-C.sub.1 -C.sub.3 alkyl, including their tautomeric forms and physiologically tolerable salts. The preparation, formulation and use of these active ingredients are also described.