Cyclooctadiene derivatives

A cyclooctadiene derivative of the formula (1):

• ##STR72## wherein A.sup.1, A.sup.2, A.sup.3 and A.sup.4 each independently represent COOR.sup.5 (where R.sup.5 represents a hydrogen atom, a C.sub.1 -C.sub.10 alkyl group, a C.sub.2 -C.sub.10 alkenyl group, a C.sub.2 -C.sub.10 alkynyl group, a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group), or a C.sub.7 -C.sub.12 aralkyl group (the aralkyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group)), or CONR.sup.6 R.sup.7 (where R.sup.6 and R.sup.7 each independently represent a hydrogen atom, a C.sub.1 -C.sub.10 alkyl group or a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group)), or A.sup.1 and A.sup.2, and/or A.sup.3 and A.sup.4 may be combined together to represent group(s) of:
• ##STR73## in which X represents an oxygen atom or NR.sup.8 {where R.sup.8 represents a hydrogen atom, a C.sub.1 -C.sub.10 alkyl group, a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group), or a C.sub.7 -C.sub.12 aralkyl group (the aralkyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group)};
• R.sup.0, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, an optionally-substituted C.sub.1 -C.sub.10 alkyl group, an optionally-substituted C.sub.2 -C.sub.10 alkenyl group, or an optionally-substituted C.sub.2 -C.sub.10 alkynyl group;
• the substituent for the optionally-substituted groups can be any one or more selected from the group consisting of a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.2 -C.sub.6 alkenyl group, a C.sub.2 -C.sub.6 alkynyl group, a C.sub.1 -C.sub.6 haloalkyl group, OR.sup.9 {where R.sup.9 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 alkenyl group, a C.sub.2 -C.sub.6 alkynyl group, a C.sub.1 -C.sub.6 haloalkyl group, a silyl group, a C.sub.1 -C.sub.4 alkylsulfonyl group, a C.sub.7 -C.sub.12 aralkyl group (the aralkyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group), a phosphoryl group, a C.sub.2 -C.sub.10 alkoxyalkyl group, or COR.sup.14 where R.sup.14 represents a C.sub.1 -C.sub.6 alkyl group, a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group), a C.sub.1 -C.sub.6 alkoxy group, or NR.sup.15 R.sup.16 (where R.sup.15 and R.sup.16 each independently represent a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group)))}, SR.sup.10 (where R.sup.10 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.2 -C.sub.6 alkenyl group, a C.sub.2 -C.sub.6 alkynyl group, a C.sub.7 -C.sub.12 aralkyl group (the aralkyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group), NR.sup.11 R.sup.12 {where R.sup.11 and R.sup.12 each independently represent a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group) or COR.sup.17 (where R.sup.17 represents a C.sub.1 -C.sub.6 alkyl group, a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group) or C.sub.1 -C.sub.6 alkoxy group)}, .dbd.O, .dbd.NR.sup.13 {where R.sup.13 represents a C.sub.1 -C.sub.6 alkyl group, a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group) or OR.sup.18 (where R.sup.18 represents a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or COR.sup.19 (where R.sup.19 represents a C.sub.1 -C.sub.6 alkyl group, a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group) or NR.sup.20 R.sup.21 (where R.sup.20 and R.sup.21 each independently represent a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a phenyl group (the phenyl group may be optionally substituted by a halogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkoxy group, a cyano group and/or a nitro group))))}, and ##STR74## (where m is an integer of from 2 to 4);
• the symbol ------ represents a single or double bond, and when it is a double bond, then R.sup.1 and R.sup.3 each independently may represent an oxygen atom;
• provided that the case where all of R.sup.0, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent hydrogen atoms at the same time is excluded.