Patent ID: 7951822

Claim:
A 1,3-dihydroisobenzofuran derivative represented by the following general formula (1) or salt thereof: (wherein R 1 and R 2 are either same or different and represent a C 1-8 alkyl group or halo C 1-8 alkyl group; R 3 , R 4 , and R 5 are either same or different and represent a hydrogen atom, halogen atom, C 1-8 alkyl group, halo C 1-8 alkyl group, C 2-8 alkenyl group, C 2-8 alkynyl group, C 1-8 alkoxy group, C 1-8 acyl group, nitro group, cyano group, carboxyl group, carbamoyl group, or C 6-10 aryl C 1-8 alkyl group, wherein the C 6-10 aryl may have 1 to 3 substituents selected from the following group A; R 6 and R 7 are either same or different and represent a hydrogen atom, C 1 - 8 alkyl group, C 3-8 cycloalkyl group, halo C 1-8 alkyl group, C 6-10 aryl group or 5- to 11-membered heterocyclic group, wherein the C 6-10 aryl group and 5- to 11-membered heterocyclic group may have 1 to 3 substituents selected from the following group A, and R 6 and R 7 may together form a C 3-8 alkyl ring; L represents a C 2-10 alkyl chain, C 2-10 alkenyl chain, or C 2-6 alkyl-O—C 2-6 alkyl chain; X represents a —O— or —N(R 8 )—; R 8 represents a hydrogen atom or C 1-8 alkyl group; Y represents an O, S, —CH(R 9 )—, —CH 2 CH(R 10 )—, —CH 2 O—, or —N(R 11 )—; R 9 and R 10 are either same or different and represent a hydrogen atom or C 1-8 alkyl group; R 11 represents a hydrogen atom, C 1-8 alkyl group that may be substituted with a C 1-8 alkoxycarbonyl group, halo C 1-8 alkyl group, C 6-10 aryl group, or 5- to 11-membered heterocyclic group, wherein the C 6-10 aryl group and 5- to 11-membered heterocyclic group may have 1 to 3 substituents selected from the following group A), [Group A: halogen atom, C 1-8 alkyl group, halo C 1-8 alkyl group, C 2-8 alkenyl group, C 2-8 alkynyl group, C 3-8 cycloalkyl group, C 1-8 alkoxy group, halo C 1-8 alkoxy group, C 1-8 acyl group, nitro group, amino group, mono C 1-6 alkylamino group, di C 1-6 alkylamino group, cyano group, hydroxy group, carboxyl group, C 1-8 alkoxycarbonyl group, carbamoyl group, C 6-10 aryl group, 5- to 11-membered heterocyclic group, C 1-6 alkylthio group, C 1-6 alkylsulfonyl group, C 6-10 arylthio group, C 6-10 arylsulfonyl group, tetrahydropyranyloxy group, and C 1-6 alkylenedioxy group].