Polymerizable compound and optically anisotropic object

A reverse dispersion compound represented by formula (I-z2-A-1),

• wherein Mz denotes a group selected from the following formulae (M-z-1) to (M-z-2)
• Rz2 denotes a hydrogen atom,
• Wz1 denotes the following formula (W-a-5),
• in the formula (W-a-5), s is an integer in the range of 0 to 4,
• LWz denotes a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a pentafluorosulfuranyl group, a nitro group, a cyano group, an isocyano group, an amino group, a hydroxy group, a mercapto group, a methylamino group, a dimethylamino group, a diethylamino group, a diisopropylamino group, a trimethylsilyl group, a dimethylsilyl group, a thioisocyano group, a linear alkyl group having 1 to 20 carbon atoms with one —CH2— or nonadjacent two or more —CH2—'s optionally independently substituted by —O—, —S—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, or —NH—CO—, or a branched alkyl group having 3 to 20 carbon atoms with one —CH2— or nonadjacent two or more —CH2—'s optionally independently substituted by —O—, —S—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, or —NH—CO—, and any hydrogen atom of the alkyl group may be substituted by a fluorine atom, and a plurality of LWz's, if present at all, may be the same or different,
• Wz21 denotes a group selected from a linear alkyl group having 1 to 20 carbon atoms with one —CH2— or nonadjacent two or more —CH2—'s optionally independently substituted by —O—, or a branched alkyl group having 3 to 20 carbon atoms with one —CH2— or nonadjacent two or more —CH2—'s optionally independently substituted by —O—,
• Pz2 and Pz3 independently denote a group selected from the formulae (P-1) to (P-20),
• Sz2 and Sz3 independently denote an alkylene group having 1 to 20 carbon atoms with one —CH2— or nonadjacent two or more —CH2—'s optionally independently substituted by —O—, —COO—, —OCO—, —OCO—O—, —CO—NH—, —NH—CO—, —CH═CH—, or —C≡C—, if present at all, may be the same or different,
• Xz2 and Xz3 independently denote —O—, —S—, —OCH2—, —CH2O—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, —SCH2—, —CH2S—, —CF2O—, —OCF2—, —CF2S—, —SCF2—, —CH═CH—COO—, —CH═CH—OCO—, —COO—CH═CH—, —OCO—CH═CH—, —COO—CH2CH2—, —OCO—CH2CH2—, —CH2CH2—COO—, —CH2CH2—OCO—, —COO—CH2—, —OCO—CH2—, —CH2—COO—, —CH2—OCO—, —CH═CH—, —N═N—, —CH═N—N═CH—, —CF═CF—, —C≡C—, or a single bond, a plurality of X's, if present at all, may be the same or different, provided that Pz2-(Sz2-Xz2)kz- and Pz3-(Sz3-Xz3)kz- have no —O—O— bond,
• Az311 and Az421 independently denote a 1,4-phenylene group, the group may be unsubstituted or substituted by one or more substituents Lz11's, Lz11 denotes a fluorine atom, a chlorine atom, a linear alkyl group having 1 to 20 carbon atoms with one —CH2— or nonadjacent two or more —CH2—'s optionally independently substituted by —O—, —CO—, —COO—, or —OCO—, any hydrogen atom of the alkyl group may be substituted by a fluorine atom, or a branched alkyl group having 3 to 20 carbon atoms with one —CH2— or nonadjacent two or more —CH2—'s optionally independently substituted by —O—, —CO—, —COO—, or —OCO—, any hydrogen atom of the alkyl group may be substituted by a fluorine atom,
• Az321 and Az411 denote a 1,4-cyclohexylene group,
• Zz311 and Zz421 independently denote —OCH2—, —CH2O—, —COO—, or —OCO—,
• Zz321 and Zz411 independently denote —OCH2— or —CH2O—,
• kz is an integer in the range of 0 to 8.