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1. An organometallic compound of the following general formula (1):wherein
Ar is a cyclopentadienyl group, in which one or more hydrogen atoms may be substituted by a substituent W, the substituent W is a saturated or unsaturated C1-C20 hydrocarbon group, a 6- to 20-membered aryl group in which a carbon atom may be replaced by a heteroatom, a 3- to 20-membered heterocyclyl group, a C1-C20 alkoxy group, —C(═O)—Ra, —C(═O)—ORa, a hydroxyl group, —NRaRb, —C(═O)—NRaRb, a nitro group, a cyano group, —PRaRb, a C1-C20 sulfenyl group, a sulfo group, a mercapto group, —SiRaRbRc, a halogen group or —S(═O)2—Ra, Q is a hydride group or an anionic group, M is rhodium or iridium, R1 is an electron withdrawing group, R2, R3, R4 and R5 are, independently of one another, a hydrogen atom, a saturated or unsaturated C1-C20 alkyl group, a saturated or unsaturated C3-C20 cycloalkyl group, a 6- to 20-membered aryl group in which a carbon atom may be replaced by a heteroatom, a 3- to 20-membered heterocyclyl group, a C1-C20 alkoxy group, —C(═O)—ORa, a C1-C20 fluoroalkyl group, —C(═O)—Ra, —S(═O), —R, a hydroxyl group, —NRaRb, —(═O)—NRaRb, a C1-C20 sulfenyl group, or —SiRaRbRc, wherein one or more hydrogen atoms of these groups may be substituted by the substituent W, Ra, Rb and Rc are, independently of one another, a hydrogen atom, a saturated or unsaturated C1-C20 alkyl group, a saturated or unsaturated C3-C20 cycloalkyl group, a 6- to 20-membered aryl group in which a carbon atom may be replaced by a heteroatom, a 3- to 20-membered heterocyclyl group, a 6- to 20-membered aralkyl group in which a carbon atom of the aryl may be replaced by a heteroatom, a 6- to 20-membered alkylaryl group in which a carbon atom of the aryl may be replaced by a heteroatom, R2 and R3 and/or R4 and R5 may be bonded to each other to form a ring, one of R2 and R3, and one of R4 or R5 may be bonded to each other to form a ring, R1 and R2, or R1 and R3 may be bonded to each other to form a ring, the carbon atom to which R2 and R3 are bonded, and/or the carbon atom to which R4 and R5 are bonded is/are asymmetric carbon atoms, n is 0 or 1, and A is a monocyclic or polycyclic aromatic ring comprising one or more heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, provided the ring contains at least one nitrogen atom, wherein one or more hydrogen atoms may be substituted by a substituent W. |
