Nippon Chemical Industrial Co., Ltd.

Chiaki Ono

Tsuneo Imamoto

Kazuhiro Nakatsui

Hiroaki Konishi

Nobuhiko Oohara

Hikaru Abutani

The phosphine transition metal complex of the present invention is represented by formula (1). Preferably, Rand Rare identical groups, Rand Rare identical groups, Rand Rare identical groups, Rand Rare identical groups, Rand Rare identical groups, and n and y are identical numbers. The phosphine transition metal complex is suitably obtained by reacting a phosphine derivative represented by formula (2) and a phosphine derivative represented by formula (3) with a salt of a transition metal of gold, copper or silver. See the description for the meanings of the symbols in each formula.

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Tokyo, Japan

Chiaki Ono