Tosoh Corporation

Techno Polymer Company Limited

Junji Inanaga

Takumi Kagawa

Hiroshi Furuno

Masahiro Kamaura

Kazuhiro Daikai

Takeshi Hanamoto

A complex catalyst for asymmetric epoxidation of enones, containing an optically active binaphthol, lanthanum triisopropoxide, triphenylphosphine oxide substituted with electron withdrawing groups in the parapositions of the phenyl groups, and cumene hydroperoxide or tert-butyl hydroperoxide.

Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it

A complex catalyst for asymmetric epoxidation of enones containing an optically active binaphthol, lanthanum triisopropoxide, triphenylphosphine oxide substituted with electron withdrawing groups in the parapositions of the phenyl groups, and cumene hydroperoxide or tert-butyl hydroperoxide.

An optically active binaphthol derivative of the following formula (1) or (2), an optically active phosphate derivative of the following formula (3) or, (4), processes for their production, and an asymmetry identifying agent comprising the derivative of the formula (3) or (4):

Optically active phosphate derivative

A binaphthol monophosphoric acid derivative of the following formula (1), (2), (3) or (4):

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Fukuoka, Japan

Junji Inanaga