2,3-bisphosphinopyrazine derivative, method for producing same, transition metal complex, asymmetric catalyst, and method for producing organic boron compound

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United States of America Patent

PATENT NO 11084835
APP PUB NO 20210047351A1
SERIAL NO

16960374

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Abstract

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Provided is a 2,3-bisphosphinopyrazine derivative represented by the following general formula (1), wherein R1, R2, R3, and R4 represent an optionally substituted straight-chain or branched alkyl group having 1 to 10 carbon atoms, an optionally substituted cycloalkyl group, an optionally substituted adamantyl group, or an optionally substituted phenyl group, R5 represents an optionally substituted alkyl group having 1 to 10 carbon atoms or an optionally substituted phenyl group, each R5 may be the same group or a different group, R6 represents a monovalent substituent, n denotes an integer of 0 to 2.

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Patent Owner(s)

Patent OwnerAddress
NIPPON CHEMICAL INDUSTRIAL CO LTD9-11-1 KAMEIDO KOTO-KU TOKYO 1368515 ?1368515
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYKITA 8-JYO NISHI 5-CHOME KITA-KU SAPPORO-SHI HOKKAIDO 0600808 ?0600808

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imamoto, Tsuneo Tokyo, JP 16 22
Ito, Hajime Sapporo, JP 93 1301
Iwamoto, Hiroaki Sapporo, JP 48 793
Sano, Natsuhiro Tokyo, JP 7 5
Tamura, Ken Tokyo, JP 41 163

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