Phosphonium salts and processes for production of and uses...

Details Phosphonium salts and processes for production of and uses... Phosphonium salts and processes for production of and uses...

2006-05-09

2006-05-09

Nwaonicha, Chukwuma (Department: 1621)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

C502S213000, C562S035000, C562S030000

Reexamination Certificate

active

07041619

ABSTRACT:
Phosphonium salts represented by the general formula (I)wherein R1and R2each represents a phenyl group which may be substituted by a lower alkyl group, R3represents a phenylene group which may be substituted by a lower alkyl group, R7and R8each represents a hydrogen atom or a hydrocarbon group having 1 to 12 carbon atoms which may be substituted and R9represents a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms which may be substituted; processes for producing the same and uses for the same; phosphines providing the same, and processes for producing said phosphines.

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CA:122:213604 abs of JP 06321828 Nov. 1994.

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