Coupling catalyst and process using the same

Details Coupling catalyst and process using the same Coupling catalyst and process using the same

2006-05-09

2006-05-09

Keys, Rosalynd (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C585S438000, C585S469000, C546S002000, C546S348000, C546S349000, C558S378000, C548S354100, C534S598000

Reexamination Certificate

active

07041856

ABSTRACT:
There are disclosed a process for producing a coupling compound of formula (1):in-line-formulae description="In-line Formulae" end="lead"?(Y—)(n−1)R1—R2—(R1)(n′−1),  (1)in-line-formulae description="In-line Formulae" end="tail"?wherein R1and R2independently representa substituted or unsubstituted aryl group,which process is characterized by reactingan unsaturated organic compound of formula (2):in-line-formulae description="In-line Formulae" end="lead"?n′(R1X1n)  (2)in-line-formulae description="In-line Formulae" end="tail"?wherein n, n′, and R1are the same as defined above, andX1is the same or different and independently represents a leaving group and bonded with a sp2 carbon atom of R1group,with a boron compound of formula (3):in-line-formulae description="In-line Formulae" end="lead"?m{R2(BX22)n′}  (3)in-line-formulae description="In-line Formulae" end="tail"?wherein R2and n′ are the same as defined above,X2represents a hydroxy group, an alkoxy group, in the presence of a catalyst containing(A) a nickel compound, and(B) a nitrogen-containing cyclic compound, and the catalyst.

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