3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process...

Details 3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process... 3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process...

2007-01-25

2008-03-11

Davis, Brian (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S448000, C564S456000

Reexamination Certificate

active

07342135

ABSTRACT:
3(4),7(8)-bis(aminomethyl)bicyclo[4.3.0]nonane and a process for its preparation, wherein bicyclo[4.3.0]nona-3,7-diene is reacted with synthesis gas in a homogeneous organic phase in the presence of transition metal compounds of Group VIII of the Periodic Table containing complex-bound organophosphorus compounds, and excess organophosphorus compound, at temperatures of 70 to 160° C. and pressures of 5 to 35 MPa, and the 3(4),7(8)-bisformylbicyclo[4.3.0]nonane thus obtained is reductively aminated.

REFERENCES:
patent: 3228984 (1966-01-01), Humber
patent: 3317387 (1967-05-01), Prichard
patent: 3525770 (1970-08-01), Chow
patent: 4500469 (1985-02-01), Simon et al.

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