Bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and a process for its preparation
申请人:Springer Helmut
公开号:US20070179314A1
公开(公告)日:2007-08-02
The compound, bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and to a process for its preparation, wherein bicyclo[4.3.0]nona-3,7-diene is reacted with synthesis gas in an homogeneous organic phase in the presence of transition metal compounds of Group VIII of the Periodic Table containing complex-bound organophosphorus compounds, and of 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 oxidized, or is first hydrogenated to 3(4),7(8)-dihydroxymethylbicyclo[4.3.0]nonane and the diol thus obtained is reacted in an alkali melt.
该化合物为双环[4.3.0]壬烷-3(4),7(8)-二羧酸,以及其制备方法,其中双环[4.3.0]壬烯与合成气在均相有机相中,在含有周期表第VIII族过渡金属化合物的复合有机膦化合物的存在下反应,并在70至160°C的温度和5至35兆帕的压力下进行,过量的有机膦化合物,然后氧化所得的3(4),7(8)-双甲酰基双环[4.3.0]壬烷,或首先将其氢化为3(4),7(8)-二羟甲基双环[4.3.0]壬烷,然后将所得的二醇在碱熔体中反应。