[EN] PROCESS FOR THE PREPARATION OF BENZENE DERIVATIVES FROM FURAN DERIVATIVES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS DE BENZÈNE À PARTIR DE DÉRIVÉS DE FURANE
申请人:FURANIX TECHNOLOGIES BV
公开号:WO2014065657A1
公开(公告)日:2014-05-01
Benzene derivatives of the formula (I); wherein R1 and R2, are the same or different and independently are selected from the group consisting of hydrogen, alkyl, aralkyl, –CHO, -CH2OR3, -CH(OR4 )(OR5 ) and –COOR6, wherein R3, R4 and R5 are the same or different and are selected from hydrogen, alkyl, aryl, alkaryl, aralkyl, alkylcarbonyl or arylcarbonyl, or wherein R4 and R5 together form an alkylene group and wherein R6 is selected from hydrogen, alkyl and aryl, are prepared in a process, which comprises: reacting a furan derivative of formula (II): wherein R1 and R2 have the meanings above, with ethylene under cycloaddition reaction conditions in the presence of an acid solvent to produce the benzene derivative, wherein the acid solvent is a carboxylic acid and is present in a weight ratio acid solvent to furan derivative from 1:1 to 250:1.
苯衍
生物的
化学式(I); 其中R1和R2,相同或不同,并且独立地选自包括氢、烷基、芳基烷基、-CHO、-CH2OR3、-CH(OR4)(OR5)和-COOR6的基团,其中R3、R4和R5相同或不同,并选自氢、烷基、芳基、烷基芳基、芳基烷基、烷基羰基或芳基羰基,或其中R4和R5共同形成一个烷基烃基,其中R6选自氢、烷基和芳基,在一个过程中制备,该过程包括:在酸性溶剂存在下,通过环加成反应条件下将具有上述含义的R1和R2的
呋喃衍
生物(II)与
乙烯反应,以产生苯衍
生物,其中酸性溶剂是
羧酸,并且其在酸性溶剂与
呋喃衍
生物的重量比为1:1至250:1。