申请人:CONSEJO SUPERIOR DE
INVESTIGACIONES CIENTIFICAS
公开号:EP1243574A1
公开(公告)日:2002-09-25
Heterogeneous acid catalysts are used in a process for the selective obtainment of α-alkylcinnamaldehydes, and more specifically Jasmine aldehyde, by direct reaction between n-alkylaldehydes and benzaldehyde or a benzaldehyde substituted in its aromatic ring: aluminum phosphates (AlPO), silicoaluminophosphates (SAPO), and silicoaluminates (MAS) or basic catalysts corresponding to nitrides of such acid catalysts: oxynitrided aluminum phosphates (AlPON), oxynitrided silicoaluminophosphates (SAPON) and oxynitrided silicoaluminates (SAMON).
异相酸催化剂用于通过正烷基醛与苯甲醛或芳香环取代的苯甲醛直接反应,选择性地获得α-烷基肉桂醛,更具体地说是茉莉醛的工艺中:铝磷酸盐 (AlPO)、硅铝磷酸盐 (SAPO) 和硅铝酸盐 (MAS) 或与此类酸催化剂的氮化物相对应的碱性催化剂:氧氮化铝磷酸盐 (AlPON)、氧氮化硅铝磷酸盐 (SAPON) 和氧氮化硅铝酸盐 (SAMON)。