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)。