申请人:ZAMBON GROUP S.P.A
公开号:US20040006248A1
公开(公告)日:2004-01-08
A process for the nitration of conjugated alkenes of formula (I) wherein R, R
1
, R
2
, R
3
and R
4
have the meanings reported in the description, which allows to obtain the corresponding &bgr;-nitro-alkenes, characterised in that the nitrating agent is a mixture of an inorganic nitrite and iodine in the presence of an oxidising agent is described.
1
本发明涉及一种用于硝化公式(I)中的共轭烯烃的过程,其中R,R1,R2,R3和R4具有描述中报告的含义,该过程允许获得相应的β-硝基烯烃,其特征在于硝化剂是无机亚硝酸盐和碘的混合物,在氧化剂的存在下进行。