The present invention concerns a process for the preparation of a compound of formula (I) in the form of any one of its stereoisomers or mixtures thereof, wherein R represents a C2-C10 group of formula CORa wherein Ra is an alkyl or alkenyl group optionally comprising one or two ether functional groups or is a phenyl or benzyl group optionally substituted by one to three alkyl, alkoxyl, carboxyl, acyl, amino or nitro groups or halogen atoms.
本发明涉及一种制备式(I)化合物的方法,该化合物可以是其任何立体异构体或其混合物,其中R代表C2-C10的基团,其
化学式为CORa,其中Ra是一种烷基或烯基基团,可以包含一个或两个醚官能团,或者是苯基或苄基基团,可以被一个到三个烷基、烷氧基、羧基、酰基、
氨基或硝基基团或卤原子取代。