申请人:ZAMBON S.p.A.
公开号:EP0214426A1
公开(公告)日:1987-03-18
compounds are described of formula
in which:
Ar represents an aryl, possibly substituted;
R represents a C1-C4 alkyl;
R' represents a hydroxyl, an alkoxy, an amino group possibly mono or di-alkyl substituted, or an O-M+ group where M+ represents the cation of an alkaline metal;
X represents a hydrogen, chlorine, bromine or iodine atom, a hydroxyl, or an acyloxy, alkylsulphonyloxy or arylsulphonyloxy group.
The compounds of formula I can be easily transformed into alpha-arylalkanoic acids of formula
in which Ar and R have the aforesaid meanings.
所述化合物的化学式为
其中
Ar 代表芳基,可能被取代;
R 代表 C1-C4 烷基;
R' 代表羟基、烷氧基、可能被单或双烷基取代的氨基或 O-M+ 基团,其中 M+ 代表碱金属阳离子;
X 代表氢原子、氯原子、溴原子或碘原子、羟基或酰氧基、烷基磺酰氧基或芳基磺酰氧基。
式 I 的化合物可以很容易地转化成式中α-芳基烷酸
其中 Ar 和 R 具有上述含义。