申请人:——
公开号:US20040260114A1
公开(公告)日:2004-12-23
A process for a mono carbonylation of a benzenediol of the formula (I) is characterized in that a benzene diol of the formula (II) is reacted with an acid anhydride or carbonyl halide of the formula (III) without any organic or inorganic bases for thereby producing a monocarbonylated benzenediol of the formula (I):
1
wherein R is hydrogen, C
1
-C
15
alkyl group, cycle alkyl group, aryl group, alkoxy group, aryloxy group, dialkylamino group, alkylarylamino group or diarylamino group, and X is a general leaving group such as fluoride, chloride, bromide, iodide, acetoxy, etc.
一种单羰基化苯二酚的方法,其特点在于将化学式(II)的苯二酚与化学式(III)的酸酐或羰基卤化物反应,而不使用任何有机或无机碱,从而产生化学式(I)的单羰基化苯二酚:1其中R是氢、C1-C15烷基、环烷基、芳基、烷氧基、芳氧基、二烷基氨基、烷基芳基氨基或二芳基氨基,X是一般的离去基,如氟、氯、溴、碘、乙酰氧等。