知識貝殼
知識貝殼
所屬欄目：英漢雙解化學
A type of organic com-pound of general formula RCOOCOR′,where R and R′are alkyl or aryl groups.They are prepared by reaction of an acylhalide with the sodium salt of a carboxylicacid,e. g. :RCOCl+R′COO-Na+ →RCOOCOR′+NaClLike the acyl halides,they are very ......（本文共 456 字 ） [閱讀本文] >>