| 摘要 |
PCT No. PCT/GB96/01355 Sec. 371 Date Dec. 12, 1997 Sec. 102(e) Date Dec. 12, 1997 PCT Filed Jun. 7, 1996 PCT Pub. No. WO97/00848 PCT Pub. Date Jan. 9, 1997A process for the preparation of an ester, especially fluorinated esters R1O.OC-CHR2-CO.OR3, R1 and R3 are each independently selected from alkyl, cycloalkyl and aryl. R2 is selected from hydrogen, alkyl, cycloalkyl. The method includes the steps of covering a corresponding compound of formula 2: R1O.OC-CHR2-CO.OR3 in the presence of a base, of salt of a compound of formula 2, into corresponding compound of formula 1 by the reaction of elemental fluorine. |
