申请人:Braun Max Josef
公开号:US20130317251A1
公开(公告)日:2013-11-28
Process for the manufacture of a compound of formula R
1
OOC—CH(OCH
2
F)—COOR, (I) or R
3
HNOC—CH(OCH
2
F)—CONHR
4
(II) wherein R
1
, R
2
, R
3
, R
4
are equal or different from each other and are independently selected from H; an alkyl group having from 1 to 10 carbon atoms which is optionally substituted by at least one halogen atom; an aralkyl group; or an aryl group, comprising reacting a compound of formula R
1
OOC—CH(OCH
2
X)—COOR
2
(III) or R
3
HNOC—CH(OCH
2
X)—CONHR
4
(IV) wherein X is a leaving group that can be substituted by nucleophilic substitution, and wherein R
1
, R
2
, R
3
, R
4
have the same meaning as above, with at least one source of nucleophilic fluorine.