申请人:Clark Edward David
公开号:US20070135503A1
公开(公告)日:2007-06-14
A compound of formula (I):
or a salt, solvate and chemically protected form thereof, wherein one of R
2
and R
5
is:
(i) H or an optionally substituted C
1-4
alkyl group; or
(ii) an optionally substituted C
5-7
aryl; and the other of R
2
and R
5
is the other group; m and n can be 0 or 1, and m+n=1 or 2
R
N
is H or optionally substituted C
1-4
alkyl
R
3
is either: (i) carboxy;
(ii) a group of formula (II):
(iii) a group of formula (III):
wherein R is optionally substituted C
1-7
alkyl, C
5-20
aryl, or NR
N3
R
N4
, where R
N3
and R
N4
are independently selected from optionally substituted C
1-4
alkyl; or (iv) tetrazol-5-yl.
化合物的式子为(I):或者其盐,溶剂化物和化学保护形式,其中R2和R5中的一个是:(i) H或者是一个可选择的取代的C1-4烷基;或者是(ii) 一个可选择的取代的C5-7芳基;而R2和R5的另一个是另一个基团;m和n可以是0或者1,且m+n=1或2。RN是H或者是可选择的取代的C1-4烷基。R3可以是:(i) 羧酸;(ii) 式子(II)的基团;(iii) 式子(III)的基团:其中R是可选择的取代的C1-7烷基,C5-20芳基或者NRN3RN4,其中RN3和RN4是独立选择的可选择的取代的C1-4烷基;或者是(iv) 四唑-5-基团。