申请人:ZHANG Hesheng
公开号:US20100240651A1
公开(公告)日:2010-09-23
A compound of formula (I),
wherein R
1
represents H, or a C
1-4
alkyl group; R
2
represents H, a C
1-4
alkyl group, C(O)CHR
4
NR
5
R
6
, or C(O)W; or R
1
and R
2
taken together represent 1,3-propylene; R
3
represents H, a C
1-4
alkyl group, C(O)CHR
4
NR
5
R
6
, or C(O)W; or R
2
and R
3
taken together represent 1,3-propylene, 1,4-butylene, 1,5-pentylene, 1,6-hexylene, CH
2
OCH
2
, CH
2
SCH
2
or CH
2
NR
7
CH
2
, wherein R
7
represents H or a C
1-4
alkyl group; and when one of R
2
and R
3
represents H, or a C
1-4
alkyl group, the other one does not represent H; and R
8
represents H, or a C
1-4
alkyl group.
化合物的化学式为(I),其中R1代表H或C1-4烷基;R2代表H,C1-4烷基,C(O)CHR4NR5R6或C(O)W;或R1和R2一起代表1,3-丙二基;R3代表H,C1-4烷基,C(O)CHR4NR5R6或C(O)W;或R2和R3一起代表1,3-丙二基,1,4-丁二基,1,5-戊二基,1,6-己二基,CH2OCH2,CH2SCH2或CH2NR7CH2,其中R7代表H或C1-4烷基;当R2和R3中的一个代表H或C1-4烷基时,另一个不代表H;R8代表H或C1-4烷基。