申请人:Fukuda Shohei
公开号:US20050233909A1
公开(公告)日:2005-10-20
The present invention relates to benzoxazole compounds represented by the following formula (I):
wherein R
1
to R
4
may be the same or different from each other, and each represent a hydrogen atom, alkyl group having 1 to 6 carbon atoms, alkoxy group having 1 to 4 carbon atoms, haloalkyl group having 1 to 4 carbon atoms, haloalkoxy group having 1 to 4 carbon atoms, halogen atom, nitro group, cyano group, R
12
S(O)
n
, alkoxycarbonyl group having 1 to 4 carbon atoms, amino group, —NHCOR
11
or carbonyl group, where R
11
and R
12
each represent an alkyl group having 1 to 6 carbon atoms, and n is an integer of 0 to 2,
A represents a single bond, CHR
5
—Y, CR
5
—CR
6
, CR
5
R
7
—CHR
6
or CHR
5
, where R
5
represents a hydrogen atom, hydroxyl group, halogen atom or alkyl group, R
6
and R
7
each represent a hydrogen atom, hydroxyl group, alkyl group, halogen atom or substituted sulfonyloxy group, Y represents O, S or NH, and W represents a substituted or unsubstituted benzene ring or hetero ring, and processes for preparing the same.
本发明涉及由以下式(I)表示的苯并噁唑化合物:其中R1至R4可以相同也可以不同,分别表示氢原子,具有1至6个碳原子的烷基,具有1至4个碳原子的烷氧基,具有1至4个碳原子的卤代烷基,具有1至4个碳原子的卤代烷氧基,卤素原子,硝基,氰基,R12S(O)n,具有1至4个碳原子的烷氧羰基,氨基,-NHCOR11或羰基,其中R11和R12分别表示具有1至6个碳原子的烷基,n为0至2的整数,A表示单键,CHR5-Y,CR5-CR6,CR5R7-CHR6或CHR5,其中R5表示氢原子,羟基,卤素原子或烷基,R6和R7分别表示氢原子,羟基,烷基,卤素原子或取代磺酰氧基,Y表示O,S或NH,W表示取代或未取代的苯环或杂环,并提供制备它们的方法。