A compound represented by the following general formula (I):
1
wherein X represents R
1
(R
2
)R
3
)C- where R
1
represents a C
3
-C
8
cycloalkyl group, an optionally substituted C
6
-C
14
aryl group, an optionally substituted heterocyclic residue, an optionally substituted C
6
-C
14
aryloxy group, or an optionally substituted C
7
-C
15
arylmethyl group; R
2
and R
3
independently represent hydrogen atom or a C
1
-C
5
alkyl group, or R
2
and R
3
may combine to represent a C
2
-C
7
alkylene group; or
X represents R
7
-A- wherein R
7
represents (i) a C1-C10 alkyl group which may optionally be substituted with an optionally substituted C6-C14 aryl group, an optionally substituted fluorenyl group or an optionally substituted heterocyclic group, (ii) an optionally substituted C6-C14 aryl group or (iii) an optionally substituted heterocyclic group, and A represents an oxygen atom or -N-R
8
where R
8
represents hydrogen atom or a C1-C5 alkyl group.
Y represents an oxygen atom or a sulfur atom,
R
4
and R
5
independently represent hydrogen atom or a C
1
-C
5
alkyl group; and R
6
represents hydrogen atom, a C
1
-C
5
alkyl group which may optionally be substituted with a hydroxyl group, a hydroxyl group or a C
1
-C
5
alkoxy group,
provided that the compounds wherein R
7
is a benzyl group, A and Y are an oxygen atom, R
4
and R
5
are hydrogen atom, and R
6
is a propyl group are excluded, or a salt thereof, or a solvate thereof or a hydrate thereof.
以下是以以下通式(I)表示的化合物:
其中,X表示R1(R2)R3)C-,其中R1表示C3-C8环烷基,可选择性取代的C6-C14芳基,可选择性取代的杂环残基,可选择性取代的C6-C14芳氧基或可选择性取代的C7-C15芳基甲基基团;R2和R3独立地表示氢原子或C1-C5烷基,或R2和R3可以结合表示C2-C7烷基;或者X表示R7-A-,其中R7表示(i)C1-C10烷基,该烷基可以选择性地被取代为可选择性取代的C6-C14芳基,可选择性取代的
芴基或可选择性取代的杂环基,(ii)可选择性取代的C6-C14芳基或(iii)可选择性取代的杂环基,A表示氧原子或-N-R8,其中R8表示氢原子或C1-C5烷基。Y表示氧原子或
硫原子,R4和R5独立地表示氢原子或C1-C5烷基;R6表示氢原子,C1-C5烷基,该烷基可以选择性地被羟基取代,羟基或C1-C5烷氧基,前提是当R7为苄基时,A和Y均为氧原子,R4和R5均为氢原子,R6为丙基基团的化合物被排除,或其盐,溶剂化合物或
水合物。