申请人:Sumitomo Chemical Company, Limited
公开号:EP2008999A1
公开(公告)日:2008-12-31
N-tert-butoxycarbonyl-2-pyrrolidinones of the following formula (1):
[wherein, R1, R2, R3, R4, R5 and R6 represent each independently a hydrogen atom, halogen atom, cyano group, optionally substituted linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, optionally substituted linear, branched or cyclic alkenyl group having 2 to 10 carbon atoms, optionally substituted aryl group having 6 to 20 carbon atoms, optionally substituted amino group, -ORa group, or -SRb group, Ra and Rb represent each independently a hydrogen atom, alkylcarbonyl group having 2 to 10 carbon atoms, arylcarbonyl group having 7 to 20 carbon atoms, aralkyl group having 7 to 20 carbon atoms, alkoxyalkyl group having 2 to 10 carbon atoms, trialkylsilyl group having 3 to 10 carbon atoms, alkyl group having 1 to 10 carbon atoms, aryl group having 6 to 20 carbon atoms,
alternatively, R1 and R2 may be connected to form a >C=O group together with a carbon atom to which they are connected, R3 and R4 may be connected to form a >C=O group together with a carbon atom to which they are connected, R5 and R6 may be connected to form a >C=O group together with a carbon atom to which they are connected,
any two of R1, R2, R3, R4, R5 and R6 may be connected to form an optionally substituted polymethylene group having 1 to 4 carbon atoms, one or no-mutually-adjacent two methylene groups constituting the polymethylene group may be substituted by an oxygen atom, one or two ethylene groups constituting the polymethylene group may be substituted by a vinylene group, no-mutually-adjacent two methylene groups constituting the polymethylene group may be mutually connected via an oxygen atom, methylene group, ethylene group or vinylene group.].
下式(1)的 N-叔丁氧羰基-2-吡咯烷酮:
[其中,R1、R2、R3、R4、R5 和 R6 各自独立地代表氢原子、卤素原子、氰基、任选取代的具有 1 至 10 个碳原子的直链、支链或环状烷基、任选取代的具有 2 至 10 个碳原子的直链、支链或环状烯基、任选取代的具有 6 至 20 个碳原子的芳基、任选取代的氨基、-Ra和 Rb 各自独立地代表氢原子、具有 2 至 10 个碳原子的烷基羰基、具有 7 至 20 个碳原子的芳基羰基、具有 7 至 20 个碳原子的芳烷基、具有 2 至 10 个碳原子的烷氧基烷基、具有 3 至 10 个碳原子的三烷基硅基、具有 1 至 10 个碳原子的烷基、具有 6 至 20 个碳原子的芳基、
或者,R1 和 R2 连接在一起,形成一个 >C=O 基团,R3 和 R4 连接在一起,形成一个 >C=O 基团,R5 和 R6 连接在一起,形成一个 >C=O 基团,R7 和 R8 连接在一起,形成一个 >C=O 基团,R8 和 R9 连接在一起,形成一个 >C=O 基团,R1 和 R2 连接在一起,形成一个 >C=O 基团,R3 和 R4 连接在一起,形成一个 >C=O 基团,R5 和 R6 连接在一起,形成一个 >C=O 基团、
R1、R2、R3、R4、R5 和 R6 中的任意两个可连接成具有 1 至 4 个碳原子的任选取代的聚亚甲基,构成聚亚甲基的一个或不相邻的两个亚甲基可被一个氧原子取代、构成聚亚甲基的一个或两个亚乙基基团可被亚乙烯基团取代,构成聚亚甲基的不相邻的两个亚甲基基团可通过氧原子、亚甲基基团、亚乙基基团或亚乙烯基团相互连接。].