CRYSTALS CONTAINING UNSATURATED CARBOXYLIC ACID AMIDE COMPOUND AND METHOD FOR PRODUCING SAME
申请人:DAICEL CORPORATION
公开号:US20150158820A1
公开(公告)日:2015-06-11
Provided is a crystal of an unsaturated carboxylic acid amide. The crystal is useful as or for fine chemicals such as pharmaceuticals, agricultural chemicals, polymeric materials, functional materials, and intermediates of them, has a high purity, still is not bulky, and can be handled excellently.
The crystal includes an unsaturated carboxylic acid amide represented by Formula (1) in an amount of 95 percent by area or more and has a bulk density of 0.2 to 0.7 g/mL. In the formula, R
1
to R
5
are independently selected from hydrogen, alkyl, hydroxyl, alkoxy, and nitro. At least two of R
1
to R
5
may be linked to form a ring together with carbon atoms constituting the specified aromatic ring. R
6
, R
7
, and R
8
are independently selected from hydrogen, alkyl, and aryl. R
7
and R
8
may be linked to form a ring together with carbon atoms constituting the specified imidazole ring.
提供的是一种不饱和羧酸酰胺的晶体。该晶体可用作或用于精细化学品,如制药、农药、聚合材料、功能材料以及它们的中间体,具有高纯度,仍然不臃肿,并且可以得到出色处理。该晶体包括95%或更多面积的由式(1)表示的不饱和羧酸酰胺,并且具有0.2至0.7克/毫升的堆积密度。在该式中,R1到R5独立选择自氢、烷基、羟基、烷氧基和硝基。R1到R5中至少两个可以连接在一起形成一个环,与构成指定芳香环的碳原子一起。R6、R7和R8独立选择自氢、烷基和芳基。R7和R8可以连接在一起形成一个环,与构成指定咪唑环的碳原子一起。