Process of preparing 5-(2-substituted-4-nitrophenyl)-oxazole, oxazole compound, and process of preparing the same
申请人:The Nippon Synthetic Chemical Industry Co., Ltd.
公开号:EP1186598A1
公开(公告)日:2002-03-13
A 5-(2-substituted-4-nitrophenyl)-oxazole is prepared by decarboxylating a 5-(2-substituted-4-nitrophenyl)-4-oxazolecarboxylic acid in an aprotic amide solvent containing a protic compound. A 5-(2-substituted-4-nitrophenyl)-oxazolecarboxylic acid and a 5-(2-substituted-4-nitrophenyl)-carboalkoxyoxazole, which are novel compounds, are provided.
Process of preparing 5-(2-substituted-4-nitrophenyl)-oxazole, novel oxazole compound, and process of preparing the same
申请人:THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
公开号:US20020035265A1
公开(公告)日:2002-03-21
A 5-(2-substituted-4-nitrophenyl)-oxazole is prepared by decarboxylating a 5-(2-substituted-4-nitrophenyl)-4-oxazolecarboxylic acid in an aprotic amide solvent containing a protic compound. A 5-(2-substituted-4-nitrophenyl)-oxazolecarboxylic acid and a 5-(2-substituted-4-nitrophenyl)-carboalkoxyoxazole, which are novel compounds, are provided.