Phenylurethane compounds and methods for producing same, asymmetric urea compounds and methods for producing same, barbituric acid derivative, and diazo thermal recording material containing the derivative
申请人:FUJI PHOTO FILM CO., LTD.
公开号:US20020161225A1
公开(公告)日:2002-10-31
Phenylurethane compounds of the following general formula (1); asymmetric urea compounds of the following general formula (10) obtained from the phenylurethane compounds; barbituric acid derivatives of general formula (18) produced from the asymmetric urea compounds, which have specific substituents and are useful in diazo thermal recording materials; and diazo thermal recording materials containing the barbituric acid derivative.
1