申请人:American Cyanamid Company
公开号:US04623662A1
公开(公告)日:1986-11-18
This invention is concerned with ureas and thioureas which may be represented by the formula: ##STR1## wherein X represents at least one substituent selected from the group consisting of (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkenyl, (C.sub.1 -C.sub.4)alkynyl, phenoxy, mercapto, amino, (C.sub.1 -C.sub.4)alkylamino, di-(C.sub.1 -C.sub.4)alkylamino, halo, trihalomethyl, (C.sub.1 -C.sub.4)alkanoyl), benzoyl, (C.sub.1 -C.sub.4)alkanamido, haloacetamido, nitro, cyano, carboxy, (C.sub.1 -C.sub.4)carboalkoxy, carbamoyl, sulfamyl, methylenedioxy, phenyl, orthophenylene, tolyl, benzyl, halobenzyl, methylbenzyl; Y is selected from the group consisting of oxygen and sulfur; R.sub.1 and R.sub.2 are different and are independently selected from the group consisting of (C.sub.4 -C.sub.12)alkyl, (C.sub.4 -C.sub.12)alkenyl, (C.sub.4 -C.sub.12)alkynyl, (C.sub.4 -C.sub.12)cycloalkylalkyl, (C.sub.7 -C.sub.14)aralkyl, and (C.sub.7 -C.sub.14)aralkyl in which an aromatic ring bears at least one substituent selected from the group consisting of (C.sub.1 -C.sub.10)alkyl, (C.sub.1 -C.sub.10)alkoxy, phenoxy, benzyloxy, methylenedioxy, (C.sub.1 -C.sub.14)alkylthio, phenyl, halo, trihalomethyl, adamantyl, (C.sub.1 -C.sub.4)carboalkoxy, and nitro.
这项发明涉及脲和硫脲,可以用以下公式表示:##STR1##其中X代表至少一个取自(C.sub.1 -C.sub.4)烷基,(C.sub.1 -C.sub.4)烯基,(C.sub.1 -C.sub.4)炔基,苯氧基,巯基,氨基,(C.sub.1 -C.sub.4)烷基氨基,二(C.sub.1 -C.sub.4)烷基氨基,卤素,三卤甲基,(C.sub.1 -C.sub.4)烷酰基,苯甲酰基,(C.sub.1 -C.sub.4)烷酰胺基,卤代乙酰胺基,硝基,氰基,羧基,(C.sub.1 -C.sub.4)羧基氧基,氨基甲酰基,磺酰胺基,亚甲二氧基,苯基,邻苯二亚基,甲苯基,苄基,卤苄基,甲基苄基等基团中的至少一个取代基;Y选自氧和硫;R.sub.1和R.sub.2不同且独立选择自(C.sub.4 -C.sub.12)烷基,(C.sub.4 -C.sub.12)烯基,(C.sub.4 -C.sub.12)炔基,(C.sub.4 -C.sub.12)环烷烷基,(C.sub.7 -C.sub.14)芳基烷基和(C.sub.7 -C.sub.14)芳基烷基,其中芳环上至少一个取自(C.sub.1 -C.sub.10)烷基,(C.sub.1 -C.sub.10)烷氧基,苯氧基,苄氧基,亚甲二