申请人:DIRECTOR-GENERAL OF THE AGENCY OF
INDUSTRIAL SCIENCE AND TECHNOLOGY
公开号:EP0486041A1
公开(公告)日:1992-05-20
There is disclosed a method for producing 2,6-bis(disubstituted amino)-4-1,3,5-thiadiazine-4-one compounds represented by formula (I). The method comprises reacting an N,N-disubstituted cyanamide represented by formula (II) with carbonyl sulfide represented by formula (III) under a high pressure.
wherein R₁ and R₂ each represent an alkyl group or R₁ and R₂ may bond together to form a ring,
wherein R₁ and R₂ each have the same meanings as in formula (I),
Formula (III)
S = C = O .
本发明公开了一种生产式(I)代表的 2,6-双(二取代氨基)-4-1,3,5-噻二嗪-4-酮化合物的方法。该方法包括在高压下使式(II)代表的 N,N-二取代氰酰胺与式(III)代表的羰基硫醚反应。
其中 R₁ 和 R₂ 各自代表一个烷基或 R₁ 和 R₂ 可键合在一起形成一个环、
其中 R₁ 和 R₂ 各自具有与式 (I) 相同的含义、
式 (III)
S = C = O .