Abstract
We disclose a mild and practical catalyst-free transformation for the expeditious construction of biuret-guanidine derivatives using aromatic isocyanates. This synthetic transformation is featured with mild reaction conditions and high efficiency.
Graphical Abstract
![](/cms/asset/2bc4a9cb-8711-44fb-b1f6-61d03ecee623/ganp_a_2027372_uf0001_c.jpg)
Disclosure statement
No potential conflict of interest was reported by the authors.