Diphenylthiourea is an important intermediate of medicine and dyestuff.
二苯硫脲是重要的医药和染料的中间体。
2
But the GC/MS analysis showed that it is phenyl isocyanate. This may be due to neutral loss of aniline in the cleavage of diphenylthiourea in GC/MS analysis.
Oxidative methods to prepare not only 1,3-Diphenyl guanidine but also other guanidine derivants were introduced through studying chemical bonds of thiourea derivants in this paper.