A new straightforward approach to 3-(arylideneamino)hydantoins
作者:Alexander N. Yankov、Anatoly D. Shutalev
DOI:10.1007/s10593-020-02846-7
日期:2020.12
A novel straightforward approach to 3-(arylideneamino)hydantoins has been developed. It is based on the reaction of readily available 4-(tosylmethyl)semicarbazones with NaCN in DMF followed by heating of the obtained 4-(cyanomethyl)semicarbazones with concd HCl.