Process for producing 1-(2-chlorphenyl)-5(4H)-tetrazolinone

摘要

There are provided a novel compound 1-(2-chlorophenyl)-5-chlorotetrazole of the formula: <CHEM> a process for producing 1-(2-chlorophenyl)-5(4H)-tetrazolinone which comprises hydrolyzing said compound, as well as a process for producing 1-(2-chlorophenyl)-5(4H)-tetrazolinone which comprises reacting 2-chlorophenylisocyanide dichloride with sodium azide and then hydrolyzing the resulting compound as such without being subjected to isolation and purification.