Reaction #2467939

ord-d89b84f4032c47d3acc9c588e3c7b024

Reaction equation

Clc1nnc(-c2ccccc2)s1
2-Chloro-5-phenyl-[1,3,4]thiadiazole
NN.O
hydrazine hydrate
NNc1nnc(-c2ccccc2)s1
2-phenyl-5-hydrazino-1,3,4-thiadiazole

Solvents

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    Temperatureat reflux overnight
  2. 2
    OtherThe solvent was evaporated
  3. 3
    workup.ADDITIONwater was added
  4. 4
    Otherthe product was isolated by filtration (110 mg, 57%)

Procedure

A solution of the 2-Chloro-5-phenyl-[1,3,4]thiadiazole (2 mmol) and hydrazine hydrate (6 mmol, 3 eq) in iPrOH (10 mL) was heated at reflux overnight. The solvent was evaporated, water was added, and the product was isolated by filtration (110 mg, 57%).

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08257931B2uspto-grants-2012_09