| http://www.w3.org/ns/prov#value | - Other operable reaction conditions include the reaction of nitrile with an alkali metal azide such as sodium azide, ammonium chloride, and (optionally) lithium chloride in a non-reactive high-boiling solvent such as N,N-dimethylformamide (DMF), preferably at temperatures from about 60??? C. to about 125??? C. Alternatively, tri-n-butyltin azide or tetramethylguanidinium azide, in a solvent such as
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