Tetrazole terminal
SMARTS: [CH0;$(C-[#6]):1]#[NH0:2]>>[C:1]1=[N:2]-N-N=N-1
Conditions
Reactant 1: nitrile.
Reactant 2: NaN3.
R: alkyl.
References
J.-J. Shie, J.-M. Fang, J. Org. Chem., 2007, 72, 3141-3144.
Other sources
Organic chemistry