Smith, C. J., Smith, C. D., Nikbin, N., Ley, S. V., & Baxendale, I. R. (2011). Flow synthesis of organic azides and the multistep synthesis of imines and amines using a new monolithic triphenylphosphine reagent. Organic and Biomolecular Chemistry, 9(6), 1927-1937. https://doi.org/10.1039/c0ob00813c