MOSTAFA HABIBI KHORASSANI, S.; T. MAGHSOODLOU, M.; EBRAHIMI, A.; MORADIAN, M.; ZAKARIANEZHAD, M. Spectrophotometric Kinetic Studies of the Reaction Between Triphenylphosphine, Dialkyl Acetylenedicarboxylates and NH-Acids. ajc 2010, 19, 1075-1084.