96088-53-8Relevant articles and documents
Diazadienes as Controlling Ligands in Homogeneous Catalysis, IX. Catalytic Cyclotetramerization of Propynoic Esters
Diercks, Rainer,Dieck, Heindirk tom
, p. 428 - 435 (2007/10/02)
Propynoic esters HCC-CO2R 2 react at low temperature in cyclohexane in the presence of precatalysts of the type diazadiene-nickel(0) complexes 3 and 4 or diazadiene-nickel-(η2-alkyne) complexes such as 5b to give exclusively or preponderantly c