1119249-36-3Relevant articles and documents
A phosphine-catalyzed regioselective [3+2] cycloaddition of ethyl 5,5-Diarylpenta-2,3,4-trienoate with aromatic aldehydes and α,β-unsaturated carbonyl compounds
Wang, Lu-Feng,Cao, Xiao-Ping,Shi, Zi-Fa,An, Peng,Chow, Hak-Fun
, p. 3383 - 3390 (2014)
Tributylphosphine-catalyzed regioselective [3+2] cycloadditions between ethyl 5,5-diarylpenta- 2,3,4-trienoate 1 and various aromatic aldehydes 2 to produce a wide variety of polysubstituted 2,5-dihydrofurans 3, and between 1 and β-unsubstituted α,β-unsat