52072-24-9Relevant 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 (2015/02/02)
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
Phosphine-mediated [3+2] cycloaddition reactions of ethyl 5,5-diarylpenta-2,3,4-trienoates with arylmethylidenemalononitriles and N-tosylimines
Guan, Xiao-Yang,Shi, Min
supporting information; scheme or table, p. 1977 - 1981 (2009/07/01)
Ethyl 5,5-diarylpenta-2,3,4-trienoates were synthesized and utilized in the phosphine-mediated [3+2] cycloaddition reactions with arylmethyhdenemalononitriles and N-tosylimines in the presence of tributylphosphine. These reactions provide an easy access t