1069138-09-5Relevant academic research and scientific papers
Synthesis and unusual [2+2]-cycloaddition reactions of ethyl 4-chloro-2-oxobut-3-ynoate with unactivated alkenes
Koldobskii, Andrey B.,Solodova, Ekaterina V.,Godovikov, Ivan A.,Kalinin, Valery N.
, p. 9555 - 9560 (2008/12/22)
The highly activated acetylenes, ethyl 4-chloro-2-oxobut-3-ynoate and ethyl 4-bromo-2-oxobut-3-ynoate, were prepared from readily available bis(trimethylstannyl)acetylene in two steps with high overall yield. An unusual ability of the former to furnish [2
