129034-75-9Relevant academic research and scientific papers
A synthesis of highly substituted aromatics through regiocontrolled construction of cyclobutenones bearing unsaturated substituents at the 4-position
Krysan, Damian J.,Gurski, Angela,Liebeskind, Lanny S.
, p. 1412 - 1418 (2007/10/02)
2,3-Substituted 4-chloro-2-cyclobutenones, prepared by regiospecific transformations of substituted cyclobutenediones, undergo palladium-catalyzed cross-coupling with vinyl- and arylstannanes and vinylzirconium reagents to form 4-Runsat-2-cyclo
3-Stannylcyclobutenediones as Nucleophilic Cyclobutenedione Equivalents. Synthesis of Substituted Cyclobutenediones and Cyclobutenedione Monoacetals and the Beneficial Effect of Catalytic Copper Iodide on the Stille Reaction
Liebeskind, Lanny S.,Fengl, Richard W.
, p. 5359 - 5364 (2007/10/02)
Treatment of 3,4-diisopropoxycyclobutenedione with n-Bu3SnSiMe3/catalytic CN- furnished 3-isopropoxy-4-(tri-n-butylstannyl)cyclobutenedione in 65 percent yield.This compound cross-coupled with organic iodides attached to sp2- and sp-
