118451-59-5Relevant articles and documents
Pentacenequinone-stabilized silver nanoparticles: A reusable catalyst for the diels-alder [4 + 2] cycloaddition reactions
Chopra, Radhika,Sharma, Kamaldeep,Kumar, Manoj,Bhalla, Vandana
, p. 1039 - 1046 (2016/02/18)
Silver nanoparticles (AgNPs) stabilized by aggregates of derivative 4 have been used as catalyst for the construction of synthetically and biologically important [4 + 2] cycloadducts at room temperature.
Ethynyl Ortho Esters as Precursors of Propargyl Cations. The Low-Temperature, Ionic Diels-Alder Addition of Ethyl Propiolate to 1,3-Dienes via Ethynyl Ortho Esters
Gassman, Paul G.,Chavan, Subhash P.
, p. 3407 - 3410 (2007/10/02)
3,3,3-Triethoxypropyne (triethyl orthopropiolate) was added to a series of 1,3-dienes at low temperature in the presence of trimethylsilyl triflate to yield the 4? + 2? products of the formal addition of ethyl propiolate to the 1,3-dienes.