Tetrahedron Letters p. 3407 - 3410 (1988)
Update date:2022-08-02
Topics:
Gassman, Paul G.
Chavan, Subhash P.
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.
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