Grigg, Ronald published the artcilePalladium catalyzed triscyclization-anion capture queuing cascades, Synthetic Route of 27943-46-0, the publication is Tetrahedron Letters (1997), 38(10), 1825-1828, database is CAplus.
Palladium catalyzed regio- and, where appropriate, stereospecific triscyclization-anion capture processes are described involving vinyl- and allenyl-starter species, alkene/alkyne relay and terminating species and anion capture by allene/nucleophile (PhSO2Na or s-amine) or (2-thienyl)tributylstannane. Thus, enetriyne HCCCH2CH2CCCH2C(CO2Et)2CH2CH:CICH2CH2CCH reacted with allene and nucleophiles (piperidine, NaO2SPh) to give tricyclic compounds I (R = piperidino, O2SPh).
Tetrahedron Letters published new progress about 27943-46-0. 27943-46-0 belongs to tetrahydropyran, auxiliary class Tetrahydropyran,Alkynyl,Ether, name is 2-((2-Methylbut-3-yn-2-yl)oxy)tetrahydro-2H-pyran, and the molecular formula is C10H16O2, Synthetic Route of 27943-46-0.
Referemce:
https://en.wikipedia.org/wiki/Tetrahydropyran,
Tetrahydropyran – an overview | ScienceDirect Topics