Karlsen, Steinar published the artcileNew syntheses of the bark beetle pheromones 2-methyl-6-methylene-7-octen-4-ol (ipsenol) and 2-methyl-6-methylene-2,7-octadien-4-ol (ipsdienol), Computed Properties of 27943-46-0, the publication is Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry (1976), B30(7), 664-8, database is CAplus.
H2C:CHC(:CH2)CH2CHO, obtained by thermal [3,3] sigmatropic rearrangement of CH2:C:CHCH2OCH:CH2, was treated with Me2CHCH2MgBr or Me2C:CHMgBr to give the Ips pheromone CH2:CHC(:CH2)CH2CH(OH)CHCHMe2 (ipsenol) or CH2:CHC(:CH2)CH2CH(OH):CMe2 (ipsdienol), resp.
Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry 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, Computed Properties of 27943-46-0.
Referemce:
https://en.wikipedia.org/wiki/Tetrahydropyran,
Tetrahydropyran – an overview | ScienceDirect Topics