Tetrahedron Letters p. 2855 - 2858 (1997)
Update date:2022-07-29
Topics:
Harada, Toshiro
Otani, Takeshi
Oku, Akira
The n-type endo-cyclization of metal acetylides to form cyclohexynes was observed for the first time in the reaction of alkynylzincates derived from 5-hexynyl tosylates. The endo-cyclization took place in competition with erocyclization, leading to the formation of 1-(cyclopentylidene)alkylzincs.
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