Tetrahedron Letters p. 5063 - 5066 (1984)
Update date:2022-08-05
Topics:
Sato, Fumie
Kanbara, Hiroshi
Tanaka, Youichi
Hydromagnesiation of 3-trimethylsilyl-2-propyn-1-ol (1) followed by reaction with aldehydes or ketones affords (E)-3-trimethylsilyl-2-alken-1,4-diols (2), which can be readily dehydrated to 3-trimethylsilyl-2,5-dihydrofurans (3) by treatment with BF3OEt2.The compounds 3 are converted to furans (5) by epoxidation and subsequent treatment with H2SO4.
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