Tetrahedron p. 3495 - 3502 (1992)
Update date:2022-07-29
Topics:
Kataoka, Yasutaka
Tezuka, Makoto
Takai, Kazuhiko
Utimoto, Kiitiro
A variety of 2,3,4-trisubstituted furans are prepared by treatment of tantalum-alkyne complexes with a aldehydes followed by addition of an isocyanide in DME-PhH-THF (1:1:1). The regioselectivity of the reaction depends on the bulkiness of substituents on
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