Reaction of polyhaloalkyl-substituted chromones, pyrones, and furanones with salicylaldehydes as a direct route to fused 2 H-chromenes

VY Sosnovskikh, VY Korotaev…

文献索引：Pashkevich,K.I. et al. Zhurnal Organicheskoi Khimii, 1977 , vol. 13, # 1 p. 49 - 52,45 - 48

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被引用次数: 27

摘要

... Volume: Page: ... 8 and Cheng et al. ... or salicylaldimines on one hand, and 3,4-dihydro-2H-pyran or 2,3-dihydrofuran on the other hand, effecting C−C bond formation by using a catalytic amount of ytterbium triflate, 12 bismuth triflate, 13 lithium tetrafluoroborate, 14 ...