Coupling reactions of ortho-substituted halobenzenes with alkynes. The synthesis of phenylacetylenes and symmetrical or unsymmetrical 1, 2-diphenylacetylenes

IG Stará, I Starý, A Kollárovič, F Teplý…

Index: Collection of Czechoslovak Chemical Communications, , vol. 64, # 4 p. 649 - 672

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Citation Number: 6

Abstract

... 19F NMR spectra were measured at 470.32 MHz in CDCl3 or in acetone-d6 with CFCl3 as an internal standard. Chemical shifts are given in δ-scale, coupling constants J in Hz. For numbering of the skele- ton see Fig. ... All chemicals were reagent grade materials. ... Collect. Czech. ...