10.1002/ejoc.201701783
European Journal of Organic Chemistry
FULL PAPER
afford compound 6gb (0.072 g, 74% yield) as green solid (mp = 160 oC
(decomp.)). FT-IR (KBr disk): ῡ = 2149 (C≡C) cm-1. UV-vis (MeCN):
λmax = 722, 412, 346, 276 nm. ESI HRMS: m/z+ calc. for C31H29N4Si•:
485.21596. Found: 485.21578. ESR (toluene, 9.5 GHz): nonet,
aN = 5.45 G (4N), g-value 2,0037. Anal. calcd. for C31H29N4Si•: C, 76.66;
H, 6.02; N, 11.54; Si, 5.78. Found: C, 76.71; H, 5.99; N, 11.50.
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This work was supported by the Russian Foundation for Basic
Research (project no. 17-33-50040 mol_nr). Authors would like
to acknowledge the Multi-Access Chemical Service Center SB
RAS for spectral and analytical measurements. PSP and TME
are kindly acknowledged Tomsk Polytechnic University (project
VIU-TOVPM-316/2017).
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Keywords: verdazyl radicals • cross-coupling reaction • stable
radicals building blocks • computational chemistry • density
functional calculations
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