期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202301648
关键词
azide; click chemistry; cyaphide; phosphorus; triazaphospholes
Several examples of the cyaphide-azide 1,3-dipolar cycloaddition reaction to produce metallo-triazaphospholes were reported. Gold(I), magnesium(II) and germanium(II) triazaphospholes can be obtained easily and in good yields. Furthermore, these metallo-triazaphospholes can be used as precursors to carbon-functionalized species.
Several examples of the cyaphide-azide 1,3-dipolar cycloaddition reaction to afford metallo-triazaphospholes are reported. The gold(I) triazaphospholes Au(IDipp)(CPN3R) (IDipp=1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene; R=Bu-t, Ad, Dipp), magnesium(II) triazaphospholes, {Mg((Dipp)NacNac)(CPN3R)}(2) ((Dipp)NacNac=CH{C(CH3)N(Dipp)}(2), Dipp=2,6-diisopropylphenyl; R=Bu-t, Bn), and germanium(II) triazaphosphole Ge((Dipp)NacNac)-((CPN3Bu)-Bu-t) can be prepared straightforwardly, under mild conditions and in good yields, in a manner reminiscent of the classic alkyne-azide click reaction (albeit without a catalyst). This reactivity can be extended to compounds with two azide functional groups such as 1,3-diazidobenzene. It is shown that the resulting metallo-triazaphospholes can be used as precursors to carbon-functionalized species, including protio- and iodo-triazaphospholes.
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