Synthesis and X-ray structures of new phosphorus-selenium heterocycles with an E-P(Se)-E ' (E, E ' = N, S, Se) linkage
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Refluxing a toluene solution of Woollins' reagent, WR, with difunctional aromatic substrates (aryldiamines and aryldithiols) leads to a series of novel five-to seven-membered heterocycles 2a-e, 4a, 4b and 6a-c with an E-P(Se)-E' (E, E' = N, S, Se) linkage in 7-98% isolated yields. This method offers a new approach to the library of phosphorus-selenium heterocyclic compounds. All new compounds have been characterized by IR, H-1, C-13, P-31, Se-77 NMR, mass spectrometry and elemental analysis or accurate mass measurement. Four representative X-ray structures are reported.
Hua , G , Fuller , A L , Li , Y , Slawin , A M Z & Woollins , J D 2010 , ' Synthesis and X-ray structures of new phosphorus-selenium heterocycles with an E-P(Se)-E ' (E, E ' = N, S, Se) linkage ' New Journal of Chemistry , vol 34 , no. 8 , pp. 1565-1571 . , 10.1039/b9nj00570f
New Journal of Chemistry
This is the author's version of an article in New Journal of Chemistry. The published version (c) Royal Society of Chemistry and the Centre National de la Recherche Scientifique is available from DOI: 10.1039/B9NJ00570F
This work is funded by the EPSRC UK
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