Abstract
It was for the first time shown that 2,2,2-tribromo- and 2,2-dibromo-2-fluoro-5-halobenzo[d]-[1,3,2λ5]dioxaphospholes react with arylacetylenes with preferential formation of heterocycles monohalogenated in the benzo fragment, viz. 4-aryl-2-bromo(fluoro)-7-halobenzo[e][1,2]oxaphosphinines. Their structure was established by NMR spectroscopy. By varying in such a way the nature of the halogen at the phosphorus atom one can obtain 6- or 7-halo-substituted regioisomers of benzo[e][1,2]oxaphosphinines.
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Mironov, V.F., Shtyrlina, A.A., Varaksina, E.N., Gubaidullin, A.T., Azancheev, N.M., Dobrynin, A.B., Litvinov, I.A., Musin, R.Z., and Konovalov, A.I., Zh. Obshch. Khim., 2004, vol. 74, no.12, p. 1953.
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Mironov, V.F., Litvinov, I.A., Shtyrlina, A.A., Gubaidullin, A.T., Petrov, R.R., Konovalov, A.I., Azancheev, N.M., and Musin, R.Z., Zh. Obshch. Khim., 2000, vol. 70, no.7, p. 1117.
Mironov, V.F., Petrov, R.R., Shtyrlina, A.A., Gubaidullin, A.T., Litvinov, I.A., Musin, R.Z., and Konovalov, A.I., Zh. Obshch. Khim., 2001, vol. 1, no.1, p. 74.
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Translated from Zhurnal Obshchei Khimii, Vol. 75, No. 4, 2005, pp. 579–586.
Original Russian Text Copyright © 2005 by Mironov, Azancheev, Musin, Konovalov.
For communication VI, see [1].
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Mironov, V.F., Azancheev, N.M., Musin, R.Z. et al. Reaction of Trihalo(phenylenedioxy)phosphoranes with Arylacetylenes: VII. Regiochemistry of Reaction 2,2,2-Tribromo-5-halobenzo[d]-[1,3,2λ5]dioxaphospholes with Arylacetylenes. Russ J Gen Chem 75, 541–548 (2005). https://doi.org/10.1007/s11176-005-0269-z
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DOI: https://doi.org/10.1007/s11176-005-0269-z