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Report | Regular issue | Vol 20, No. 5, 1983, pp.791-796
Published online, 1st January, 1970
DOI: 10.3987/R-1983-05-0791
Selenium Substituted Spiro Phosphorus Heterocycles

Christo M. Angelov

*Department of Chemistry, Higher Pedagogical Institute, 9700 Shoumen, Bulgaria


The reaction of cyclohexylideneethenylphosphonic acid and its esters with arylselenenyl chlorides leads to the formation of 4-arylseleno-2-oxo-1-oxa-2-phospha-spiro(4,5)-3-decene derivatives. The dichloride of this acid with the same reagents cyclized only in the presence of sulfur dioxide.