Ring Expansion of a 1,2-diphosphaspiropentane - Formation of a Diphosphamethylenecyclobutane and a 1,4-diphosphanorbornadiene
(1992) Angewandte Chemie: International Edition in English — Vol. 31, n° 5, p. 625-626 (1992)
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- Abstract
- Besides the expected spiropentane-methylenecyclobutane rearrangement that yields 2, another reaction channel plays a role in the thermolysis of 1: the diradical formed (in both cases) by P-P bond cleavage reacts by attack on the aryl residues, expelling tBu, to form 3.
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Garot, C., Etemadmoghadam, G., Declercq, J.-P., Dubourg, A., & Koenig, M. (1992). Ring Expansion of a 1,2-diphosphaspiropentane - Formation of a Diphosphamethylenecyclobutane and a 1,4-diphosphanorbornadiene. Angewandte Chemie: International Edition in English, 31(5), 625-626. https://doi.org/10.1002/anie.199206251 (Original work published 1992)