Tetrahedron p. 5223 - 5228 (2005)
Update date:2022-09-26
Topics:
Nakamura, Akitake
Toyota, Kozo
Yoshifuji, Masaaki
A new synthetic method for sterically protected 1,4-diphosphafulvenes (2-methylene-2,3-dihydro-1H-[1,3]diphospholes) has been developed starting from (arylethynyl)phosphines and ca. 0.25 molar amount of butyllithium. The catalytic mechanism of the reaction is discussed based on the results of deuterium-labelling experiments.
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Doi:10.1039/jr9360000218
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