10051. Woollins' Reagent
Nomenclature
CAS number: 122039-27-4
2,4-Diphenyl-1,3,2,4-diselenadiphosphetane 2,4-diselenide. C12H10P2Se4; mol wt 532.00.
C 27.09%, H 1.89%, P 11.64%, Se 59.37%.
[PhP(Se)(μ-Se)]2. Description and references
Selenium analog of Lawesson's reagent, q.v. Prepn: J. C. Fitzmaurice et al., J. Chem. Soc. Chem. Commun. 1988, 741; P. T. Wood, J. D. Woollins, ibid. 1190; M. J. Pilkington et al., Heteroat. Chem. 1, 351 (1990). Synthesis and characterization by 31P and 77Se NMR: G. Grossmann et al., Z. Anorg. Allg. Chem. 627, 1269 (2001). Improved synthesis: I. P. Gray et al., Chem. Eur. J. 11, 6221 (2005). X-ray crystal structure: P. Bhattacharyya et al., J. Chem. Soc. Dalton Trans. 2001, 300. Synthetic applications: I. Baxter et al., Chem. Commun. 1997, 2049; P. Bhattacharyya, J. D. Woollins, Tetrahedron Lett. 42, 5949 (2001); idem et al., Chem. Eur. J. 8, 2705 (2002); J. Bethke et al., Tetrahedron Lett. 44, 6911 (2003).
