75804-38-5Relevant academic research and scientific papers
Preparation and oxidation of α-phenylselanyl esters
Lebarillier, Loic,Outurquin, Francis,Paulmier, Claude
, p. 7483 - 7493 (2007/10/03)
Alkylation and selenenylation of selenium-stabilized ester enolates have allowed the preparation of α-phenylselanyl esters 5, 7, 8 and of α,α-bis(phenylselanyl)esters 6, respectively. The competitive selenophilic reaction, leading to an allylic phenylselenide 9, was avoided in the presence of HMPA. α-phenylselanyl α,β-unsaturated esters 15 were prepared by oxidation of compounds 6 and dehydrohalogenation of β-chloroesters 17. Some other transformations: oxidation, transesterification and Grignard reaction were also studied. H2O2 oxidation of Z-esters 15 has led to stable E-α-seleninyl esters 20. (C) 2000 Elsevier Science Ltd.
Synthesis and reactivity of α and β-chloro-α-phenylselanyl esters
Lebarillier, Loic,Outurquin, Francis,Paulmier, Claude
, p. 7495 - 7502 (2007/10/03)
Thermal decomposition of the dichloro-adducts derived from α-phenylselanylesters 1, 2 and 4 has been studied. N-Chloro-succinimide treatment of esters 2 was an efficient preparative method for α-chloro-α-phenylselanylesters 10 and α-chloro-α,β-unsaturated esters 11. Some transformations of esters 10 were achieved, α,β-Dichloro-α-phenylselanylesters 22 were prepared from β-chloro-α-phenylselanylesters 5 or by decomposition of the dichloroselenuranes 21 derived from esters 4. (C) 2000 Elsevier Science Ltd.
