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Synlett 2001; 2001(6): 0854-0856
DOI: 10.1055/s-2001-14911
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Ultrasound-Promoted Deoxygenation of Sulphoxides by Samarium - NH4Cl

Jhillu. S. Yadav* , Basi V. Subba Reddy, C. Srinivas, P. Srihari
  • *Organic Chemistry Division -1, Indian Institute of Chemical Technology, Hyderabad - 500 007, India; Fax + 91 40 7 17 05 12; E-mail: yadav@iict.ap.nic.in
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Publication Date:
31 December 2001 (online)

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Several aromatic and aliphatic sulphoxides are selectively deoxygenated to the corresponding thioethers in high to quantitative yields by samarium metal in methanolic ammonium chloride under sonication. Other functional groups such as halides, esters, ethers, nitriles, olefins and ketones are unaffected under the present reaction conditions.

samarium - ultrasound - sulphoxides - sulphides