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β-Cyclodextrin-Promoted Addition of Benzeneselenol to Conjugated Alkenes in Water

✍ Scribed by Boga Srinivas; Vydyula Pavan Kumar; Regati Sridhar; Vutukuri Prakash Reddy; Yadavalli Venkata Durga Nageswar; Kakulapati Rama Rao

Publisher
John Wiley and Sons
Year
2009
Tongue
German
Weight
167 KB
Volume
92
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

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For the first time, a mild and efficient procedure was developed for the conjugate addition of α,β‐unsaturated compounds to benzeneselenol providing β‐(phenylseleno)‐substituted compounds (Scheme). The reaction was promoted by β‐cyclodextrin, proceeded in H~2~O at room temperature, and gave impressive yields (Table). The mechanism of the addition reaction, taking place within the cyclodextrin cavity, was supported by the analysis of the guests and host signals in the ^1^H‐NMR spectra (Fig. 1).

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