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doi:10.1016/S0040-4039(02)01811-7 
Copyright © 2002 Elsevier Science Ltd All rights reserved.
Efficient solvent-free in situ tin-mediated homoallylation reactions
Received 4 July 2002;
accepted 23 August 2002.
Available online 25 September 2002.
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Abstract
Various carbonyl compounds were converted to their corresponding homoallylic alcohols under ultrasonic irradiation and solvent free conditions, in the presence of metallic Sn and excess allyl bromide. Diallyltin(IV) dibromide was identified as the reactive species, with several allyl tin(II/IV) species being detected in the organic extracts of the reactions.
Under ultrasonic irradiation various aldehydes are converted into their corresponding homoallylic alcohols via a solventless process, the reactive species being diallyltin(IV) dibromide.
