6778
R. Ghosh et al. / Tetrahedron Letters 45 (2004) 6775–6778
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(b) Method B (under neat conditions)––To a mixture of
substrate (1equiv) and BiOCl (0.1mol%) was added
acetyl chloride (1.5equiv) with stirring at room temper-
ature. After completion of the reaction the mixture was
processed as described in Method A.
6. (a) Nakae, Y.;Kusaki, I.;Sato, T.
Synlett 2001,
1584–1586;(b) Bartoli, G.;Bosco, M.;Dalpozzo, R.;
Marcantoni, E.;Massaccesi, M.;Rinaldi, S.;Sambri, L.
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Acknowledgements
We gratefully acknowledge the financial assistance from
CSIR, New Delhi to R.G. (Scheme No. 01/1672/00/
EMR-II) and to S.M. (JRF) and from UGC, New Delhi
to A.C. (SRF).
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