From: sdelgado-zoster$##$ferrergrupo.com
Date: Wed Mar 02 2005 - 10:14:56 EST
Hi Hasan,
if you are looking for Pechmann Condensation, it is about the synthesis of
coumarins by condensation of phenols with B-keto esters in the presence of
Lewis acid catalysts. You can find more information about the reaction in
the following reviews:
S. Sethna, Chem. Rev. 36, 10 (1945); S. Sethna, R. Phadke, Org. React. 7, 1 (1953). T.
Kappe, E. Ziegler, Org. Prep. Proced. 1, 61 (1969); T. Kappe, C. Mayer, Synthesis 1981,
524; A. G. Osborne, Tetrahedron 37, 2021 (1981); D. H. Hau et al., Synlett. 1990, 233;
T-S. Li et al., J. Chem. Res. 1998, 39. Modified conditions: J. E. T. Corrie, J. Chem.
Soc. Perkin Trans. I 1990, 2151; D. H. Hua et al., J. Org. Chem. 57, 399 (1992).
Good luck.
Santi.
hasannudin
hasannudin Para: everybody$##$orglist.net
<hasannudin_105$##$ya cc:
hoo.com> Asunto: ORGLIST: about peachmann reaction
Enviado por:
everybody-bounces@
orglist.net
02/03/05 12:44
hi every body, i am student in bandung institute of tech.
now i have a task about sintesis some coumpound about peachmann reaction.
i cant find , how its mecanism,
could anyone help me, how can i learn about that reaction...
thank you to all..
hasan.
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