Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/9235
Title: Condensation of reactive phenols with aromatic 1,2-diketones: A single step protocol for synthesis of benzo-fused <img src='/image/spc_char/gamma.gif' border=0>-lactones
Authors: Mashraqui, Sabir H
Patil, Mamta B
Mistry, Hitesh D
Ashraf, Mohamed
Sundaram, Subramanian
Keywords: 1,2-Diketones
phenols
<img src='/image/spc_char/gamma.gif' border=0>-lactones
condensation
aryl migration
Issue Date: Dec-2005
Publisher: CSIR
Series/Report no.: <b>Int.Cl.<sup>7</sup> C 07 C</b>
Abstract: The condensation of certain reactive phenols with aromatic 1,2-diketones has been investigated under acid / Lewis acid catalysis. The reaction has provided in acceptable yields a single major product, identified as benzo-fused <img src='/image/spc_char/gamma.gif' border=0>-lactone. 1,2-Aryl migration via the intermediacy of a cyclic zwitterionic intermediate is proposed to account for the formation of the <img src='/image/spc_char/gamma.gif' border=0>-lactone products.
Description: 2545-2549
URI: http://hdl.handle.net/123456789/9235
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(12) December 2005]

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