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Title: Solvent free Stobbe condensation: A green approach
Authors: Banerjee, Shubhra
Tayde, Ravibabu A
Sharma, Bhagyashree D
Keywords: Stobbe reaction
solvent-free method
classical method
Issue Date: Jun-2009
Publisher: CSIR
Abstract: <smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="metricconverter"> Solvent free Stobbe-condensation of methyl <img src='/image/spc_char/beta.gif'> benzoyl propionate <b>1c</b> and methyl <img src='/image/spc_char/beta.gif'>-naphthoyl propionate <b>1d</b> with benzaldehyde, anisaldehyde and furfural using dry solid potassium tertiary butoxide at room temperature and at 80°C gives <img src='/image/spc_char/beta.gif'> arylidene <img src='/image/spc_char/beta.gif'> benzoyl propionic acid <b>2a-c</b> and <img src='/image/spc_char/beta.gif'> arylidene <img src='/image/spc_char/beta.gif'> naphthoyl propionic acid <b>2d-f</b> respectively. Base-catalysed solvent free Stobbe condensation of dimethyl succinate <b>1e</b> and aliphatic and aromatic ketones at room temperature gives 1,1-alkylidene monomethyl succinate <b>3a,b</b> and 1,1-arylidene monomethyl succinate <b>3c</b> respectively. </smarttagtype>
Description: 882-885
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.48B(06) [June 2009]

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