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Title: Total synthesis of (±)-grimaldone, epigrimaldone and α-cuparenones
Authors: Srikrishna, A
Ramachary, D B
Keywords: Grimaldone;Epigrimaldone;α-cuparenone;Claisen rearrangement;Diazoketone;Cyclopropanation reaction;Retro-Claisen condensation
Issue Date: May-2006
Publisher: NISCAIR-CSIR, India
IPC Code: Int.Cl.8 C 07 C
Abstract: Total synthesis of (±)-grimaldone, epigrimaldone and α-cuparenone has been described. A combination of orthoester Claisen rearrangement, an acid catalysed rearrangement of a diazoketone for the generation of bicyclo[4.2.1]nonanedione, a retro-Claisen condensation and an intramolecular diazoketone cyciopropanation reaction have been employed for the construction of three contiguous quaternary atoms present in grimaldone and epigrimaldones.
Page(s): 1216-1226
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.45B(05) [May 2006]

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