Journal of Natural Products 2012-02-24

Unusual isomeric corniculatolides from mangrove, Aegiceras corniculatum.

M Gowri Ponnapalli, S Ch V A Rao Annam, Saidulu Ravirala, Sushma Sukki, Madhu Ankireddy, V Raju Tuniki

Index: J. Nat. Prod. 75(2) , 275-9, (2012)

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Abstract

Four new isomeric macrolides of combretastatin D-2 congeners named isocorniculatolide A (1), 11-O-methylisocorniculatolide A (2), 11-O-methylcorniculatolide A (3), and 12-hydroxy-11-O-methylcorniculatolide A (4), and the known corniculatolide A (5), arjunolic acid, and maslinic acid were isolated from the CHCl(3) extract of the bark of Aegiceras corniculatum. The structures of the new compounds (1-4) were elucidated by a combination of spectroscopic analysis (1-5), chemical modifications, and single-crystal X-ray analysis (1).

Related Compounds

  • Arjunolic acid
  • Crategolic acid

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