Natural Product Sciences

The Korean Society of Pharmacognosy (한국생약학회)
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7-Hydroxy-4-methoxy-5-methylcoumarin: A Further 5-Methylcoumarin from Toona ciliata (Meliaceae)

  • Chowdhury, Rasheduzzaman (Phytochemical Research Laboratory, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka) ;
  • Ahmed, Aliza (Phytochemistry Research Laboratory, Department of Pharmacy, The University of Asia Pacific) ;
  • Rahman, Md. Zakiur (Phytochemistry Research Laboratory, Department of Pharmacy, The University of Asia Pacific)
  • Published : 2004.06.30
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Abstract

A 5-C-methylcoumarin was isolated from the petroleum ether extract of Toona ciliata stem bark. Its structure was established as 7-Hydroxy-4-methoxy-5-methylcoumarin on the basis of spectral data, including 2D NMR.

Keywords

References

  1. Chowdhury, R., 5 Methylcoumarins from Toona ciliata stem bark and their chemotaxonomic significance, Biochem. Syst. Ecol. 32, 103-105 (2004) https://doi.org/10.1016/S0305-1978(03)00182-0
  2. Chowdhury, R., Rashid, R.B,, Sohrab, M.H. and Hasan, C.M. 12$\alpha$-hydroxystigmast 4 en 3 one: A new bioactive steroid from Toona ciliata (Meliaceae), Pharmazie 58, 272-273 (2003)
  3. de Oliveira, A.B., Fonseca e Silva, L.G. and Gottlieb, O.R., Flavonoids and coumarins from Platymiscium praecox, Phytochemistry 11, 3515-3519 (1972) https://doi.org/10.1016/S0031-9422(00)89849-0
  4. Lapper, R.D., The carbon 13 nuclear magnetic resonance spectrum of siderin, Tetrahedron Lett. 1974, 4293-4296 (1974)