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Phytochemical investigations on six medicinal plants Mohammad Nur-e-Alam School of Chemistry Bangor University.

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Presentation on theme: "Phytochemical investigations on six medicinal plants Mohammad Nur-e-Alam School of Chemistry Bangor University."— Presentation transcript:

1 Phytochemical investigations on six medicinal plants Mohammad Nur-e-Alam School of Chemistry Bangor University

2 Extraction and Isolation in Carduus crispus

3 Carduuside A

4 EI MS Fragmentations

5 Important HOHAHA and HMBC Correlations

6 Carduuside B

7 Extraction and Isolation Scheme of Iris bungei

8 Iris bungei, Mongolian medicinal Plant Quinones Nur-e-Alam M, et. al. Chem. Pharm. Bull. 48, 2000;

9 Iris bungei, Mongolian Medicinal Plant Flavones Nur-e-Alam M, et. al. J. Nat. Prod. 64, 2001;

10 X-ray Crystal Structure of 5, 7 & 8 A molecule of DMSO is visible as solvent of crystallization

11 Iris bungei, Mongolian Medicinal Plant Peltogynoids Nur-e-Alam M, et. al. Chem. Pharm. Bull., 49, 2001;

12 X-ray Crystal Structure of 10 Crystal System: Monoclinic. Space group:P2 1/n, Final R factor:

13 Iris bungei, Mongolian Medicinal Plant Isoflavones Nur-e-Alam M, et. al. J. Nat. Prod. 64, 2001;

14 Withania coagulans, Pakistani medicinal plant UV, MeOH (log e):325 nm (3.84) and 276 (3.91) IR: (OH),2839 (CH), 1772 (C=O) and 1517 (C=C) FAB-ve MS: 1151, Base Peak m/z 414 HR-MS m/z , MF C 56 H 64 O 26, (Calcd )

15 1 H-NMR and 13 C-NMR

16 Important HMBC Corelation Nur-e-Alam M, et. al. Helv. Chim,. Acta, 86, 2003;

17 Compounds from Sophora alopecuroides Nur-e-Alam M, et. al. J. Nat. Prod. 63, 2000;

18 HMBC and X-ray Stracture of Novel compounds

19 Novel compounds from Ferula mongolica

20 Ferula mongolica Nur-e-Alam M, et. al. Helv. Chim,. Acta, 84, 2001;

21 Thank You Acknowledgements: Professor M Iqbal Chaudhary Professor Att-ur-Rahman and others lebfellows


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