EDUCATION

D.Sc.

( University of Karachi )

2004

Ph.D. (Organic Chemistry)

H. E. J. Research Institute of Chemistry
University of Karachi, Karachi, Pakistan

1987

Thesis Title :

"The Isolation and Structural Studies on Some Medicinal Plants of Pakistan, Buxus papillosa, Catharanthus roseus and Cissampelos pareira."

M.Sc. (Organic Chemistry)

University of Karachi, Karachi, Pakistan

1983

B.Sc. (Chemistry, Biochemistry, Botany)

University of Karachi, Karachi, Pakistan

1980

AWARDS & HONORS

2001

1998

2002

2002

2004

2003

2001

1998

1997-98

1992

1993

1994

1996

1995-98

2004

EXPERIENCE

Director (Acting)

H.E.J. Research Institute of Chemistry
International Center for Chemical Sciences
University of Karachi

22 August 2002 Present

Co-Director

Panjwani Center for Molecular Medicines and Drug Research
International Center for Chemcial Sciences
University of Karachi

22 August 2002 Present

Professor

H.E.J. Research Institute of Chemistry
University of Karachi

April 2000-Present

Guiding Graduate Level Research in the Fields of Natural Products and Structural Organic Chemistry and In-charge of the Enzyme Inhibition Studies / Antioxidant Laboratories and Bioassay Facilities of the Institute.

Associate Professor

H.E.J. Research Institute of Chemistry,
University of Karachi

July 1994- April 2000

Senior Fulbright Fellow

Scripps Institute of Oceanography
University of California, San Diego, USA

1998

Assistant Professor

H.E.J. Research Institute of Chemistry,
University of Karachi

Dec. 1988- July 1994

Visiting Faculty

Department of Chemistry, Cornell University,
Ithaca , NY 14853, USA

Aug. 1994- Dec. 1994

Visiting Faculty

Department of Chemistry, Cornell University,
Ithaca, NY 14853, USA

Aug. 1992- Dec. 1992

Visiting Scientist

Department of Chemistry, Cornell University,
Ithaca , NY 14853, USA

May 1990- Aug. 1990

Visiting Scientist

Department of Chemistry,
Cornell University, Ithaca, NY 14853, USA

June 1989- Sep. 1989

Visiting Scientist

Department of Medicinal Chemistry
Purdue University, West Lafayette, Indiana 47907, USA

Sep. 1989- Nov. 1989

Post Doctoral Research Associate

Department of Chemistry,
Cornell University, Ithaca, NY 14853, USA

Dec. 1987- Dec. 1988

"Single Crystal X-Ray Diffraction Studies on Novel
Natural Products and Synthetic Peptides".

Senior Research Fellow
H.E.J. Research Institute of Chemistry
University of Karachi, Karachi-75270, Pakistan

Dec. 1986- Oct. 1987

"Isolation and Structure Elucidation of New Steroidal Alkaloids from Buxus Species".

Research Associate
Department of Chemistry
Pennsylvania State University, University Park,
PA 16802, USA

Nov. 1985- Nov. 1986

"Phytochemical Studies on Medicinally Important Flora".

Research Student
Department of Chemistry
University of Karachi, Karachi-75270, Pakistan

Dec. 1981- Aug. 1983

"Quantitative Analysis of Organic Pollutants in Soil and
Rain Water of Karachi City".

MEMBERSHIPS

• Member of the National Commission on Nenotechnology
• Member of the Board of Trustees of the Pakistan Science Foundation
• Member of the Executive Board of the Pakistan Atomic Engergy Commission
• Member of the National Commission on Biotechnology
• Fellow of the Royal Society of Chemistry, London
• American Chemical Society
• Fellow of the Chemical Society of Pakistan
• Fellow of the International Union of Pure and Applied Chemistry (IUPAC)
• Member of the American Society of Pharmacognosy
• Member of the The New York Academy of Sciences
• Member of the Federation of Asian Chemical Societies (FACS)
• Member, Executive Board of the Asian Network of
  Research on Anti-Diabetic Plants (ANRAP)
• Member of the Steering Committee on Higher Education Pakistan (2002-2003)
• Member of the Executive Counicl of AFASSA Network (Africa Asia and South America)
• Member of the Swiss Chemical Society
• Member of the Inter Academy Panel (IAP), Amsterdam, The Netherlands
• Member of the Committee for Central Research Fund, Ministry of Health
• Member of PTCL Research Board (2001-2004)
• Member Selection Board of the Federal Urdu University for Arts, Science and Technology
• Member Sectoral Committee on Universiyt-Industry Steering Committee (Pharmaceutical) HEC, Islamabad.
• Member of the Selection Board of PSQCA
• Member of the Grant Committee of Aga Khan Medical University (2001-2004)

Isolation and Structure of Rosamine, a New Pseudoindoxyl Alkaloid from the Leaves of Catharanthus roseus, Atta-ur-Rahman, I. Ali, M. Bashir and M. I. Choudhary,
Z. Naturforsch., 39b, 1292 (1984).

Germany

Nigellimine-N-Oxide- a New Isoquinoline Alkaloid from the Seeds of Nigella sativa, Atta-ur-Rahman, S. Malik, S. Ahmed, M. I. Choudhary and Habib-ur-Rehman, Heterocycles, 23, 953 (1985).

Japan

The Isolation and Structure of Buxaquamarine- a New Steroidal Alkaloid from Buxus papilosa, Atta-ur-Rahman, M. I. Choudhary and M. Nisa, Heterocycles, 23, 1951 (1985).

Japan

Isolation and 13C-NMR Studies on Cathovaline- an Alkaloid from the Leaves of Catharanthus roseus, Atta-ur-Rahman, I. Ali and M. I. Choudhary, Planta Medica, 51, 447 (1985).

Germany

Cyclobuxoviricine- a Steroidal Alkaloid from Buxus papillosa, Atta-ur-Rahman, M. I. Choudhary and M. Nisa, Phytochemistry, 24, 3082 (1985).

UK

Alkaloids from the Leaves of Buxus papillosa, Atta-ur-Rahman, M. I. Choudhary, I. Ali and Habib-ur-Rehman, J. Nat. Prod., 49, 106 (1986).

USA

30-Acetoxy-N-Benzoylbuxidienine- a New Alkaloid from the Leaves of Buxus papillosa, Atta-ur-Rahman and M. I. Choudhary, J. Chem. Soc., Perkin Trans., I, 919 (1986).

UK

Bannucine- a New Dihydroindole Alkaloid from Catharanthus roseus, Atta-ur-Rahman, I. Ali and M. I. Choudhary, J. Chem. Soc., Perkin Trans ., I, 923 (1986).

UK

Five New Steroidal Alkaloids from Buxus papillosa, some Relationship between Structures and Specific Rotations, M. I. Choudhary, Atta-ur-Rahman, A. J. Freyer and M. Shamma, Tetrahedron, 42, 5747 (1986).

USA

New Alkaloids from Buxus papillosa, M. I. Choudhary, Atta-ur-Rahman, A.J. Freyer and M. Shamma, J. Nat. Prod., 50, 84 (1987).

USA

N -Benzoyl-16-acetylcycloxobuxidine: a New Alkaloid from the Leaves of Buxus papillosa, Atta-ur-Rahman, M. I. Choudhary and M. Nisa, Planta Medica, 53, 75 (1987).

Germany

N -Formylcyclomicrobuxeine- a New Alkaloid from the Leaves of Buxus papillosa, Atta-ur-Rahman, M. Alam, M. I. Choudhary and S. Firdous, Planta Medica, 53, 496 (1987).

Germany

Papilamidine- a New Steroidal Alkaloid from the Leaves of Buxus papillosa, Atta-ur-Rahman, M. Alam, G. Ahmed and M. I. Choudhary, Heterocycles,27, 89 (1988).

Japan

Four Steroidal Alkaloids from Buxus papillosa, M. I. Choudhary, Atta-ur-Rahman, and M. Shamma, Phytochemistry, 27, 271 (1988).

UK

Buxaminone- a New Alkaloid from the Leaves of Buxus papillosa, Atta-ur-Rahman, M. Alam and M. I. Choudhary, J. Nat. Prod., 51, 309 (1988).

USA

Chemical Constituents of Buxus sempervirens, Atta-ur-Rahman, D. Ahmed, M. I. Choudhary, S. Turkoz and B. Sener, Planta Medica, 54(2), 173 (1988).

Germany

Alkaloids from the Leaves of Alstonia macrophylla, Atta-ur-Rahman, F. Nighat, M. I. Choudhary and K.T.D. de Silva, Heterocycles, 27, 961 (1988).

Japan

(+)-N-Formylharappamine and (+)-N-Formylpapilicine- Two New Steroidal Alkaloids from Buxus Papillosa, M. I. Choudhary, Atta-ur-Rahman and M. Shamma, Phytochemistry, 27, 1561 (1988).

UK

Semperviramidine- a New Steroidal Alkaloid from Buxus sempervirens, Atta-ur-Rahman, D. Ahmed, M. I. Choudhary, B. Sener and S. Turkoz, Phytochemistry, 27(7), 2367 (1988).

UK

Alkaloids from the Leaves of Buxus sempervirens, Atta-ur-Rahman, D. Ahmed, M. I. Choudhary, B. Sener and S. Turkoz, J. Nat. Prod., 51(4), 783 (1988).

USA

Malabarolide- a Novel Furanoid Bisnorditerpenoid from Tinospora malabarica, Atta-ur-Rahman, S. Ahmed, D.S. Rycroft, L. Parkanyi, M. I. Choudhary and J. Clardy, Tetrahedron Lett., 29, 4241 (1988).

UK

Neozeylanicine- a Novel Alkaloid from the Timber of Neonauclea zeylanica, Atta-ur-Rahman, I. I. Vohra, M. I. Choudhary, L. B. De Silva, W.H.M.W. Herath and K. M. Navaratne, Planta Medica, 54, 461 (1988).

Germany

(+)-N-Acetyl-N-demethylcyclomicrobuxeine- Isolation and Structural & Conformational Studies, Atta-ur-Rahman, M. Alam and M. I. Choudhary, Phytochemistry, 27, 3342 (1988).

UK

Alkaloids from Alstonia macrophylla, Atta-ur-Rahman, G. Ahmed, M. I. Choudhary, Habib-ur-Rehman and K.T.D. De Silva, Phytochemistry, 27, 3653 (1988).

UK

Chromodorolide A- a Rearranged Diterpene with a New Carbon Skeleton from the Indian Ocean Nudibranch Chromodoris cavae, E.J. Dumdei, E. D. de Silva, R. J. Andersen, M. I. Choudhary and J. Clardy, J. Am. Chem. Soc ., 111, 2712 (1989).

USA

New Steroidal Alkaloids from the Leaves of Buxus sempervirens, Atta-ur-Rahman, D. Ahmed, M. I. Choudhary, B. Sener and S. Turkoz, Fitoterapia, LX(5), 439 (1989).

Italy

Triterpenoid Constituents of Buxus papillosa, Atta-ur-Rahman, H. Nasir, Z. Iqbal, M. I. Choudhary and M. Alam, Phytochemistry, 28, 2848 (1989).

UK

A Steroidal Alkaloid from Buxus papillosa, Atta-ur-Rahman, Z. Iqbal, M. Alam, M. I. Choudhary, H. Nasir and T. Fatima, Phytochemistry, 29, 683 (1990).

UK

Buxapapilinine- a Novel Alkaloid from the Leaves of Buxus papillosa, Atta-ur-Rahman, Z. Iqbal, M. I. Choudhary and T. Fatima, Heterocycles, 31, 493 (1990).

Japan

Steroidal Alkaloids from Buxus papillosa, Atta-ur-Rahman, Z. Iqbal, R. Zaidi and M. I. Choudhary, J. Nat. Prod., 53, 319 (1990).

USA

Alstozine N-Oxide- a New Dihydroindole Alkaloid from Alstonia macrophylla, Atta-ur-Rahman, F. Nighat, G. Ahmed, M. I. Choudhary, Habib-ur-Rehman and K.T.D. de Silva, Fitoterapia, LXI(3), 230 (1990).

Italy

2-O- a -D-Galactopyranosyl Glycerol Hexaacetate from Ruellia brittoniana, V. U. Ahmed, M. I. Choudhary, M.F. Akhtar, M. Ahmed, G.H. Rizvani, K. U. Ghani and J. Clardy, J. Nat. Prod., 53, 960 (1990).

USA

A Quassinoid from Brucea javanica, L.Z. Lin, G. A. Cordell, C. Z. Ni, M. I. Choudhary and J. Clardy, Phytochemistry, 29, 2720 (1990): 29, 3999 (1990).

UK

A Furanoid Diterpenoid from Tinospora malabarica, Atta-ur-Rahman, S. Ahmed, M. I. Choudhary and S. Malik, Phytochemistry, 30, 356, (1991).

UK

Alkaloids from Veratrum album, Atta-ur-Rahman, R.A. Ali, T. Parveen, M. I. Choudhary, B. Sener and S. Turkoz, Phytochemistry, 30, 368 (1991).

UK

Stockerine- a Novel Linear Metabolite from Stockeyia indica, Atta-ur-Rahman, Z. Shah, M. I. Choudhary, S. A. Abbas and M. Shameel, Fitoterapia, LXII, 77 (1991).

Italy

Alkaloids from Rhazya stricta, Atta-ur-Rahman, K. Zaman, S. Perveen, Habib-ur-Rehman, A. Muzaffar, M. I. Choudhary and A. Perveen, Phytochemistry, 30, 1285 (1991).

UK

Steroidal Alkaloids from Leaves of Buxus sempervirens, Atta-ur-Rahman, D. Ahmed, E. Asif, S. A. Jamal, M. I. Choudhary, B. Sener and S. Turkoz, Phytochemistry, 30, 1295 (1991).

UK

Chemical Constituents of Alstonia macrophylla, Atta-ur-Rahman, S. A. Abbas, F. Nighat, M. I. Choudhary, K. A. Alvi, Habib-ur-Rehman, K. T. D. De Silva and
L. S. R. Arambewele, J. Nat. Prod., 54, 750 (1991).

USA

A Diterpenoid Lactone from Aplysia juliana, Atta-ur-Rahman, K .A. Alvi, S. A. Abbas, T. Sultana, M. Shameel, M. I. Choudhary and J. Clardy, J. Nat. Prod., 54, 886 (1991).

USA

Sophazrine- a Novel Quinolizidine Alkaloid from Sophora griffithii, Atta-ur-Rahman, A. Perveen, M. I. Choudhary, N. Hasan and B. Sener, J. Nat. Prod., 54, 929 (1991).

USA

Clavepictines A and B: Cytotoxic Quinolizidines from the Tunicate Clavelina picta, M.F. Raub and J.H. Cardellina, M. I. Choudhary, C.Z. Ni, and J. Clardy,
J. Am. Chem. Soc. , 113, 3178 (1991).

USA

Macroxine- a Novel Oxindole Alkaloid from Alstonia macrophylla, Atta-ur-Rahman, F. Nighat, K. Zaman, A. Nelofer, M. I. Choudhary and K.T.D. De Silva, Tetrahedron, 47, 3129 (1991).

USA

Two Withanolides from Withania somnifera, Atta-ur-Rahman, S.A. Jamal, M. I. Choudhary and E. Asif, Phytochemistry, 30, 3824 (1991).

UK

Isolation and Structure Elucidation of Griffithine by 1D and 2D NMR Techniques, Atta-ur-Rahman, A. Parveen, M. Feroz, S. Parveen, M. I. Choudhary and N. Hasan, Magn. Reson. Chem. , 29, 1077 (1991).

UK

New Tetrahydrofuranoid Steroidal Alkaloids from Buxus heldebrandtii, Atta-ur-Rahman, M. I. Choudhary, A. Ata and E. Dagne, Heterocycles, 34, 157 (1992).

Japan

Chemical Constituents of Fumaria indica, Atta-ur-Rahman, M. K. Bhatti, M. I. Choudhary and B. Sener, Fitoterapia, LXIII(2), 129 (1992).

Italy

Two New Withanolides from Withania somnifera, Atta-ur-Rahman, S. A. Jamal and M. I. Choudhary, Heterocycles, 34, 689 (1992).

Japan

New Steroidal Alkaloids from Rhizomes of Veratrum album, Atta-ur-Rahman, R.A. Ali, M. I. Choudhary, B. Sener and S. Turkoz, J. Nat. Prod., 55, 565 (1992).

USA

Novel Triterpenoids from the Roots of Buxus papillosa, Atta-ur-Rahman, H. Nasir, E. Asif, S. S. Ali, Z. Iqbal, M. I. Choudhary and J. Clardy, Tetrahedron, 48, 3577 (1992).

USA

Perovskone- A Triterpene with a Novel Carbon Skeleton from Perovskia abrotanoides, A. Parvez, M. I. Choudhary, F. Akhtar, M. Noorwala, F.V. Mohammad, M.N. Hasan, T. Zamir and V. U. Ahmed, J. Org. Chem., 57, 4339 (1992).

USA

Alkaloids of Fumaria indica, Atta-ur-Rahman, M. K. Bhatti, Farzana Akhtar, and M. I. Choudhary, Phytochemistry, 31(8), 2869 (1992).

UK

Alkaloids from Buxus species, Atta-ur-Rahman, S. Naz, F. Noor-e-Ain, R.A. Ali, M. I. Choudhary, B. Sener and S. Turkoz, Phytochemistry, 31(8), 2933 (1992).

UK

New Steroidal Alkaloids from the Roots of Buxus papillosa, Atta-ur-Rahman, E. Asif, S. S. Ali, H. Nasir, S. A. Jamal, A. Ata, A. Farooque, M. I. Choudhary B. Sener and S. Turkoz, J. Nat. Prod., 55(8), 1063 (1992).

USA

A Furanoid Diterpene from Tinospora malabarica, Atta-ur-Rahman, S. S. Ali, S. Ahmed and M. I. Choudhary, Phytochemistry, 31(9), 3155 (1992).

UK

Two Steroidal Alkaloids from Buxus longifolia, Atta-ur-Rahman, F. Noor-e-Ain, R.A. Ali, M. I. Choudhary, A. Pervin, S. Turkoz and B. Sener, Phytochemistry, 32(4), 1059 (1993).

UK

New Withanolides from Withania species, Atta-ur-Rahman, S. Abbas, Durr-e-Shahwar, S.A. Jamal and M. I. Choudhary, J. Nat. Prod., 56(7), 1000 (1993).

USA

Isolation of Antihypertensive Alkaloids from Veratrum album, Atta-ur-Rahman, A. A. Ali, A. Gilani, M. I. Choudhary, K. Aftab, B. Sener and S. Turkoz, Planta Medica, 59, 569 (1993).

Germany

Boll Weevil Antifeedants from Arundo donax, D.H. Miles, K. Tunsuwan, V. Chittawong, U. Kokpol, M. I. Choudhary and J. Clardy, Phytochemistry, 34, 1277 (1993).

UK

Phytochemical Studies on Swertia cordata, Atta-ur-Rahman, A. Parvin, M. Feroz, M. I. Choudhary, M. M. Qureshi, S. Perveen, I. Mir and M. I. Khan, J. Nat. Prod.,57(1), 134 (1994).

USA

6S-11,13-Dihydroeremanthine from Ferula oopoda, Atta-ur-Rahman, R. Zaidi, M. I. Choudhary and S. Firdous, Fitoterapia, LXV(1), 62 (1994).

Italy

Taxane Diterpenes from Taxus baccata, G. Topcu, N. Sultana, F. Akhtar, Habib-ur-Rehman, T. Hussain, M. I. Choudhary and Atta-ur-Rahman, Nat. Prod. Lett., 4(2), 93 (1994).

UK

A New Anticholinergic Steroidal Alkaloid from Fritillaria imperialis of Turkish Origin, Atta-ur-Rahman, A. Farooq, M. I. Choudhary, A. H. Gilani, F. Shaheen,
R. A. Ali, F. Noor-e-Ain and B. Sener, Planta Medica, 60(4), 377 (1994).

Germany

Recent Discoveries in Natural Product Chemistry, Atta-ur-Rahman and M. I. Choudhary, Pure Appl. Chem., 66, 1967 (1994).

USA

New Furanoid Diterpenoidal Constituents of Tinospora malabarica, Atta-ur-Rahman, S. Ahmad, S. S. Ali, Z. Shah, M. I. Choudhary and J. Clardy, Tetrahedron, 50, 12109 (1994).

USA

Recent Phytochemical Studies and Chemotaxonomy of Genus Buxus, S.Naz, F. Noor-e-Ain, A.Ata, M. I. Choudhary, Atta-ur-Rahman, B. Sener and E. Dagne, Pure Appl. Chem. , 66, 304 (1994).

USA

Quettamine- type alkaloids from Leontice leontopetalum, T. H. Al-Tel, M. H. Abu Zarga, S. S. Sabri, Z. Shah, S. A. Jamal, M. I. Choudhary and Atta-ur-Rahman, Nat. Prod. Lett.,5, 315 (1995).

UK

Diterpenoid and Steroidal Alkaloids, Atta-ur-Rahman and M. I. Choudhary, Nat. Prod. Rep., 12, 361, (1995).

UK

Nigelidine- a New Indazole Alkaloid from the Seeds of Nigella sativa, Atta-ur-Rahman, S. Malik, S. S. Hasan, M. I. Choudhary, C. Z. Ni and J. Clardy, Tetrahedron Lett., ,36, 1993 (1995).

UK

Antifungal Aryltetralin Lignans from the Leaves of Podophylum hexandrum, Atta-ur-Rahman, M. Ashraf, M. I. Choudhary, Habib-ur-Rehman and M. H. Kazmi, Phytochemistry, 40, 427 (1995).

UK

Abietane Diterpenes from Salvia napifolia, A. Ulubelen, G. Topcu, U. Sonmez, M. I. Choudhary and Atta-ur-Rahman, Phytochemistry, 40, 861 (1995).

UK

Mössbauer, Multinuclear Magnetic Resonance and Mass Spectrometric Studies of Organotin Carboxyla

tes of m-Methyl Trans-Cinnamic Acid, M. Danish, S. Ali, M. Mazhar, A. Badshah, M. I. Choudhary, H. G. Alt and G. Kehr, Polyhedron., 14, 3115 (1995).

Germany

Antifungal Steroidal Lactones from Withania coagulance, M. I. Choudhary, D. Shahwar, Z. Parveen, Abdul Jabbar, I. Ali and Atta-ur-Rahman, Phytochemistry, 40, 1243 (1995).

UK

Alkaloidal Constituents of Fumaria indica, Atta-ur-Rahman, M. K. Bhatti, M. I. Choudhary and S. Ahmad, Phytochemistry, 40, 593 (1995).

UK

Withania somnifera : -A Source of Exotic Withanolides, Atta-ur-Rahman, S. A. Jamal, S. Abbas and M. I. Choudhary, Heterocycles, 42, 555 (1996).

Japan

Alkaloids of Sarcococca saligna, I. Naeem, N. Khan, M. I. Choudhary and Atta-ur-Rahman, Phytochemistry,43, 903 (1996).

UK

Steroidal Alkaloids from Veratrum album, Atta-ur-Rahman, R.A. Ali, M. Ashraf, M. I. Choudhary, B. Sener and S. Turkoz, Phytochemistry,43, 907 (1996).

UK

Two Flavonol Triglycosides from Flowers of Indigofera hebepetala, A. Hasan, I. Ahmad, M. A. Khan and M. I. Choudhary, Phytochemistry., 43, 1115 (1996).

UK

Cinnamates and Coumarins from the Leaves of Murraya paniculata, Atta-ur-Rahman, M. Shabbir, S. Z. Sultani, A. Jabbar and M. I. Choudhary, Phytochemistry, 44, 683 (1997).

UK

Diterpenoid and Steroidal Alkaloids, Atta-ur-Rahman and M. I. Choudhary, Nat. Prod. Rep., 14, 191, (1997).

UK

Antifungal Diterpenoid Alkaloids from Delphinium denudatum, Atta-ur-Rahman, A. Nasreen, F. Akhter, M. S. Shekhani, J. Clardy, M. Parvez and M. I. Choudhary,
J. Nat. Prod., 60, 472 (1997).

USA

New Steroidal Alkaloids from the Roots of Buxus sempervirens, Atta-ur-Rahman, M. I. Choudhary, S. Naz, A. Ata, B. Sener and S. Turkoz, J. Nat. Prod., 60, 770 (1997).

UK

Steroidal Alkaloids from Sarcococca saligna, Atta-ur-Rahman, M. I. Choudhary, M. R. Khan and M. Z. Iqbal, Phytochemistry, 45, 861 (1997).

UK

A Steroidal Glycoside from Clerodendron inerme, Atta-ur-Rahman, S. Begum, S. Saied, M. I. Choudhary and F. Akhtar, Phytochemistry, 45, 1721 (1997).

UK

Two New Pregnane-type Steroidal Alkaloids from Sarcococca saligna, Phytochemistry, 46, 771 (1997).

U.K.

A Succinyl Anthranilic Acid and other Bioactive Compounds from Jolyna laminarioides, Atta-ur-Rahman, M. I. Choudhary, A. Majeed, M. Shabbir and M. Shameel, Phytochemistry, 46, 1215 (1997).

UK

Elixirs of Love, M. I. Choudhary and Atta-ur-Rahman, Chemistry in Britain, 33, 25 (1997).

UK

New Steroidal Alkaloids from Buxus longifolia, Atta-ur-Rahman, F. Noor-e-Ain, M. I. Choudhary, S. Turkoz and B. Sener, J. Nat. Prod., 60, 976 (1997).

USA

Microbial Transformation of Sclareolide, Atta-ur-Rahman, A. Farooq and M. I. Choudhary, J. Nat. Prod., 60, 1038 (1997).

USA

Phytochemical Studies on Adhatoda vasica Nees, Atta-ur-Rahman, N. Sultana, F. Akhter, M. I. Choudhary and F. Nighat, Nat. Prod. Lett., 10, 249 (1997).

UK

Antifungal Natural Products from Medicinal Plants of Pakistan, Atta-ur-Rahman and M. I. Choudhary, Turk. J. Chem., 21, 13 (1997).

Turkey

Three New Steroidal Amines from Sarcococca saligna, Atta-ur-Rahman, M. I. Choudhary, M. R. Khan and M. Z. Iqbal, Nat. Prod. Lett., 11, 81 (1998).

UK

New Triterpenoidal Alkaloids from the Leaves of Buxus papillosa, Atta-ur-Rahman, M. I. Choudhary, S. Naz, A. Ata, S. Perveen and M. Parvez, Nat. Prod. Lett., 11, 111 (1998).

UK

Phytochemical Studies on Steroidal Alkaloids of Sarcococca saligna, Atta-ur-Rahman, S. Anjum, A. Farooq, M. R. Khan and M. I. Choudhary, Nat. Prod. Lett., 11, 297 (1998).

UK

New Steroidal Lactones from Withania coagulans, Atta-ur-Rahman, M. Shabbir, D. Shahwar, M. I. Choudhary, W. Voelter and D. Hohnholz, Heterocycles, 47, 1005 (1998).

Japan

New Natural Products from Medicinal Plants of Pakistan, Atta-ur-Rahman and M. I. Choudhary, Pure Appl. Chem., 70, 385 (1998).

USA

Antibacterial Steroidal Alkaloids from Sarcococca saligna, Atta-ur-Rahman, S. Anjum, A. Farooq, M. R. Khan, Z. Parveen and M. I. Choudhary, J. Nat. Prod., 61, 202 (1998).

USA

Microbial Transformations of Hypolipemic E-Guggulsterone, Atta-ur-Rahman, M. I. Choudhary, F. Shaheen, M. Ashraf and S. Jahan, J. Nat. Prod., 61, 428 (1998).

USA

Isolation and Structural Studies on the Chemical Constituents of Skimmia laureola, Atta-ur-Rahman, N. Sultana, M. I. Choudhary, P. M. Shah and M. R. Khan, J. Nat. Prod., 61, 713 (1998).

USA

Two New Ergostane-Type Steroidal Lactones from Withania coagulans, Atta-ur-Rahman, M. I. Choudhary, S. Qureshi, W. Gul and M. Yousaf, J. Nat. Prod., 61, 812 (1998).

USA