Search Results - "Ahmad Nawaz, Sarfraz"

Cholinesterase Inhibiting Withanolides from Withania somnifera by Choudhary, Muhammad Iqbal, Yousuf, Sammer, Nawaz, Sarfraz Ahmad, Ahmed, Shakil, Atta-ur-Rahman

“…A total of two new (1, 2) and four known (3—6) withanolides were isolated from the whole plant of Withania somnifera. Their structures were elucidated on the…”
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3D-QSAR CoMFA studies on bis-coumarine analogues as urease inhibitors: A strategic design in anti-urease agents by Zaheer-ul-Haq, Lodhi, M. Arif, Ahmad Nawaz, Sarfraz, Iqbal, Sajid, Mohammed Khan, Khalid, Rode, Bernd M., Atta-ur-Rahman, Choudhary, M. Iqbal

“…A 3D-QSAR study has been performed on thirty (30) bis-coumarine derivatives to correlate their chemical structures with their observed urease inhibitory…”
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New Cholinesterase Inhibiting Bisbenzylisoquinoline Alkaloids from Cocculus pendulus by Atta-Ur-Rahman, Atia-Tul-Wahab, Nawaz, Sarfraz Ahmad, Choudhary, M. Iqbal

“…Phytochemical investigation on Cocculus pendulus (J. R. & G. FORST.) resulted in the isolation of two new and three known bisbenzylisoquinoline alkaloids. The…”
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Enzymes Inhibiting Lignans from Vitex negundo by Azhar-Ul-Haq, Malik, Abdul, Anis, Itrat, Khan, Sher Bahadar, Ahmed, Ejaz, Ahmed, Zaheer, Nawaz, Sarfraz Ahmad, Choudhary, Muhammad Iqbal

“…Two new lignans trivially named negundins A (1) and B (2), were isolated along with (+)-diasyringaresinol (3), (+)-lyoniresinol (4), vitrofolal E (5) and…”
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Microbial Hydroxylation of Pregnenolone Derivatives by Choudhary, Muhammad Iqbal, Batool, Iffat, Shah, Syed Adnan Ali, Nawaz, Sarfraz Ahmad, Atta-ur-Rahman

“…Pregnenolone (1) and pregnenolone acetate (2) were incubated with the fungi Cunninghamella elegans, Rhizopus stolonifer and Gibberella fujikuroi. Incubation of…”
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Three New Cholinesterase-Inhibiting cis-Clerodane Diterpenoids from Otostegia limbata by Ahmad, Viqar Uddin, Khan, Afsar, Farooq, Umar, Kousar, Farzana, Khan, Saleha Suleman, Nawaz, Sarfraz Ahmad, Abbasi, Muhammad Athar, Choudhary, Muhammad Iqbal

“…Three new tricyclic cis-clerodane type diterpenoids trivially named as limbatolide A (1), limbatolide B (2) and limbatolide C (3) have been isolated from the…”
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Cholinesterase Inhibitory Constituents from Onosma hispida by Ahmad, Ijaz, Anis, Itrat, Malik, Abdul, Nawaz, Sarfraz Ahmad, Choudhary, Muhammad Iqbal

“…Hispidone, a new flavanone, has been isolated from Onosma hispida and assigned the structure (2S)-5,2′-dihydroxy-7,4′,5′-trimethoxyflavanone (1) by…”
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Cholinesterase-Inhibiting Withanolides from Ajuga bracteosa by Riaz, Naheed, Malik, Abdul, Aziz-ur-Rehman, Nawaz, Sarfraz Ahmad, Muhammad, Pir, Choudhary, M. Iqbal

“…Three new withanolides, bracteosin A (=(22R)‐5β,6β : 22,26‐diepoxy‐4β,28‐dihydroxy‐3β‐methoxyergost‐24‐ene‐1,26‐dione; 1), bracteosin B (=(22R)‐5β,6β :…”
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Microbial transformation of (−)-isolongifolol and butyrylcholinesterase inhibitory activity of transformed products by Choudhary, M. Iqbal, Musharraf, Syed Ghulam, Ahmad Nawaz, Sarfraz, Anjum, Shazia, Parvez, Masood, Fun, Hoong-Kun, Atta-ur-Rahman

“…This paper describes the microbial transformation of (−)-isolongifolol ( 1) and butyrylcholinesterase inhibitory activity of the transformed products 2– 4. The…”
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Isolation of Onosmins A and B, Lipoxygenase Inhibitors from Onosma hispida by Ahmad, Ijaz, Nawaz, Sarfraz Ahmad, Afza, Nighat, Malik, Abdul, Fatima, Itrat, Khan, Sher Bahadar, Ahmad, Manzoor, Choudhary, Muhammad Iqbal

“…Onosmins A (1) and B (2), lipoxygenase inhibitors, have been isolated from Onosma hispida. Their structures were established as…”
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Haloxylines A and B, Antifungal and Cholinesterase Inhibiting Piperidine Alkaloids from Haloxylon salicornicum by Ferheen, Sadia, Ahmed, Ejaz, Afza, Nighat, Malik, Abdul, Shah, Muhammad Raza, Nawaz, Sarfraz Ahmad, Choudhary, Muhammad Iqbal

“…Haloxylines A (1) and B (2), new piperidine alkaloids, have been isolated from the chloroform soluble fraction of Haloxylon salicornicum and their structures…”
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Two New Diterpenoids from Ballota limbata by Ahmad, Viqar Uddin, Farooq, Umar, Hussain, Javid, Ullah, Farman, Nawaz, Sarfraz Ahmad, Choudhary, Muhammad Iqbal

“…Two new clerodane-type diterpenoids trivially named as ballotenic acid (1) and ballodiolic acid (2) have been isolated from Ballota limbata along with three…”
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Cholinesterase-Inhibiting New Steroidal Alkaloids from Sarcococca hookeriana of Nepalese Origin by Choudhary, M. Iqbal, Devkota, Krishna Prasad, Nawaz, Sarfraz Ahmad, Shaheen, Farzana, Atta-ur-Rahman

“…Bioassay‐guided phytochemical investigation of Sarcococca hookeriana has resulted in the isolation and structure elucidation of five new pregnane‐type…”
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Antiinflammatory and lipoxygenase inhibitory compounds from vitex agnus-castus by Choudhary, M. Iqbal, Jalil, Saima, Nawaz, Sarfraz Ahmad, Khan, Khalid Mohammed, Tareen, Rasool Bakhsh

“…Several secondary metabolites, artemetin (1), casticin (2), 3,3'-dihydroxy-5,6,7,4'-tetramethoxy flavon (3), penduletin (4), methyl 4-hydroxybenzoate (5),…”
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Paeonins A and B, Lipoxygenase Inhibiting Monoterpene Galactosides from Paeonia emodi by Riaz, Naheed, Anis, Itrat, Malik, Abdul, Ahmed, Zaheer, Aziz-ur-rehman, Muhammad, Pir, Nawaz, Sarfraz Ahmad, Choudhary, Muhammad Iqbal

“…Paeonins A and B, new monoterpene galactosides have been isolated from the chloroform-soluble fraction of the roots of Paeonia emodi and showed potent…”
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Lipoxygenase Inhibiting Constituents from Indigofera hetrantha by Aziz-ur-rehman, Malik, Abdul, Riaz, Naheed, Ahmad, Habib, Nawaz, Sarfraz Ahmad, Choudhary, Muhammad Iqbal

“…A lignan and two acylphloroglucinols have been isolated from the ethyl acetate soluble fraction of the whole plant of Indigofera hetrantha. Their structures…”
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Four New Diterpenoids from Ballota limbata by Ahmad, Viqar Uddin, Farooq, Umar, Abbaskhan, Ahmed, Hussain, Javid, Abbasi, Muhammad Athar, Nawaz, Sarfraz Ahmad, Choudhary, M. Iqbal

“…Six diterpenoids (1–6) belonging to the clerodane and tetracyclic diterpene types were isolated from the CHCl3 extract of Ballota limbata. The structures of…”
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Butyrylcholinesterase inhibitory guaianolides from Amberboa ramosa by Khan, Sher Bahadar, Azhar-ul-Haq, Perveen, Shagufta, Afza, Nighat, Malik, Abdul, Nawaz, Sarfraz Ahmad, Shah, Muhammad Raza, Choudhary, Muhammad Iqbal

“…Phytochemical investigation of the whole plant of Amberboa ramosa led to the isolation of six sesquiterpene lactones which could be identified as…”
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Pakistolides A and B, Novel Enzyme Inhibitory and Antioxidant Dimeric 4-(Glucosyloxy)Benzoates from Berchemia pakistanica by Mukhtar, Naveen, Malik, Abdul, Riaz, Naheed, Iqbal, Kiran, Tareen, Rasool Bakhsh, Khan, Shamsun Nahar, Nawaz, Sarfraz Ahmad, Siddiqui, Juveria, Choudhary, M. Iqbal

“…Pakistolides A and B, novel dimeric β‐(glucosyloxy)benzoates were isolated from Berchemia pakistanica and assigned structures 1 and 2 on the basis of extensive…”
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Structural Basis of Binding and Rationale for the Potent Urease Inhibitory Activity of Biscoumarins by Rahman, Atta-ur, Iqbal, Sajid, Nawaz, Sarfraz Ahmad, Jalil, Saima, Shaik, Noor Ahmad, Lodhi, Atif, Choudhary, Muhammad Iqbal, Shams, Sulaiman, Lodhi, Muhammad Arif, Khan, Khalid Mohammed

“…Dedicated to the memory of Dr. Mohammad Hussain Panjwani (1940–1992), a renowned philanthropist and scholar…”
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