Patents in USPTO:


  1. N. Ullah, Benzo[d]imidazole derivatives of piperidines and piperazine, Patent # US 8901304, Granted in December 2014.

  2. N. Ullah, Dihydroquinone Derivatives of piperidines and piperazine, Patent # US 8916704, Granted in December 2014. 

  3. N. Ullah, Dihydroquinone Derivatives of piperidines and piperazine, Patent # US 9073900, Granted in July 2015.

  4. N. Ullah, 6-Piperazinyl-3,4-dihydroquinazoline-2(1H)-ones, Patent # US 9145388, Granted in September 2015.

  5. N. Ullah, 6-Piperazinyl-3,4-dihydroquinazoline-2(1H)-ones, Patent # US 9199969, Granted in December 2015.

  6. N. Ullah, 6-Piperazinyl-3,4-dihydroquinazoline-2(1H)-ones, Patent # US 9205087, Granted in December 2015.

  7. M. Mansha, Y. Abbas, N. Ullah, Synthesis of (S)-2-acetamido-3-(4-hydroxy-3-(3-methylbut-2-enyl) phenyl) propanoic acid derivatives, Patent # US 9688611, Granted in June 2017.

  8. M. Mansha, Y. Abbas, N. Ullah, Uncatalyzed sigmatropic rearrangement of tyrosine-based compounds, Patent # US 10023527, Granted in July 2018.


Publications in peer-reviewed Journals:


  1. A. Waheed, M. Mansha, D. Ahmed, N. Ullah*. The first report on the in vitro antimicrobial activities of extracts of leaves of E. Serrata. Saudi J. Biol Sci., 2018, DOI:

  2. I. W. Kazi, S. A. Ali, N. Ullah. A new resin containing aminopropylphosphonate chelating ligand for high-performance mitigation of heavy metal ions. ChemistrySelect, 3, 13408-13418, 2018.

  3. M. M. Musa, I. Karume, M. Takahashi, S. Hamdan; N. Ullah, Stereoinversion of R-Configured Secondary Alcohols Using a Single Enzymatic Approach. ChemistrySelect, 3(36), 10205-10208, 2018.

  4. A. A. Boali, M. Mansha, A. Waheed, N. Ullah*, Synthesis of two new 1,5-naphthyridine-based conjugated polymers as calorimetric probe for iodide ion in water, J. Taiwan Inst. Chem. Eng., 91, 420-426, 2018.

  5. M. Mansha, U. Mehmood, N. Ullah*, Poly(phenylene cyanovinylenes) carbazole based conjugated polymer as a photosensitizer for dye-sensitized solar cells. Mater. Lett.,  231, 56-59, 2018.

  6. S. Popoola, N. Ullah, A. Al-Saadi, Spectroscopic and DFT assessment of bridging ligand effect on the structural and electronic properties of dinuclear iridium- and rhodium-based complexes. Inorg. Chim. Acta., 482, 299-306, 2018.

  7. A. Waheed, M. Mansha, N. Ullah*. Nanomaterials-based electrochemical detection of heavy metals in water: Current status, challenges and future direction. Trends Anal. Chem., 105, 37-51, 2018.

  8. A. T. Onawole, M. A. Ghassan, N. Ullah, A. A. Al-Saadi, Structural, spectroscopic and docking properties of resorcinol, its –OD isotopomer and dianion derivative: a comparative study. Struc. Chem., 29, 403-414, 2018.

  9. N. Ullah*, M. Mansha, I. Khan, A. Qurashi, Synthesis, Nanomaterial-based optical chemical sensors for the detection of heavy metals in water: Recent advances  and challenges. Trend. Anal. Chem., 100, 155-166, 2018.

  10. M. Altaf, M. Sohail, M. Mansha, N. Iqbal, M. Sher, A. Fazal, N. Ullah, A. A. Isab, Synthesis, Characterization and Photoelectrochemical-Catalytic Studies of a Water Stable Zinc-based Metal-organic Framework. ChemSusChem., 11, 542-546, 2018.

  11. H. Ni, Z. Tang, W. Zheng, W. Yao, N. Ullah*, Y. Lu*, Enantioselective phosphine-catalyzed formal [4+4] annulation of a,b-unsaturated imines and allene ketones: Construction of eight-membered rings. Angew. Chem. Int. Ed., 129(45), 14410-14414, 2017.

  12. A. T. Onawole, A. F. Al-Ahmadi, Y. S. Mary, C. Y. Panicker, N. Ullah, S. Armaković, S. J. Armaković, C. Van Alsenoy, A. A. Al-Saadi, Conformational, vibrational and DFT studies of a newly synthesized arylpiperazine-based drug and evaluation of its reactivity towards the human GABA receptor. J. Mol. Struct., 1147, 266–280, 2017.

  13. H. Ni, Z. Yu, W. Yao, Y. Lan*, N. Ullah*, Y. Lu*. Catalyst-controlled regioselectivity in phosphine catalysis: the synthesis of spirocyclic benzofuranones via regiodivergent [3 + 2] annulations of aurones and an allenoate. Chem. Sci., 8, 5699-5704, 2017.

  14. U. Mehmood, M. Mansha, N. Ullah*. 3-Hexyl-2,5-diphenylthiophene:phenylene vinylene-based conjugated polymer for solar cells application. Dyes Pigm., 144, 218-222, 2017.

  15. W. Yao, Z. Yu, S. Wen, H. Ni, N. Ullah*, Y. Lan*, Y. Lu*. Chiral phosphine-mediated intramolecular [3 + 2] annulation: enhanced enantioselectivity by achiral Brønsted acid. Chem. Sci., 8, 5196-5200, 2017.

  16. N. Ullah*, M. Altaf, M. Mansha. Crystal structures of 1-aryl-4-(biarylmethylene)piperazine and piperidine, structurally related to  adoprazine. J. Struc. Chem., 58(8), 1697-1702, 2017.

  17. M. Mansha, I. Khan, N. Ullah*, A. Qurashi. Synthesis, characterization and visible-light-driven photoelectrochemical hydrogen evolution reaction of carbazole-containing conjugated polymers. Int. J. Hyd. Energy, 42, 10952-10961, 2017. 

  18. M. Mansha, I. Khan, N. Ullah*, A. Qurashi, M. Sohail. Visible-light driven photocatalytic oxygen evolution reaction from new poly(phenylene cyanovinylenes). Dyes Pigm., 143, 95-102, 2017.

  19. M. Altaf, M. Mansha, M. Sohail, A. A. Isab, N. Ullah, S. A. Khan, M. Sher, H. Stoeckli-Evans. Synthesis, structures and photoluminescence properties of mixed ligand divalent metal–organic frameworks. New J. Chem., 41(8), 2980-2986, 2017.

  20. M. Mansha, M. Sohail, N. Ullah*. Synthesis, characterization and properties of new 3-hexyl-2,5-diphenylthiophene:phenylene vinylenes copolymers as colorimetric sensor for iodide anion. J. Applied. Pol. Sci., 134(24), app.44948, 2017.

  21. M. N. Siddiqui, M. Mansha, U Mehmood, N. Ullah, A. F. Al-Betar a, A. Al-Saadi. Synthesis and characterization of functionalized polythiophene for polymer-sensitized solar cell. Dyes Pigm., 141, 406-412, 2017.

  22. M Mansha, U. U. Kumari, Z. Cournia, N. Ullah*. Pyrazole-based potent inhibitors of GGT1: Synthesis, biological evaluation, and molecular docking studies. Eur. J. Med. Chem., 124, 666-676, 2016.

  23. S. Wen, X. Li, W. Yao, A. Waheed, N. Ullah*, Y. Lu*. Highly Enantioselective Conjugate Addition of Glycine Imines to Activated Alkenes Catalyzed by Amino-Acid-Derived Chiral Phosphonium Salts. Eur. J. Org. Chem., 25, 4298-4301, 2016.

  24. N. Ullah, M. Mansha, P. J. Casey*. Protein Geranylgeranyltransferase Type 1 as a Target in Cancer. Curr. Cancer Drug Targets, 16(7), 563-571, 2016.

  25. A. Farooq, L. Shahazadi, M. Bajda, N. Ullah, A. Rauf, S. A. Shahzad, A. F. Khan, M. Ashraf, M. Yar*. Organocatalyzed novel synthetic methodology for highly functionalized piperidines as potent a-glucosidase inhibitors. Arch. Pharm. Chem. 349, 1-9, 2016.

  26. Y. Abbas, M. Mansha, N. Ullah*. The first total synthesis of potent antitumoral (±)-mafaicheenamine A, unnatural 6-fluoromafaicheenamine A and expedient synthesis of clausine E. RSC Advances, 6, 26104-26110, 2016.

  27. H. Ni, W. Yao, A. Waheed, N. Ullah*, Y. Lu*. Enantioselective [4 + 2]-Annulation of Oxadienes and Allenones Catalyzed by an Amino Acid Derived Phosphine: Synthesis of Functionalized Dihydropyrans. Org. Lett., 18, 2138-2141, 2016.

  28. M. Mansha, A. Qurashi*, N. Ullah, F. O. Bakare, I. Khan, Z. H. Yamani. Synthesis of In2O3/graphene heterostructure and their hydrogen gas sensing properties. Ceram. Int., 42, 11490-11495, 2016.

  29. A. R. Raza*, A. Sultan, N. Ullah, M. R. S. A. Janjua, K. M. Khan. Fragmentation study of substituted chalcones: Gas phase formation of benz-1-oxin cation. Modern Chem. Appl., 4(1), 173, 2016.

  30. M. Mansha, N. Ullah*, Khalid Alhooshani. Synthesis of structural analogues of GGT1-DU40, a potent GGTase-1 inhibitor. Z. Naturforsch. B, 71(4), 333-344, 2016.

  31. S. M. S. Hussain, M. A. Animashaun, M. S. Kamal, N. Ullah, I. A. Hussein, A. S. Sultan. Synthesis, Characterization and Surface Properties of Amidosulfobetaine Surfactants Bearing Odd-Number Hydrophobic Tail. J. Surfact. Deterg., 19(2), 413-420, 2016.

  32. S. Mutahir, J. Jon´czyk , M. Bajda , I. U. Khan, M. A. Khan, N. Ullah, M. Ashraf, Qurat-ul-Ain, S. Riaz, S. Hussain, M. Yar*. Novel biphenyl bis-sulfonamides as acetyl and butyrylcholinesterase inhibitors: Synthesis, biological evaluation and molecular modeling studies. Bioorg. Chem., 64, 13-20, 2016.

  33. S. A. Ali,* I W. Kazi, N. Ullah. New Chelating ion-exchange resin synthesized via the cyclopolymerization protocol and its uptake performance for metal ion removal. Ind. Eng. Chem. Res., 54, 9689−9698, 2015.

  34. A. O. Ba-Salem, N. Ullah*, M. N. Shaikh*, M. Faiz, Z. Haq. Gd-complexes of new arylpiperazinyl conjugates of DTPA-bis(amides): Synthesis, characterization and magnetic relaxation properties. Molecules, 20, 7807-7819, 2015.  

  35. A. O. Ba-Salem, M. N. Shaikh, N. Ullah*, M. Faiz. Synthesis and magnetic relaxation properties of new Gd(III) complexes derived from DTPA-b(amide) conjugates of arylpiperazinyl amines. Inorg. Chem. Commun., 56, 5-7, 2015.  

  36. S. Mutahir, M. Yar, M. A. Khana, N. Ullah, S. A. Shahzad, I. U. Khan, R. A. Mehmood, M. Ashraf, R. Nasar, E. Pontiki. Synthesis, Characterization, Lipoxygenase inhibitory activity and in silico Molecular Docking of Biaryl bis(benzenesulfonamide) and Indol-3-yl-hydrazide derivatives. J. Iran. Chem. Soc., 12(6), 1123-1130, 2015.

  37. N. Ullah*, M. Altaf, M. Mansha, A. O. Ba-Salem. Crystal structures of dual dopamine D2 and serotonin 5-HT1A active arylpiperidinyl-2(1H)-3,4 dihydroquinolinones. J. Struc. Chem., 56(7), 1441-1445, 2015.

  38. M. Yar, M. Bajda, S. Shahzad, N. Ullah, M. Ashraf, M. M. Gilani, A. Rauf, A. Shaukat. Organocatalyzed solvent free an efficient novel synthesis of 2,4,5-trisubstituted imidazoles for a-glucosidase inhibition to treat diabetes. Bioorg. Chem., 58, 65-71, 2015.

  39. M. Mansha, Y. Abbas, N. Ullah*. Microwave assisted claisen rearrangement: Synthesis of naturally occurring trail-resistance-overcoming tyrosine derivative. Synthetic Commun., 45, 609-614, 2015.

  40. M. A. Sanhoob, O. Muraza, E. M. Al-Mutairi, N. Ullah. Role of crystal growth modifiers in the synthesis of ZSM-12 zeolite. Adv. Powder Technol., 26, 188-192, 2015.

  41. S. A. Ali, I. W. Kazi, N. Ullah. Construction of aqueous two-phase systems of the cyclopolymer of (diallylamino)-propylphosphonate and its sulfur dioxide copolymer with polyoxyethylene using 1H NMR spectroscopy. J. Chem. Eng. Data, 59, 3863-3872, 2014.

  42. U. Ghani, N. Ullah*, S. A. Ali, H. A. Al-Muallem. Dual D2 and 5-HT1A receptors binding affinities of 1-aryl-4-(diarylmethylene)piperazines and piperidines. Asian J. Chem., 26, 8358-8362, 2014.

  43. N. Ullah*. Synthesis and dual D2 and 5-HT1A receptor binding affinities of 7-piperazinyl and 7-piperidinyl-3,4-dihydroquinazolin-2(1H)-ones. Med. Chem., 10, 484-496, 2014.

  44. N. Ullah*. M. Altaf, Crystal tructures of 1-Aryl-4-(biarylmethylene)piperazines, Structurally Related to Adoprazine. Crystallog. Rep., 59, 1057-1062, 2014.

  45. M. Yar*, M. Bajda, R. A. Mehmood, L. R. Sidra, N. Ullah, L. Shahzadi, M. Ashraf, T. Ismail, S. A. Shahzad, Z. A. Khan, S. A. R. Naqvi, N. Mahmood. Design and synthesis of new dual binding site cholinesterase inhibitors: In vitro inhibition studies with in silico docking. Lett. Drug Des. Disc., 11, 331-338, 2014.

  46. N. Ullah*, H. Stoeckli-Evans. 8-{1-[(40-Fluoro-[1,10-biphenyl]-4-yl)-methyl]piperidin-4-yl}-3,4-dihydroquinolin-2(1H)-one chloroform 0.25-solvate. Acta Cryst. E70, o103-o104, 2014.

  47. S. L. Rubab, B. Nisar, A. R. Raza*, N. Ullah*, Muhammad Nawaz Tahir. Asymmetric Synthesis of 4,1-benzoxazepine-2,5-diones-effect of the halogen of (2S)-α-haloacids. Molecules, 19, 139-148, 2014.

  48. N. Ullah*. Synthesis of 6-piperazinyl-3,4-dihydroquinazolin-2(1H)-ones. Asian J. Chem., 26, 2031-2036, 2014.

  49. N. Ullah*. Synthesis and dual D2 and 5-HT1A receptor binding affinities of 5-piperidinyl and 5-piperazinyl-1H-benzo[d]imidazol-2(3H)-ones. J. Enzyme Inhib. Med. Chem., 29, 281-291, 2014.

  50. N. Ullah*, A. A. Q. Al-Shaheri. Synthesis of new 4-aryl-1 (biarylmethylene)piperidines, structural analogues of adoprazine (SLV313). Z. Naturforsch. B, 67b, 253-262, 2012.

  51. M. Yar*, M. Arshad, M. N. Akhtar, S. A. Shahzad, I. U. Khan, Z. A. Khan, N. Ullah, I. Ninomiya. Studies towards the synthesis of (±)-reserpine: Photocyclization mediated a novel and efficient synthesis of 11,18-dimethoxy-(20α)-18,19-didehydroyohimban-17-one. Eur. J. Chem., 3, 26-31, 2012.

  52. N. Ullah*. Synthesis of New 1-Aryl-4-(biarylmethylene)piperazine Ligands, Structurally Related to Adoprazine (SLV313). Z. Naturforsch. B, 67b, 75 84, 2012.

  53. N. Ullah*, S. A. Haladu, B. A. Moosa. An improved total synthesis of spermatinamine, an inhibitor of isoprenylcysteine carboxy methyltransferase. Tetrahedron Lett., 52, 212-214, 2011.

  54. N. Ullah*, S. A. Haladu. The First Total Synthesis of Aspergillusol A, an α-Glucosidase Inhibitor. Nat. Prod. Commun., 5, 1077-1080, 2010.

  55. U. Ghani*, N. Ullah. New potent inhibitors of tyrosinase: Novel clues to binding of 1,3,4-thiadiazole-2(3H)-thiones, 1,3,4-oxadiazole-2(3H)-thiones, 4-amino-1,2,4-triazole-5(4H)-thiones, and substituted hydrazides to the dicopper active site. Bioorg. Med. Chem., 18, 4042-4048, 2010.

  56. N. Ullah*. Undecyl 2,3-dimethoxycinnamate from Daphne oleoides. Asian J. Chem., 22, 2456-2458, 2010.

  57. K. M. Arafeh, N. Ullah*. Synthesis of neolamellarin A, an inhibitor of hypoxia-inducible factor-1. Nat. Prod. Commun., 4, 925-926, 2009.

  58. N. Ullah*. The first total synthesis of racemic hydroxymoloka’iamine. Z. Naturforsch. B, 64b, 464-466, 2009.

  59. N. Ullah*. The first total synthesis of galloyl tyramine. Z. Naturforsch. B, 64b, 879-782, 2009.

  60. N. Ullah*, K. M. Arafeh. The first total synthesis of aplysamine 6, an inhibitor of isoprenylcysteine carboxy methyltransferase. Tetrahedron Lett., 50, 158-160, 2009.

  61. N. Ullah, C. N. Fali, I. D. Spenser*. Synthesis of aminohydroxy acetone. Can. J. Chem., 82, 579-582, 2004.

  62. N. Ullah, J. Zeidler, I. D. Spenser*. Synthesis of deuterium labeled 2’-hydroxypyridoxols. Synlett., 09, 1344-1348, 2003.

  63. J. Zeidler, N. Ullah, R. N. Gupta, R. M. Pauloski, B. G. Sayer and I. D. Spenser*. 2’-hydroxypyridoxol, a precursor of vitamins B6 and B1 in Yeast. J. Am. Chem. Soc., 124, 4542-4543, 2002.

  64. N. Ullah, W. Seebacher, E. Haslinger*, J. Jurenitsch, K. Rauchensteiner, R. Weis. Synthesis and haemolytic properties of lactosides of glycerrhetic acid derivative. Monatsh. Chem., 133,139-150, 2002.

  65. N. Ullah*, P. Sonya, E. Haslinger, W. Ahmed, M. Arfan, A. Malik. A Lignoid glycoside and dimeric phenylpropanoids from Daphne oleoides. Helv. Chim. Acta, 84, 157-162, 2001.

  66. M. Riaz, A. Malik*, S. K. Sadozhai, M. Hussain, N. Ullah. Daphwazirin, a biscoumarin glycopyranoside from Daphne oleoides. Nat. Prod. Res., 15, 433-438, 2001.

  67. U. Ghani, K. K. S. Ng, Atta-ur-Rahman, M. I. Choudhary, N. Ullah, M. N. G. James*. Crystal Structure of g-Chymotrypsin in complex with 7-hydroxycoumarin. J. Mol. Biol., 314, 519-525, 2001.

  68. N. Ullah, W. Seebacher, R. Weis, J. Jurenitsch, K. Rauchensteiner, E. Haslinger*. Synthesis and haemolytic properties of glycerrhetic acid glycosides. Monatsh. Chem., 131, 787-794, 2000.

  69. N. Ullah*, S. A. Qureshi, S. Anwar, A. Malik, E. Haslinger. Long chain cinnamoic acid esters from Daphne oleoides. Z. Naturforsch. B, 55b, 982-984, 2000.

  70. M. Riaz, N. Ullah, A. Mehmood, H. R. Nawaz, A. Malik*, N. Afza. Furanoid and furofuranoid lignans from Daphne oleoides. Z. Naturforsch. B, 55b, 1216-1220, 2000.

  71. H. R. Nawaz, M. Riaz, A. Malik*, P. Muhammad Khan, N. Ullah. Withanolides and alkaloid from Ajuga parviflora. J. Chem. Soc. Pak., 22, 138-141, 2000.

  72. N. Ullah, S. Ahmed, P. Mohammed, Z. Ahmed, E. Anis, H. R. Nawaz, A. Malik*. Coumarinolignoid glycoside from Daphne oleoides. Phytochemistry, 51, 103-105, 1999.

  73. P. Mohammad, S. Ahmed, H. R. Nawaz, N. Ullah, A. Malik*. New acetylated quinols from Ajuga parviflora. Fitoterapia, 70, 229-232, 1999.

  74. N. Ullah, S. Ahmed, E. Anis, P. Mohammad, H. R. Nawaz, A. Malik*. A Lignan from Daphne oleoides. Phytochemistry, 50, 147-149, 1999.

  75. N. Ullah, Z. Ahmed, S. Ahmed, P. Mohammed, A. Malik*. A Pentacyclic triterpene from Daphne oleoides. Phytochemistry, 50, 839-841, 1999.

  76. S. Ahmed, A. Malik*, R. Yasmin, N. Ullah, W. Gul, P. Mohammed, H. R. Nawaz. Withanolides from Physalis peruviana. Phytochemistry, 50, 647-651, 1999.

  77. E. Anis, G. Mustafa, S. Ahmed, N. Ullah, A. Malik*, N. Afza, Y. Badar. Sterols and sterol glycosides from Cuscuta reflexa. Nat. Prod. Sci., 5, 124-126, 1999.

  78. N. Ullah, S. Ahmed, A. Malik*. A dicoumarin glycoside from Daphne oleoides. Phytochemistry, 51, 99-101, 1999.

  79. E. Anis, G. Mustafa, N. Ullah, A. Malik*, N. Afza, Y. Badar. Phytochemical Studies on Cuscuta reflexa. Pakistan J. Sci. Ind. Res., 42, 170-172, 1999.

  80. N. Ullah, Z. Ahmed, S. Ahmed, P. Mohammed, A. Malik*. Dimeric guaianolides from Daphne oleoides. Phytochemistry, 51, 559-562, 1999.

  81. P. Mohammed, S. Ahmed, H. R. Nawaz, N. Ullah, A. Malik*. New monoterpene glycosides from Paeonia emodi. Z. Naturforsch. B, 54b, 544-548, 1999.

  82. N. Ullah, S. Ahmad, A. Malik*. Phenylpropanoid glycoside from Daphne oleoides. Chem. Pharm. Bull., 47, 114-115, 1999.

  83. N. Ullah, S. Ahmed, P. Mohammed, H. R. Nawaz, A. Malik*. Chemical constituents of Daphne oleoides. Fitoterapia, 70, 214-215, 1999.

  84. E. Anis, Z. Ahmed, G. Mustafa, N. Ullah, R. Z. Nadeem, A. Malik*, N. Afza. Long Chain Esters of Olean series from Cascuta reflexa. Fitoterapia, LXIX, 474-475, 1998.

  85. N. Ullah, Z. Ahmed, E. Anis, A. Malik*. Phytochemical investigation of Daphne oleoides. Fitoterapia, LXIX, 280, 1998.

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