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1

Evaluation of antimicrobial potential of endophytic fungi associated with healthy plants and characterization of compounds produced by endophytic Cephalosporium and Fusarium solani

Farhat, Hafiza, Urooj, Faizah, Tariq, Amna, Sultana, Viqar, Ansari, Madeeha, Ahmad, Viqar Uddin, Ehteshamul-Haque, Syed

Journal:

Biocatalysis and Agricultural Biotechnology

Year:

2019

File:

PDF, 714 KB

2019

2

Separation and identification of a new saponin from the flowers of Guaiacum officinale L.

Saba, Nikhat, Ahmad, Viqar Uddin, Ali, Zulfiqar, Khan, Khalid Mohammed

Journal:

Natural Product Research

Year:

2010

Language:

english

File:

PDF, 188 KB

english, 2010

3

Eight New Diterpenoids from Euphorbia decipiens

Muhammad Zahid, Syed Raziullah Husani, Muhammad Abbas, Yuanjiang Pan, Amir Reza Jassbi, Muhammad Asim, Masood Parvez, Wolfgang Voelter, Viqar Uddin Ahmad

Journal:

Helvetica Chimica Acta

Year:

2001

Language:

english

File:

PDF, 153 KB

english, 2001

4

Stereoselective Synthesis of Thiochroman-4-ones by Ring Transformation of Chiral 5-Ylidene-1,3-dioxan-4-ones with 2-Bromothiophenol via Bromo−Lithium Exchange

Akbar Ali, Viqar Uddin Ahmad, Jürgen Liebscher

Journal:

European Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 337 KB

english, 2001

5

Epimers from the leaves of Calophyllum inophyllum

Muhammad Shaiq Ali, Shaukat Mahmud, Shaista Perveen, Viqar Uddin Ahmad, Ghazala Hafeez Rizwani

Journal:

Year:

1999

Language:

english

File:

PDF, 142 KB

english, 1999

6

The isolation, purification and biological activity of a novel antibacterial compound produced by Pseudomonas stutzeri

Bushra Uzair, Nuzhat Ahmed, Viqar Uddin Ahmad, Faryal Vali Mohammad, David H. Edwards

Journal:

FEMS Microbiology Letters

Year:

2008

Language:

english

File:

PDF, 423 KB

english, 2008

7

Capparisinine, a New Alkaloid from Capparis decidua

Viqar Uddin Ahmad, Shoib Arif, Aziz-Ur-Rahman Amber, Kaniz Fizza

Journal:

European Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 176 KB

english, 1987

8

Biotransformation of monoterpenoids and their antimicrobial activities

Bhatti, Haq Nawaz, Khan, Saleha Suleman, Khan, Ajmal, Rani, Mubeen, Ahmad, Viqar Uddin, Choudhary, Muhammad Iqbal

Journal:

Year:

2014

Language:

english

File:

PDF, 5.29 MB

english, 2014

9

A bidesmosidic hederagenin hexasaccharide from the roots of Symphytum officinale

Faryal Vali Mohammad, Mushtaq Noorwala, Viqar Uddin Ahmad, Bilge Sener

Journal:

Year:

1995

Language:

english

File:

PDF, 488 KB

english, 1995

10

A bidesmosidic triterpene glycoside from the roots of Symphytum officinale

Mushtaq Noorwala, Faryal Vali Mohammad, Viqar Uddin Ahmad, Bilge Sener

Journal:

Year:

1994

Language:

english

File:

PDF, 511 KB

english, 1994

11

Chemical Analysis and Calcium Channel Blocking Activity of the Essential Oil of Perovskia abrotanoides

Shah, Abdul Jabbar, Rasheed, Munawwer, Jabeen, Qaiser, Ahmed, Amir, Tareen, Rasool Bakhsh, Gilani, Anwarul Hassan, Nadir, Muhammad, Ahmad, Viqar Uddin

Journal:

Natural Product Communications

Year:

2013

File:

PDF, 259 KB

2013

12

Phenolic glycosides from Symplocos racemosa: natural inhibitors of phosphodiesterase I

Viqar Uddin Ahmad, Muhammad Athar Abbasi, Hidayat Hussain, Muhammad Nadeem Akhtar, Umar Farooq, Naheed Fatima, M.Iqbal Choudhary

Journal:

Year:

2003

Language:

english

File:

PDF, 152 KB

english, 2003

13

Guaianin, a New Saponin from Guaiacum offcinale

Ahmad, Viqar Uddin, Bano, Nasreen, Bano, Shaheen, Fatima, Ayjaz, Kenne, Lenart

Journal:

Journal of Natural Products

Year:

1986

Language:

english

File:

PDF, 229 KB

english, 1986

14

Diterpene Fatty Acid Ester from Leucas nutans

Hasan, Mashooda, Burdi, Dadu Khan, Ahmad, Viqar Uddin

Journal:

Journal of Natural Products

Year:

1991

Language:

english

File:

PDF, 201 KB

english, 1991

15

A New Triterpenoidal Saponin from the Bark of Guaiacum officinale L.

Ahmad, Viqar Uddin, Saba, Nikhat, Ali, Zulfiqar, Zahid, Muhammad, Alam, Naseer

Journal:

Zeitschrift für Naturforschung B

Year:

2000

Language:

english

File:

PDF, 3.48 MB

english, 2000

16

Isolation of two new saponins, guaianin D and E from the bark of Guaiacum Officinale.

Viqar Uddin Ahmad, Nasreen Bano, Iqbal Fatima, Shaheen Bano

Journal:

Year:

1988

Language:

english

File:

PDF, 361 KB

english, 1988

17

Spectroscopic Data of Steroid Glycosides: Stigmastanes, Furostanes, Spirtostanes || Lilium Candidum Saponin 6

Ahmad, Viqar Uddin, Basha, Anwer

Year:

2006

File:

PDF, 68 KB

2006

18

Chemical Analysis and Calcium Channel Blocking Activity of the Essential Oil of Perovskia abrotanoides

Shah, Abdul Jabbar, Rasheed, Munawwer, Jabeen, Qaiser, Ahmed, Amir, Tareen, Rasool Bakhsh, Gilani, Anwarul Hassan, Nadir, Muhammad, Ahmad, Viqar Uddin

Journal:

Natural Product Communications

Year:

2013

Language:

english

File:

PDF, 259 KB

english, 2013

19

A New Triterpene Glycoside from the Roots of Symphytum officinale

Ahmad, Viqar Uddin, Noorwala, Mushtaq, Mohammad, Faryal Vali, Sener, Bilge

Journal:

Journal of Natural Products

Year:

1993

Language:

english

File:

PDF, 410 KB

english, 1993

20

Triterpenoid saponin from the bark of Guaiacum Officinale L.

Ahmad, Viqar Uddin, Saba, Nikhat, Khan, Khalid Mohammed

Journal:

Natural Product Research

Year:

2004

Language:

english

File:

PDF, 124 KB

english, 2004

21

A saponin from the stem bark of Guaiacum officinale

Viqar Uddin Ahmad, Nasreen Bano, Bano Shaheen

Journal:

Year:

1986

Language:

english

File:

PDF, 179 KB

english, 1986

22

Two New Saponins from Zygophyllum atriplicoides

Ahmad, Viqar Uddin, Iqbal, Shazia, Kousar, Farzana, Bader, Sadia, Arshad, Saima, Tareen, Rasool Bakhsh

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2005

Language:

english

File:

PDF, 122 KB

english, 2005

23

Isolation and Structure Elucidation of Saponins from the Fruit of Guaiacum officinale

Ahmad, Viqar Uddin, Uddin, Shafi, Bano, Shaheen

Journal:

Journal of Natural Products

Year:

1990

Language:

english

File:

PDF, 632 KB

english, 1990

24

New Diterpenoids from Euphorbia teheranica

Ahmad, Viqar Uddin, Jassbi, Amir Reza

Journal:

Journal of Natural Products

Year:

1999

Language:

english

File:

PDF, 41 KB

english, 1999

25

Symphytoxide A, A triterpenoid saponin from the roots of Symphytum officinale

Viqar Uddin Ahmad, Mushtaq Noorwala, Faryal Vali Mohammad, Bilge Sener, Anwar-ul-Hassan Gilan, Khalid Aftab

Journal:

Year:

1993

Language:

english

File:

PDF, 453 KB

english, 1993

26

A terpenoid diketone from the leaves of Prosopis juliflora

Viqar Uddin Ahmad, Azra Sultana

Journal:

Year:

1989

Language:

english

File:

PDF, 218 KB

english, 1989

27

l(—)-4-Hydroxypipecolic acid from peganum harmala

Viqar Uddin Ahmad, Mohammad Ataullah Khan

Journal:

Year:

1971

Language:

english

File:

PDF, 75 KB

english, 1971

28

Officigenin, a New Sapogenin of Guaiacum officinale

Ahmad, Viqar Uddin, Bano, Nasreen, Bano, Shaheen

Journal:

Journal of Natural Products

Year:

1984

Language:

english

File:

PDF, 418 KB

english, 1984

29

Chemical constituents of Scutellaria linearis

Hidayat Hussain, Viqar Uddin Ahmad, Saeed Anwar, Ghulam Abbas Miana, Karsten Krohn

Journal:

Biochemical Systematics and Ecology

Year:

2008

Language:

english

File:

PDF, 137 KB

english, 2008

30

Antinociceptive diterpene from Euphorbia decipiens

Viqar Uddin Ahmad, Hidayat Hussain, Ishfaq A. Bukhari, Javid Hussain, Amir Reza Jassbi, Ahsana Dar

Journal:

Year:

2005

Language:

english

File:

PDF, 62 KB

english, 2005

31

A New Prosapogenin from Guaiacum officinale

Ahmad, Viqar Uddin, Bano, Nasreen, Bano, Shaheen, Smith, David L., Yazdanparast, Razieh

Journal:

Journal of Natural Products

Year:

1985

Language:

english

File:

PDF, 135 KB

english, 1985

32

Negative ion fab mass spectroscopy of some Ribose Alkylated 5′-ump derivatives

Azhar*, Kaniz Fizza, Qudrat-E-Khuda, M., Khan, Khursheed Alam, Ahmad, Viqar Uddin

Journal:

Natural Product Research

Year:

2004

Language:

english

File:

PDF, 98 KB

english, 2004

33

Saponins from Zygophyllum propinquum

Ahmad, Viqar Uddin, Ghazala, , Uddin, Shafi, Bano, Shaheen

Journal:

Journal of Natural Products

Year:

1990

Language:

english

File:

PDF, 373 KB

english, 1990

34

Chemical composition, antioxidant and antimicrobial potential of essential oils from different parts of Daphne mucronata Royle

Ashraf, Iqra, Zubair, Muhammad, Rizwan, Komal, Rasool, Nasir, Jamil, Muhammad, Khan, Shakeel Ahmad, Tareen, Rasool Bakhsh, Ahmad, Viqar Uddin, Mahmood, Abid, Riaz, Muhammad, Zia-Ul-Haq, M., Jaafar, Ha

Journal:

Chemistry Central Journal

Year:

2018

Language:

english

File:

PDF, 1.27 MB

english, 2018

35

Two new diterpene polyesters from Euphorbia decipiens

Ahmad, Viqar Uddin, Hussain, Javid, Hussain, Hidayat, Farmanullah, Umar Farooq, Lodhi, M. Arif, Choudhary, M. Iqbal

Journal:

Natural Product Research

Year:

2005

Language:

english

File:

PDF, 134 KB

english, 2005

36

Spectroscopic Data of Steroid Glycosides: Cholestanes, Ergostanes, Withanolides, Stigmastane || Stigmasterol 3-O-β-D-Glucopyranoside

Ahmad, Viqar Uddin, Basha, Anwer

Year:

2007

File:

PDF, 63 KB

2007

37

Urease inhibitory activity of ursane type sulfated saponins from the aerial parts of Zygophyllum fabago Linn

Khan, Saleha Suleman, Khan, Ajmal, Khan, Afsar, Wadood, Abdul, Farooq, Umar, Ahmed, Amir, Zahoor, Aqib, Ahmad, Viqar Uddin, Sener, Bilge, Erdemoglu, Nurgun

Journal:

Year:

2014

Language:

english

File:

PDF, 558 KB

english, 2014

38

Diversonol and Blennolide Derivatives from the Endophytic Fungus Microdiplodia sp.: Absolute Configuration of Diversonol

Siddiqui, Imran Nafees, Zahoor, Aqib, Hussain, Hidayat, Ahmed, Ishtiaq, Ahmad, Viqar Uddin, Padula, Daniele, Draeger, Siegfried, Schulz, Barbara, Meier, Kathrin, Steinert, Michael, Kurtán, Tibor, Flo

Journal:

Journal of Natural Products

Year:

2011

Language:

english

File:

PDF, 1.75 MB

english, 2011

39

Constituents of the essential oil of Perovskia atriplicifolia Benth.

Amir Reza Jassbi, Viqar Uddin Ahmad, Rasool Bakhsh Tareen

Journal:

Flavour and Fragrance Journal

Year:

1999

Language:

english

File:

PDF, 78 KB

english, 1999

40

ChemInform Abstract: Zatatriol: A New Aromatic Constituent from Zataria multiflora.

Muhammad Shaiq Ali, Muhammad Saleem, Viqar Uddin Ahmad

Journal:

Year:

1999

File:

PDF, 24 KB

1999

41

Benzoic acid derivatives from Stocksia brahuica

Zulfiqar Ali, Viqar Uddin Ahmad, Muhammad Zahid, Rasool Bakhsh Tareen

Journal:

Year:

1998

Language:

english

File:

PDF, 161 KB

english, 1998

42

Three new diterpene esters from Euphorbia decipiens

Viqar Uddin Ahmad, Amir Reza Jassbi, Masood Parvez

Journal:

Year:

1998

Language:

english

File:

PDF, 522 KB

english, 1998

43

Studies on the chemical composition and possible mechanisms underlying the antispasmodic and bronchodilatory activities of the essential oil ofArtemisia maritimaL.

Abdul Jabbar Shah, Anwarul-Hassan Gilani, Kanza Abbas, Munawwer Rasheed, Amir Ahmed, Viqar Uddin Ahmad

Journal:

Archives of Pharmacal Research

Year:

2011

Language:

english

File:

PDF, 1.25 MB

english, 2011

44

13C-NMR of Natural Products || Trichothecene

Atta-ur-Rahman,, Ahmad, Viqar Uddin

Year:

1992

Language:

english

File:

PDF, 3.03 MB

english, 1992

45

13C-NMR of Natural Products || Salvialane

Atta-ur-Rahman,, Ahmad, Viqar Uddin

Year:

1992

Language:

english

File:

PDF, 461 KB

english, 1992

46

13C-NMR of Natural Products || Drimane

Atta-ur-Rahman,, Ahmad, Viqar Uddin

Year:

1992

File:

PDF, 1.87 MB

1992

47

13C-NMR of Natural Products || Capnellane

Atta-ur-Rahman,, Ahmad, Viqar Uddin

Year:

1992

File:

PDF, 598 KB

1992

48

13C-NMR of Natural Products || Furodysane

Atta-ur-Rahman,, Ahmad, Viqar Uddin

Year:

1992

Language:

english

File:

PDF, 709 KB

english, 1992

49

New Antifungal Bithienylacetylenes from Blumea obliqua

Ahmad, Viqar Uddin, Alam, Naseer

Journal:

Journal of Natural Products

Year:

1995

Language:

english

File:

PDF, 291 KB

english, 1995

50

Lipoxygenase inhibiting ethyl substituted glycoside from Symplocos racemosa

Abbasi †, Muhammad Athar, Ahmad, Viqar Uddin, Zubair, Muhammad, Nawaz, Sarfraz A., Lodhi, Muhammad Arif, Farooq, Umar, Choudhary, M. Iqbal

Journal:

Natural Product Research

Year:

2005

Language:

english

File:

PDF, 146 KB

english, 2005

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