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Amir Hassan | OMICS International
ISSN: 2329-6836

Natural Products Chemistry & Research
Open Access

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Amir Hassan

Karachi
Pakistan
Publications

Identification of Five New Triterpenoids from Ethylacetate Bark Extract of Holoptelea integrifolia (Roxb.) Planch by GC-MS

n-hexane soluble ethylacetate extract (HIB-EA-HS) of bark of Holoptelea integrifolia (Roxb.) Planch was analyzed on GC-MS. The identified triterpinoids included: β-sitosterol (1), olean-13(18)-ene (2), betulin (3), α-amyrenone (4), stigmasta-3, 5-diene-7-one (5), stigmast-4-en-3-one (6), friedelan-3-ol (7), and citrost-7-en-3-ol (8). Trit... Read More»

Amir Hassan, Munawwer Rasheed, Mohsin Ali, Ghazala Ishrat and Mansoor Ahmed

: Nat Prod Chem Res 2018, 6: 338

DOI: 10.4172/2329-6836.1000338

Abstract Peer-reviewed Full Article Peer-reviewed Article PDF Mobile Full Article

A Triterpenoid Having Anticancer Activity Found in Stem Bark of Holoptelea integrifolia (Roxb.) Planch

Studies on the chemical constituents of the stem bark of Holoptelea integrifolia (Roxb.) Planch have led to the isolation of a triterpenoid, oleanolic acid (1), the structure of the compound was elucidated via advanced spectroscopic techniques including EI (+), IR, 1H-NMR and 13C-NMR. Oleanolic acid was isolated first time from the stem bark of H. ... Read More»

Amir Hassan, Munawwer Rasheed, Mohsin Ali, Ghazala Ishrat and Mansoor Ahmed

: Nat Prod Chem Res 2018, 6: 340

DOI: 10.4172/2329-6836.1000340

Abstract Peer-reviewed Full Article Peer-reviewed Article PDF Mobile Full Article

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