First Total Synthesis and Pharmacological Potential of a Plant Based Hexacyclopeptide
| Author | Rajiv Dahiya | en |
| Author | Sunil Singh | en |
| Author | Sheeba Varghese Gupta | en |
| Author | Vijaykumar B. Sutariya | en |
| Author | Deepak Bhatia | en |
| Author | Rita Mourya | en |
| Author | Suresh V. Chennupati | en |
| Author | Ajay Sharma | en |
| Issued Date | 2019-04-30 | en |
| Abstract | A new bioactive proline-rich cyclohexapeptide - diandrine C (6), previously isolated from whole plant of Drymaria diandra (Caryophyllaceae), was synthesized through coupling reactions of tetrapeptide unit Boc-Gly--Pro--Tyr--Trp-OH with dipeptide unit -Pro-Gly-OMe using N,N-diisopropylcarbodiimide (DIPC) as the coupling agent, followed by cyclization of linear hexapeptide unit under alkaline condition. Structure of cyclohexapeptide was confirmed by means of chemical, and spectroscopic analyses and also was screened for its antimicrobial and anthelmintic properties. Bioevaluation results indicated that the newly synthesized hexacyclopeptide exhibited potent antimicrobial activity against Gram-negative bacteria Pseudomonas aeruginosa, Klebsiella pneumoniae and pathogenic Candida albicans at 6 μg/mL. Moderate to good level of antihelmintic activity against three earthworm species Megascoplex konkanensis, Pontoscotex corethruses and Eudrilus eugeniae was also observed at concentration of 2 mg/mL. | en |
| DOI | https://doi.org/10.22037/ijpr.2019.1100643 | en |
| Keyword | Diandrine C | en |
| Keyword | Proline-rich cyclic peptide | en |
| Keyword | Solution-phase peptide synthesis | en |
| Keyword | Drymaria diandra | en |
| Keyword | Antimicrobial activity | en |
| Keyword | Antihelmintic activity | en |
| Publisher | Brieflands | en |
| Title | First Total Synthesis and Pharmacological Potential of a Plant Based Hexacyclopeptide | en |
| Type | Original Article | en |
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