Synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / Habsah Zahari
Several Betulinic acid peptides here synthesized by incorporating BA with neutral amino acids using standard coupling protocols in the presence of HoBt, HBtu and DiPEA. In addition enantiopure betulinic-acid- cyclohexene silyl ether peptides was successly synthesized in a good yield. Futher olefinic...
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my-uitm-ir.371622022-09-26T03:17:38Z Synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / Habsah Zahari 2017 Zahari, Habsah Indexes (General) Biochemistry Peptides. Amino acid sequence Several Betulinic acid peptides here synthesized by incorporating BA with neutral amino acids using standard coupling protocols in the presence of HoBt, HBtu and DiPEA. In addition enantiopure betulinic-acid- cyclohexene silyl ether peptides was successly synthesized in a good yield. Futher olefinic cleavage reaction, afforded betulinic acid -y- butylrolactone peptides, which undergoes benzylation reaction to furnish desired end product benzylated BA-y-butylrolactone product. Five new synthesized betulinic acid derivatives were tested for their in vitro cytotoxicity against human corrected carainoma cell lines ( HT116). The result of preliminary biological activities showed that three compounds betulinic acid-cyclohexene silyl ether peptides, benzylated betulinic acid-alanine peptide, and benzylated betulinic acid-y-butylrolactone peptides with more hydrosolubility compare to betulinic acid, possessed impressive cytotoxicity with the IC50 values of 50.00, 36.67, 25.33 (ug/ml) respectively 2017 Thesis https://ir.uitm.edu.my/id/eprint/37162/ https://ir.uitm.edu.my/id/eprint/37162/1/37162.pdf text en public masters Universiti Teknologi MARA (UiTM) Faculty of Applied Sciences Mohd Ali, Mohd Tajudin |
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Universiti Teknologi MARA |
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UiTM Institutional Repository |
language |
English |
advisor |
Mohd Ali, Mohd Tajudin |
topic |
Indexes (General) Biochemistry Indexes (General) |
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Indexes (General) Biochemistry Indexes (General) Zahari, Habsah Synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / Habsah Zahari |
description |
Several Betulinic acid peptides here synthesized by incorporating BA with neutral amino acids using standard coupling protocols in the presence of HoBt, HBtu and DiPEA. In addition enantiopure betulinic-acid- cyclohexene silyl ether peptides was successly synthesized in a good yield. Futher olefinic cleavage reaction, afforded betulinic acid -y- butylrolactone peptides, which undergoes benzylation reaction to furnish desired end product benzylated BA-y-butylrolactone product. Five new synthesized betulinic acid derivatives were tested for their in vitro cytotoxicity against human corrected carainoma cell lines ( HT116). The result of preliminary biological activities showed that three compounds betulinic acid-cyclohexene silyl ether peptides, benzylated betulinic acid-alanine peptide, and benzylated betulinic acid-y-butylrolactone peptides with more hydrosolubility compare to betulinic acid, possessed impressive cytotoxicity with the IC50 values of 50.00, 36.67, 25.33 (ug/ml) respectively |
format |
Thesis |
qualification_level |
Master's degree |
author |
Zahari, Habsah |
author_facet |
Zahari, Habsah |
author_sort |
Zahari, Habsah |
title |
Synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / Habsah Zahari |
title_short |
Synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / Habsah Zahari |
title_full |
Synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / Habsah Zahari |
title_fullStr |
Synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / Habsah Zahari |
title_full_unstemmed |
Synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / Habsah Zahari |
title_sort |
synthesis of peptides based on betulinic acid scaffold and betulinic-butyrolactone derivatives / habsah zahari |
granting_institution |
Universiti Teknologi MARA (UiTM) |
granting_department |
Faculty of Applied Sciences |
publishDate |
2017 |
url |
https://ir.uitm.edu.my/id/eprint/37162/1/37162.pdf |
_version_ |
1783734392330387456 |