A novel difluoro amino acid was synthesized and incorporated into a growth hormone secretagogue, maintaining receptor activity while potentially improving metabolic stability — advancing peptide drug design through unnatural amino acids.
Key findingA novel difluorophenylalanine analog was incorporated into GHRP, maintaining GHS-R activity while introducing fluorine-mediated metabolic stability im
What the researchers found
A novel difluorophenylalanine analog was incorporated into GHRP, maintaining GHS-R activity while introducing fluorine-mediated metabolic stability improvements — demonstrating unnatural amino acid incorporation for enhancing GH secretagogue drug properties.
Why it matters
Relevant for ghrp, peptide-design, hormone-optimization.
How the study worked
in-vitro study.
What this study cannot tell us
See abstract.
How to read the evidence
preliminary evidence.
When this study was published
Published in 2008.
The bigger picture
Advances peptide research.
Questions still open
- Further research needed.
- Clinical translation to evaluate.
Common questions
What was studied?
What was found?
Read the original research
(D)-2-tert-Butoxycarbonylamino-5,5-difluoro-5-phenyl-pentanoic acid: synthesis and incorporation into the growth hormone secretagogues.
Bioorganic & medicinal chemistry letters, 18(14), 4072-4
Citation
Li, Jun; Chen, Stephanie Y; Murphy, Brian J; Flynn, Neil; Seethala, Ramakrishna; Slusarchyk, Dorothy; Yan, Mujing; Sleph, Paul; Zhang, Hongjian; Humphreys, William G; Ewing, William R; Robl, Jeffrey A; Gordon, David; Tino, Joseph A. (2008). (D)-2-tert-Butoxycarbonylamino-5,5-difluoro-5-phenyl-pentanoic acid: synthesis and incorporation into the growth hormone secretagogues.. Bioorganic & medicinal chemistry letters, 18(14), 4072-4. https://doi.org/10.1016/j.bmcl.2008.05.100