Synthesis, screening and docking of small heterocycles as Glycogen Phosphorylase inhibitors

Stephanie S. Schweiker, Wendy A. Loughlin, Anna S. Lohning, Maria J. Petersson, Ian D. Jenkins

Research output: Contribution to journalArticleResearchpeer-review

9 Citations (Scopus)

Abstract

A series of morpholine substituted amino acids (phenylalanine, leucine, lysine and glutamic acid) was synthesized. A fragment-based screening approach was then used to evaluate a series of small heterocycles, including morpholine, oxazoline, dihydro-1,3-oxazine, tetrahydro-1,3-oxazepine, thiazoline, tetrahydro-1,3-pyrimidine, tetrahydro-1,3-diazepine and hexahydro-1H- benzimidazole, as potential inhibitors of Glycogen Phosphorylase a. Thiazoline 7 displayed an improved potency (IC50 of 25 μM) and had good LE and LELP values, as compared to heterocycles 1, 5, 9-13 and 19 (IC50 values of 1.1 mM-23.9 mM). A docking study using the crystal structure of human liver Glycogen Phosphorylase, provided insight into the interactions of heterocycles 5, 7, 9-13 and 19 with Glycogen Phosphorylase.

Original languageEnglish
Pages (from-to)584-594
Number of pages11
JournalEuropean Journal of Medicinal Chemistry
Volume84
DOIs
Publication statusPublished - 12 Sep 2014

Fingerprint

Glycogen Phosphorylase
Screening
Inhibitory Concentration 50
Oxazepines
Oxazines
Phosphorylase a
Liver Glycogen
Phenylalanine
Leucine
Lysine
Glutamic Acid
Crystal structure
Amino Acids
morpholine

Cite this

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title = "Synthesis, screening and docking of small heterocycles as Glycogen Phosphorylase inhibitors",
abstract = "A series of morpholine substituted amino acids (phenylalanine, leucine, lysine and glutamic acid) was synthesized. A fragment-based screening approach was then used to evaluate a series of small heterocycles, including morpholine, oxazoline, dihydro-1,3-oxazine, tetrahydro-1,3-oxazepine, thiazoline, tetrahydro-1,3-pyrimidine, tetrahydro-1,3-diazepine and hexahydro-1H- benzimidazole, as potential inhibitors of Glycogen Phosphorylase a. Thiazoline 7 displayed an improved potency (IC50 of 25 μM) and had good LE and LELP values, as compared to heterocycles 1, 5, 9-13 and 19 (IC50 values of 1.1 mM-23.9 mM). A docking study using the crystal structure of human liver Glycogen Phosphorylase, provided insight into the interactions of heterocycles 5, 7, 9-13 and 19 with Glycogen Phosphorylase.",
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Synthesis, screening and docking of small heterocycles as Glycogen Phosphorylase inhibitors. / Schweiker, Stephanie S.; Loughlin, Wendy A.; Lohning, Anna S.; Petersson, Maria J.; Jenkins, Ian D.

In: European Journal of Medicinal Chemistry, Vol. 84, 12.09.2014, p. 584-594.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Lohning, Anna S.

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AU - Jenkins, Ian D.

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AB - A series of morpholine substituted amino acids (phenylalanine, leucine, lysine and glutamic acid) was synthesized. A fragment-based screening approach was then used to evaluate a series of small heterocycles, including morpholine, oxazoline, dihydro-1,3-oxazine, tetrahydro-1,3-oxazepine, thiazoline, tetrahydro-1,3-pyrimidine, tetrahydro-1,3-diazepine and hexahydro-1H- benzimidazole, as potential inhibitors of Glycogen Phosphorylase a. Thiazoline 7 displayed an improved potency (IC50 of 25 μM) and had good LE and LELP values, as compared to heterocycles 1, 5, 9-13 and 19 (IC50 values of 1.1 mM-23.9 mM). A docking study using the crystal structure of human liver Glycogen Phosphorylase, provided insight into the interactions of heterocycles 5, 7, 9-13 and 19 with Glycogen Phosphorylase.

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