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Proxyphylline is a methylxanthine and derivative of theophylline. Proxyphylline relaxes smooth muscles, particularly bronchial muscles. This xanthine most likely exerts its effect by inhibiting cAMP or cGMP phosphodiesterases, thereby increasing levels of the second messenger cAMP or cGMP intracellularly. Other mode of actions include an adenosine antagonistic effect on the activity of CD4 lymphocytes and mediator release from mast cells thereby decreasing lung sensitivity to allergens and other substances that cause inflammation. Proxyphylline also acts as a CNS stimulant and exerts a positive chronotropic and inotropic effect on the heart.
| Molecular Weight | 238.24 |
| Formula | C10H14N4O3 |
| CAS Number | 603-00-9 |
| Form | Solid |
| Solubility (25°C) | DMSO |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
[3] Paweł Borowiecki, et al. Chemoenzymatic Synthesis of Proxyphylline Enantiomers
| Related Adenosine Receptor Products |
|---|
| SYN115
Tozadenant (SYN115) is a novel, selective adenosine A(2A) receptor antagonist. |
| CGS 21680 hydrochloride
CGS 21680 hydrochloride is an A2A adenosine receptor agonist with an Ki of 27 nM. |
| Istradefylline
Istradefylline (KW-6002) is a potent, selective and orally active adenosine A2A receptor (A2AR) antagonist with Ki of 2.2 nM. |
| CGS 21680
CGS 21680 is a selective adenosine receptor agonist for A2A and A3 with Ki of 15 ng/mL and 37 ng/mL, respectively. |
| Norisoboldine
Norisoboldine is an isoquinoline alkaloid which acts as an AhR agonist. |
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