Methylxanthinei
Methylxanthinei, more commonly referred to as methylxanthines in English, denotes a class of purine alkaloids derived from xanthine. They are naturally occurring stimulants found in several plants and are also produced synthetically for medical and dietary uses. The term “Methylxanthinei” is not standard in English science literature, but may appear in some non-English texts as a plural or Latinized form of methylxanthine derivatives.
Chemistry and occurrence: Methylxanthines are methylated derivatives of xanthine, with one or more methyl groups attached
Mechanism of action: The primary pharmacological action is antagonism of adenosine receptors, especially A1 and A2A,
Applications and safety: Theophylline has historically been used as a bronchodilator in asthma and COPD, though