Meldrum, B. S. published the article 《Convulsive effects of 4-deoxypyridoxine in photosensitive baboons》. Keywords: photosensitivity deoxypyridoxine convulsion; myoclonus deoxypyridoxine.They researched the compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride( cas:148-51-6 ).Recommanded Product: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:148-51-6) here.
In baboons (Papio papio) which when exposed to intermittent light stimulation (ILS) showed myoclonus and electroencephalographic signs of epilepsy, deoxypyridoxine-HCl (I) (10-20 mg/kg, i.v.) did not modify the responses, while 15 min-2 hr after 40-60 mg I/kg, the myoclonic responses to ILS were enhanced. Animals normally giving transient myoclonic responses showed rhythmic myoclonus of the eyelids and face continuing for several sec after the end of ILS. In 4 out of 6 baboons after 80-100 mg I/kg this self-sustaining myoclonus developed into a full tonic-clonic seizure at least once 45-180 min after the drug injection. The injection of 105-150 mg I/kg not only enhanced myoclonic responses to ILS but also led to the appearance after 46-67 min of spontaneous seizures. These recurred every 10-15 min, were often only partial, and commonly originated in, and were sometimes confined to, the occipital cortex. An excess of pyridoxine, given i.v. a few minutes before and after the I, blocked both the enhancement of photosensitivity produced by 100 mg I/kg and spontaneous seizures produced by 150 mg/kg. I may produce these convulsive effects by interfering with the formation or action of pyridoxal phosphate.
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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia