HSR6071

Modify Date: 2024-01-09 18:54:04

HSR6071 Structure
HSR6071 structure
Common Name HSR6071
CAS Number 111374-21-1 Molecular Weight 260.25500
Density 1.555g/cm3 Boiling Point N/A
Molecular Formula C10H12N8O Melting Point N/A
MSDS N/A Flash Point N/A

 Use of HSR6071


HSR6071 is an antiallergic agent with potential for the treatment of asthma.

 Names

Name 6-(1-Pyrrolidinyl)-N-(2H-tetrazol-5-yl)-2-pyrazinecarboxamide
Synonym More Synonyms

 HSR6071 Biological Activity

Description HSR6071 is an antiallergic agent with potential for the treatment of asthma.
Related Catalog
In Vivo HSR-6071 suppresses antigen-induced histamine and SRS-A release from minced lung tissues of guinea-pigs sensitized passively with rabbit anti-EA serum and is a more potent inhibitor of the release of SRS-A than of histamine. On the other hand, histamine- or acetylcholine-induced bronchoconstriction in guinea-pigs is scarcely affected by HSR-6071 at doses sufficient to inhibit the experimental asthma, but LTD4-induced bronchoconstriction is dramatically inhibited. HSR-6071 inhibits cyclic AMP phosphodiesterase activity and produces relaxation of the guinea-pig isolated trachea[1]. HSR-6071 inhibits the IgE-mediated histamine release with an IC50 of 0.46 nM. HSR-6071 is effective not only by i.v. but also by p.o. administration on the IgE mediated PCA in rats. The most potent inhibition with HSR-6071 is observed when it is given p.o. 5 min before the antigen challenge, indicating the rapid absorption of HSR-6071 through the gastrointestinal tract[2].
Animal Admin Rats: In order to find out the proper pre treatment time with HSR-6071, 0.03 mg/kg, i.vi or 1 mg/kg, p.o. of HSR-6071 was given at varying times before the antigen challenge[2].
References

[1]. Makino E, et al. Inhibitory effect of HSR-6071, a new anti-allergic agent, on experimental asthma in rats and guinea-pigs. J Pharm Pharmacol. 1990 Apr;42(4):236-41.

[2]. Makino E, et al. Potent inhibitory activity of HSR-6071, a new antiallergic agent, on passive cutaneousanaphylaxis (PCA). Jpn J Pharmacol. 1990 Jan;52(1):87-94.

 Chemical & Physical Properties

Density 1.555g/cm3
Molecular Formula C10H12N8O
Molecular Weight 260.25500
Exact Mass 260.11300
PSA 116.07000
LogP 0.29120
Index of Refraction 1.717
Storage condition 2-8℃

 Synonyms

6-(1-Pyrazolyl)-2-quinolone
2(1H)-Quinolinone,6-(1H-pyrazol-1-yl)
6-(1-pyrrolidinyl)-N-(1H-tetrazol-5-yl)-2-pyrazine-5-carboxamide
HSR6071
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