Burimamide

Burimamide is an antagonist at the H₂ and H₃ histamine receptors. At physiological pH, it is largely inactive as an H₂ antagonist,^[1] but its H₃ affinity is 100x higher. It is a thiourea derivative.

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Burimamide

Names
IUPAC name 1-[4-(1H-imidazol-5-yl)butyl]-3-methylthiourea
Identifiers
CAS Number	34970-69-9 Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL12160 Y
ChemSpider	2297780 Y
KEGG	C07448 Y
PubChem CID	3032915
UNII	TN5A4OD2TV Y
CompTox Dashboard (EPA)	DTXSID00188519
InChI InChI=1S/C9H16N4S/c1-10-9(14)12-5-3-2-4-8-6-11-7-13-8/h6-7H,2-5H2,1H3,(H,11,13)(H2,10,12,14) Y Key: HXRBAVXGYZUSED-UHFFFAOYSA-N Y InChI=1/C9H16N4S/c1-10-9(14)12-5-3-2-4-8-6-11-7-13-8/h6-7H,2-5H2,1H3,(H,11,13)(H2,10,12,14) Key: HXRBAVXGYZUSED-UHFFFAOYAJ
SMILES CNC(=S)NCCCCc1c[nH]cn1
Properties
Chemical formula	C9H16N4S
Molar mass	212.32 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

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Burimamide was first developed by scientists at Smith, Kline & French (SK&F; now GlaxoSmithKline) in their intent to develop a histamine antagonist for the treatment of peptic ulcers.^[2] The discovery of burimamide ultimately led to the development of cimetidine (Tagamet).^[2]