875313-64-7

875313-64-7 structure

Name: Dimethyl lithospermate B
Chemical Name: (2R)-3-(3,4-Dihydroxyphenyl)-1-methoxy-1-oxo-2-propanyl (2R,3R)-2-(3,4-dihydroxyphenyl)-4-[(1E)-3-{[(2R)-3-(3,4-dihydroxyphenyl)-1-methoxy-1-oxo-2-propanyl]oxy}-3-oxo-1-propen-1-yl]-7-hydroxy-2,3-dihydro-1-benzofuran-3-carboxylate
CAS Number: 875313-64-7
Molecular Formula: C₃₈H₃₄O₁₆
Molecular Weight: 746.667
Catalog: Signaling Pathways Membrane Transporter/Ion Channel Sodium Channel
Create Date: 2018-05-30 08:00:00
Modify Date: 2025-09-11 19:13:16
Dimethyl lithospermate B (dmLSB) is a selective Na+ channel agonist. Dimethyl lithospermate B slows inactivation of sodium current (INa), leading to increased inward current during the early phases of the action potential (AP)[1][2].

Name	(2R)-3-(3,4-Dihydroxyphenyl)-1-methoxy-1-oxo-2-propanyl (2R,3R)-2-(3,4-dihydroxyphenyl)-4-[(1E)-3-{[(2R)-3-(3,4-dihydroxyphenyl)-1-methoxy-1-oxo-2-propanyl]oxy}-3-oxo-1-propen-1-yl]-7-hydroxy-2,3-dihydro-1-benzofuran-3-carboxylate
Synonyms	3-Benzofurancarboxylic acid, 2-(3,4-dihydroxyphenyl)-4-[(1E)-3-[(1R)-1-[(3,4-dihydroxyphenyl)methyl]-2-methoxy-2-oxoethoxy]-3-oxo-1-propen-1-yl]-2,3-dihydro-7-hydroxy-, (1R)-1-[(3,4-dihydroxyphenyl)methyl]-2-methoxy-2-oxoethyl ester, (2R,3R)- (2R)-3-(3,4-Dihydroxyphenyl)-1-methoxy-1-oxo-2-propanyl (2R,3R)-2-(3,4-dihydroxyphenyl)-4-[(1E)-3-{[(2R)-3-(3,4-dihydroxyphenyl)-1-methoxy-1-oxo-2-propanyl]oxy}-3-oxo-1-propen-1-yl]-7-hydroxy-2,3-dihydro-1-benzofuran-3-carboxylate Dimethyl lithospermate B

Description	Dimethyl lithospermate B (dmLSB) is a selective Na+ channel agonist. Dimethyl lithospermate B slows inactivation of sodium current (INa), leading to increased inward current during the early phases of the action potential (AP)[1][2].
Related Catalog	Signaling Pathways >> Membrane Transporter/Ion Channel >> Sodium Channel Research Areas >> Cardiovascular Disease
Target	Na+ channel[1]
References	[1]. Fish JM, et al. Dimethyl lithospermate B, an extract of Danshen, suppresses arrhythmogenesis associated with the Brugada syndrome. Circulation. 2006 Mar 21;113(11):1393-400. [2]. Yoon JY, et al. A novel Na+ channel agonist, dimethyl lithospermate B, slows Na+ current inactivation and increases action potential duration in isolated rat ventricular myocytes. Br J Pharmacol. 2004 Nov;143(6):765-73.