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Details

Stereochemistry ABSOLUTE
Molecular Formula C32H44N2O8.BrH
Molecular Weight 665.612
Optical Activity UNSPECIFIED
Defined Stereocenters 12 / 12
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of LAPPACONITINE HYDROBROMIDE

SMILES

Br.[H][C@@]12C[C@H]3[C@H](OC)[C@]1(O)[C@](O)(C[C@@H]3OC)[C@H]4C[C@H]5[C@@]26[C@H](CC[C@]5(CN(CC)[C@]46[H])OC(=O)C7=C(NC(C)=O)C=CC=C7)OC

InChI

InChIKey=CFFYROOPXPKMEQ-IPZKEBFRSA-N
InChI=1S/C32H44N2O8.BrH/c1-6-34-16-29(42-28(36)18-9-7-8-10-21(18)33-17(2)35)12-11-25(40-4)31-23(29)14-20(26(31)34)30(37)15-22(39-3)19-13-24(31)32(30,38)27(19)41-5;/h7-10,19-20,22-27,37-38H,6,11-16H2,1-5H3,(H,33,35);1H/t19-,20+,22+,23-,24+,25+,26-,27+,29-,30+,31+,32+;/m1./s1

HIDE SMILES / InChI

Description

Lappaconitine is an alkaloid isolated from the root of Aconltitum sinomantanum Nakai. It has a strong analgesic activity that does not involve the opioid receptor. It was shown to have class-I antiarrhythmic action and irreversibly blocks cloned human heart (hH1) channels by binding to the site 2 receptor.

CNS Activity

Originator

Approval Year

Targets

Primary TargetPharmacologyConditionPotency
6.13 µM [IC50]
14.1 µM [IC50]

Conditions

ConditionModalityTargetsHighest PhaseProduct
Primary
Unknown
Primary
Unknown
Palliative
Unknown
Primary
ALLAPININ
Primary
ALLAPININ
Primary
ALLAPININ
Primary
ALLAPININ
Primary
ALLAPININ

PubMed

Sample Use Guides

In Vivo Use Guide
Lappaconitine (8 mg) was intravenously dripped to patients in the lappaconitine group 30 min before ending the operation. PCIA started as soon as the end of the surgery and the total dose of lappaconitine was 36 mg.
Route of Administration: Intravenous
In Vitro Use Guide
Right isolated guinea-pig atria became bradycardic at 3 uM lappaconitine, and at 4.5 uM one of six right atria ceased contracting. Asystolia was also observed in left atria at concentrations about 600 nM, but all of the asystolic atria resumed contraction as the stimulation current was increased, indicating an elevation of the excitation threshold.