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2D Structure
Also known as: Ergoloid mesilates, Co-dergocrine mesylate, Dihydroergotoxine mesilate, Dihydrogenated ergot alkaloids, Chembl2311030, Dihydroergotoxine methanesulfonate
Molecular Formula
C134H184N20O32S4
Molecular Weight
2715.3  g/mol
InChI Key
PBKVEOSEPXMKDN-LZHUFOCISA-N

A mixture of three different hydrogenated derivatives of ERGOTAMINE: DIHYDROERGOCORNINE; DIHYDROERGOCRISTINE; and DIHYDROERGOCRYPTINE. Dihydroergotoxine has been proposed to be a neuroprotective agent and a nootropic agent. The mechanism of its therapeutic actions is not clear, but it can act as an alpha-adrenergic antagonist and a dopamine agonist. The methanesulfonate salts of this mixture of alkaloids are called ERGOLOID MESYLATES.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(6aR,9R,10aR)-N-[(1S,2S,4R,7S)-7-benzyl-2-hydroxy-5,8-dioxo-4-propan-2-yl-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide;(6aR,9R,10aR)-N-[(1S,2S,4R,7S)-7-butan-2-yl-2-hydroxy-5,8-dioxo-4-propan-2-yl-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide;(6aR,9R,10aR)-N-[(1S,2S,4R,7S)-2-hydroxy-5,8-dioxo-4,7-di(propan-2-yl)-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide;(6aR,9R,10aR)-N-[(1S,2S,4R,7S)-2-hydroxy-7-(2-methylpropyl)-5,8-dioxo-4-propan-2-yl-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide;methanesulfonic acid
2.1.2 InChI
InChI=1S/C35H41N5O5.2C32H43N5O5.C31H41N5O5.4CH4O3S/c1-20(2)34(37-31(41)23-16-25-24-11-7-12-26-30(24)22(18-36-26)17-27(25)38(3)19-23)33(43)40-28(15-21-9-5-4-6-10-21)32(42)39-14-8-13-29(39)35(40,44)45-34;1-17(2)12-25-29(39)36-11-7-10-26(36)32(41)37(25)30(40)31(42-32,18(3)4)34-28(38)20-13-22-21-8-6-9-23-27(21)19(15-33-23)14-24(22)35(5)16-20;1-6-18(4)27-29(39)36-12-8-11-25(36)32(41)37(27)30(40)31(42-32,17(2)3)34-28(38)20-13-22-21-9-7-10-23-26(21)19(15-33-23)14-24(22)35(5)16-20;1-16(2)26-28(38)35-11-7-10-24(35)31(40)36(26)29(39)30(41-31,17(3)4)33-27(37)19-12-21-20-8-6-9-22-25(20)18(14-32-22)13-23(21)34(5)15-19;4*1-5(2,3)4/h4-7,9-12,18,20,23,25,27-29,36,44H,8,13-17,19H2,1-3H3,(H,37,41);6,8-9,15,17-18,20,22,24-26,33,41H,7,10-14,16H2,1-5H3,(H,34,38);7,9-10,15,17-18,20,22,24-25,27,33,41H,6,8,11-14,16H2,1-5H3,(H,34,38);6,8-9,14,16-17,19,21,23-24,26,32,40H,7,10-13,15H2,1-5H3,(H,33,37);4*1H3,(H,2,3,4)/t23-,25-,27-,28+,29+,34-,35+;20-,22-,24-,25+,26+,31-,32+;18?,20-,22-,24-,25+,27+,31-,32+;19-,21-,23-,24+,26+,30-,31+;;;;/m1111..../s1
2.1.3 InChI Key
PBKVEOSEPXMKDN-LZHUFOCISA-N
2.1.4 Canonical SMILES
CCC(C)C1C(=O)N2CCCC2C3(N1C(=O)C(O3)(C(C)C)NC(=O)C4CC5C(CC6=CNC7=CC=CC5=C67)N(C4)C)O.CC(C)CC1C(=O)N2CCCC2C3(N1C(=O)C(O3)(C(C)C)NC(=O)C4CC5C(CC6=CNC7=CC=CC5=C67)N(C4)C)O.CC(C)C1C(=O)N2CCCC2C3(N1C(=O)C(O3)(C(C)C)NC(=O)C4CC5C(CC6=CNC7=CC=CC5=C67)N(C4)C)O.CC(C)C1(C(=O)N2C(C(=O)N3CCCC3C2(O1)O)CC4=CC=CC=C4)NC(=O)C5CC6C(CC7=CNC8=CC=CC6=C78)N(C5)C.CS(=O)(=O)O.CS(=O)(=O)O.CS(=O)(=O)O.CS(=O)(=O)O
2.1.5 Isomeric SMILES
CCC(C)[C@H]1C(=O)N2CCC[C@H]2[C@]3(N1C(=O)[C@](O3)(C(C)C)NC(=O)[C@@H]4C[C@H]5[C@@H](CC6=CNC7=CC=CC5=C67)N(C4)C)O.CC(C)C[C@H]1C(=O)N2CCC[C@H]2[C@]3(N1C(=O)[C@](O3)(C(C)C)NC(=O)[C@@H]4C[C@H]5[C@@H](CC6=CNC7=CC=CC5=C67)N(C4)C)O.CC(C)[C@H]1C(=O)N2CCC[C@H]2[C@]3(N1C(=O)[C@](O3)(C(C)C)NC(=O)[C@@H]4C[C@H]5[C@@H](CC6=CNC7=CC=CC5=C67)N(C4)C)O.CC(C)[C@@]1(C(=O)N2[C@H](C(=O)N3CCC[C@H]3[C@@]2(O1)O)CC4=CC=CC=C4)NC(=O)[C@@H]5C[C@H]6[C@@H](CC7=CNC8=CC=CC6=C78)N(C5)C.CS(=O)(=O)O.CS(=O)(=O)O.CS(=O)(=O)O.CS(=O)(=O)O
2.2 Synonyms
2.2.1 MeSH Synonyms

1. Alkaloids, Hydrogenated Ergot

2. Co-dergocrine

3. Dihydroergotoxin

4. Dihydroergotoxine

5. Ergot Alkaloids, Hydrogenated

6. Circanol

7. Co Dergine Mesylate

8. Co Dergocrine Mesilate

9. Co Dergocrine Mesylate

10. Co-dergine Mesylate

11. Co-dergocrine Mesilate

12. Co-dergocrine Mesylate

13. Dihydroergotoxine Mesylate

14. Dihydroergotoxine Methanesulfonate

15. Dihydroergotoxine Monomethanesulfonate

16. Ergodesit

17. Ergoloid Mesylate

18. Ergoloid Mesylates

19. Ergotoxin, Dihydro-, Monomethasulfonate

20. Hydergine

21. Methanesulfonate, Dihydroergotoxine

22. Monomethanesulfonate, Dihydroergotoxine

23. Redergam

24. Redergin

25. Redergine

2.2.2 Depositor-Supplied Synonyms

1. Ergoloid Mesilates

2. Co-dergocrine Mesylate

3. Dihydroergotoxine Mesilate

4. Dihydrogenated Ergot Alkaloids

5. Chembl2311030

6. Dihydroergotoxine Methanesulfonate

2.3 Create Date
2013-09-23
3 Chemical and Physical Properties
Molecular Weight 2715.3 g/mol
Molecular Formula C134H184N20O32S4
Hydrogen Bond Donor Count16
Hydrogen Bond Acceptor Count36
Rotatable Bond Count19
Exact Mass2714.2301933 g/mol
Monoisotopic Mass2713.2268385 g/mol
Topological Polar Surface Area724 Ų
Heavy Atom Count190
Formal Charge0
Complexity4690
Isotope Atom Count0
Defined Atom Stereocenter Count28
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count8
4 Drug and Medication Information
4.1 Drug Information
1 of 2  
Drug NameErgoloid mesylates
PubMed HealthErgoloid Mesylates (By mouth)
Drug ClassesAntimigraine
Drug LabelEach tablet for oral use contains ergoloid mesylates USP; a mixture of the methanesulfonate salt of the following hydrogenated alkaloids:RDihydroergocornine-CH(CH ) 32Dihydroergocristine-CH C H 265Dihydro--ergocryptine-CH CH(CH ) 232Dihydro--ergo...
Active IngredientErgoloid mesylates
Dosage FormTablet
RouteOral
Strength1mg
Market StatusPrescription
CompanyMutual Pharm

2 of 2  
Drug NameErgoloid mesylates
PubMed HealthErgoloid Mesylates (By mouth)
Drug ClassesAntimigraine
Drug LabelEach tablet for oral use contains ergoloid mesylates USP; a mixture of the methanesulfonate salt of the following hydrogenated alkaloids:RDihydroergocornine-CH(CH ) 32Dihydroergocristine-CH C H 265Dihydro--ergocryptine-CH CH(CH ) 232Dihydro--ergo...
Active IngredientErgoloid mesylates
Dosage FormTablet
RouteOral
Strength1mg
Market StatusPrescription
CompanyMutual Pharm

5 Pharmacology and Biochemistry
5.1 MeSH Pharmacological Classification

Adrenergic alpha-Antagonists

Drugs that bind to but do not activate alpha-adrenergic receptors thereby blocking the actions of endogenous or exogenous adrenergic agonists. Adrenergic alpha-antagonists are used in the treatment of hypertension, vasospasm, peripheral vascular disease, shock, and pheochromocytoma. (See all compounds classified as Adrenergic alpha-Antagonists.)


Dopamine Agonists

Drugs that bind to and activate dopamine receptors. (See all compounds classified as Dopamine Agonists.)


Nootropic Agents

Drugs used to specifically facilitate learning or memory, particularly to prevent the cognitive deficits associated with dementias. These drugs act by a variety of mechanisms. (See all compounds classified as Nootropic Agents.)


Vasodilator Agents

Drugs used to cause dilation of the blood vessels. (See all compounds classified as Vasodilator Agents.)