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2D Structure
Also known as: 3286-46-2, Bisibuthiamine, Sulbutiamine [inn], Vitaberin, Thiamine disulfide o,o-diisobutyrate, 42ncm1bw43
Molecular Formula
C32H46N8O6S2
Molecular Weight
702.9  g/mol
InChI Key
CKHJPWQVLKHBIH-GPAWKIAZSA-N
FDA UNII
42NCM1BW43

Sulbutiamine is a synthetic derivative of thiamine (vitamin B1) under the market name Arcalion that is composed of two modified thiamine molecules to form a dimer. It is highly lipophilic, allowing it to cross the blood-brain barrier more easily than other thiamine derivatives. Although its clinical efficacy is not yet defined, sulbutiamine is used to treat asthenia. While its other uses include improvement of erectile dysfunction and reduction of psycho-behavioural inhibition, sulbutiamine showed evidence of modulatory effect on dopaminergic and glutamatergic cortical transmissions. The chronic administration of the drug has demonstrated to improve long term memory formation in mice.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
[(E)-4-[(4-amino-2-methylpyrimidin-5-yl)methyl-formylamino]-3-[[(E)-2-[(4-amino-2-methylpyrimidin-5-yl)methyl-formylamino]-5-(2-methylpropanoyloxy)pent-2-en-3-yl]disulfanyl]pent-3-enyl] 2-methylpropanoate
2.1.2 InChI
InChI=1S/C32H46N8O6S2/c1-19(2)31(43)45-11-9-27(21(5)39(17-41)15-25-13-35-23(7)37-29(25)33)47-48-28(10-12-46-32(44)20(3)4)22(6)40(18-42)16-26-14-36-24(8)38-30(26)34/h13-14,17-20H,9-12,15-16H2,1-8H3,(H2,33,35,37)(H2,34,36,38)/b27-21+,28-22+
2.1.3 InChI Key
CKHJPWQVLKHBIH-GPAWKIAZSA-N
2.1.4 Canonical SMILES
CC1=NC=C(C(=N1)N)CN(C=O)C(=C(CCOC(=O)C(C)C)SSC(=C(C)N(CC2=CN=C(N=C2N)C)C=O)CCOC(=O)C(C)C)C
2.1.5 Isomeric SMILES
CC1=NC=C(C(=N1)N)CN(/C(=C(/SS/C(=C(/N(C=O)CC2=CN=C(N=C2N)C)\C)/CCOC(=O)C(C)C)\CCOC(=O)C(C)C)/C)C=O
2.2 Other Identifiers
2.2.1 UNII
42NCM1BW43
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 2-isobutyrylthiamine Disulfide

2. Arcalion

3. Bis(2-(isobutyryloxy)ethyl-1-n-((4-amino-2-methylpyrimidin-5-yl)methyl)formamido-2-propene-1-yl)disulfide

4. Enerion

5. S 5007

6. Sulbuthiamine

7. Sulbutiamin

8. Surmenalit

2.3.2 Depositor-Supplied Synonyms

1. 3286-46-2

2. Bisibuthiamine

3. Sulbutiamine [inn]

4. Vitaberin

5. Thiamine Disulfide O,o-diisobutyrate

6. 42ncm1bw43

7. Chebi:31290

8. O-isobutyroylthiamine Disulfide

9. Propanoic Acid, 2-methyl-,dithiobis[3-[1-[[(4-amino-2-methyl-5-pyrimidinyl)methyl]formylamino]ethylidene]-3,1-propanediyl] Ester

10. Bisibutiamin

11. Arcalion

12. Youvitan

13. N,n'-(dithiobis(2-(2-hydroxyethyl)-1-methylvinylene))bis(n-((4-amino-2-methyl-5-pyrimidinyl)methyl)formamide) Diisobutyrate (ester)

14. Sulbutiamina

15. Sulbutiaminum

16. Sulbutiaminum [inn-latin]

17. Sulbutiamina [inn-spanish]

18. (3e,3'e)-disulfanediylbis(4-(n-((4-amino-2-methylpyrimidin-5-yl)methyl)formamido)pent-3-ene-3,1-diyl) Bis(2-methylpropanoate)

19. Propanoic Acid, 2-methyl-, Dithiobis(3-(1-(((4-amino-2-methyl-5-pyrimidinyl)methyl)formylamino)ethylidene)-3,1-propanediyl) Ester

20. Bisibuthiamine [jan]

21. O,o'-diisobutyrylthiamine Disulfide

22. Einecs 221-937-3

23. Brn 0741531

24. Unii-42ncm1bw43

25. Propanoic Acid, 2-methyl-, Dithiobis[3-[1-[[(4-amino-2-methyl-5-pyrimidinyl)methyl]formylamino]ethylidene]-3,1-propanediyl] Ester

26. Sulbutiamine [vandf]

27. Sulbutiamine [mart.]

28. 5-25-12-00169 (beilstein Handbook Reference)

29. Bis(1-(2-isobutyryloxyethyl)-2-(n-((4-amino-2-methyl-5-pyrimidinyl)methyl)formamido)-1-propenyl)disulfid

30. Bis(1-(4-amino-2-methyl-5-pyrimidinyl)-2-formyl-3,9-dimethyl-8-oxo-2-aza-7-oxa-3-decen-4-yl)disulfid

31. Sulbutiamine [who-dd]

32. Schembl1651347

33. Chembl1874002

34. Schembl20561698

35. Zinc72135087

36. Akos015994746

37. Db13416

38. Ks-1287

39. [(e)-4-[(4-amino-2-methyl-pyrimidin-5-yl)methyl-formyl-amino]-3-[[(e)-2-[(4-amino-2-methyl-pyrimidin-5-yl)methyl-formyl-amino]-1-[2-(2-methylpropanoyloxy)ethyl]prop-1-enyl]disulfanyl]pent-3-enyl] 2-methylpropanoate

40. Formamide, N,n'-(dithiobis(2-(2-hydroxyethyl)-1-methylvinylene))bis(n-((4-amino-2-methyl-5-pyrimidinyl)methyl)-, Diisobutyrate (ester)

41. 286s462

42. Sr-01000945276

43. Thiamine Disulfide O,o-diisobutyrate [mi]

44. Q2581447

45. Sr-01000945276-1

46. F0001-2410

2.4 Create Date
2005-06-24
3 Chemical and Physical Properties
Molecular Weight 702.9 g/mol
Molecular Formula C32H46N8O6S2
XLogP32.7
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count14
Rotatable Bond Count19
Exact Mass702.29817356 g/mol
Monoisotopic Mass702.29817356 g/mol
Topological Polar Surface Area247 Ų
Heavy Atom Count48
Formal Charge0
Complexity1050
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count2
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 ATC Code

A - Alimentary tract and metabolism

A11 - Vitamins

A11D - Vitamin b1, plain and in combination with vitamin b6 and b12

A11DA - Vitamin b1, plain

A11DA02 - Sulbutiamine