Varacin

Names
Preferred IUPAC name

2-(8,9-Dimethoxy-1,2,3,4,5-benzopentathiepin-6-yl)ethan-1-amine

Identifiers

CAS Number

* 134029-48-4 Y

3D model (JSmol)

* Interactive image

ChEMBL |

* ChEMBL151233 N

ChemSpider |

* 156044 N

PubChem CID

* 179269

CompTox Dashboard (EPA)

* DTXSID10158465

InChI

* InChI=1S/C10H13NO2S5/c1-12-7-5-6(3-4-11)9-10(8(7)13-2)15-17-18-16-14-9/h5H,3-4,11H2,1-2H3 N

Key: HIKCOAGMCNIBMP-UHFFFAOYSA-N N

* InChI=1/C10H13NO2S5/c1-12-7-5-6(3-4-11)9-10(8(7)13-2)15-17-18-16-14-9/h5H,3-4,11H2,1-2H3

Key: HIKCOAGMCNIBMP-UHFFFAOYAP

SMILES

* NCCc2cc(OC)c(OC)c1SSSSSc12

Properties

Chemical formula

| C10H13NO2S5
Molar mass | 339.540 g/mol

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)

Infobox references

Chemical compound

Varacin is a bicyclic organosulfur compound originally found in marine Ascidiacea from the Polycitor genus.[1] It contains an unusual pentathiepin ring which reacts with DNA, and varacin and synthetic analogues have been investigated for their antimicrobial and antitumour properties.[2][3] Because of its potent biological activity and unusual and challenging ring system, it has been a popular target of efforts toward its total synthesis.[4][5][6]

## References[edit]

1. ^ Makarieva TN, Stonik VA, Dmitrenok AS, Grebnev BB, Isakov VV, Rebachyk NM, Rashkes YW (February 1995). "Varacin and three new marine antimicrobial polysulfides from the far-eastern ascidian Polycitor sp". Journal of Natural Products. 58 (2): 254–8. doi:10.1021/np50116a015. PMID 7769392.
2. ^ Greer A (October 2001). "On the origin of cytotoxicity of the natural product varacin. A novel example of a pentathiepin reaction that provides evidence for a triatomic sulfur intermediate". Journal of the American Chemical Society. 123 (42): 10379–86. doi:10.1021/ja016495p. PMID 11603989.
3. ^ Brzostowska EM, Greer A (January 2003). "The role of amine in the mechanism of pentathiepin (polysulfur) antitumor agents". Journal of the American Chemical Society. 125 (2): 396–404. doi:10.1021/ja027416s. PMID 12517151.
4. ^ Behar V, Danishefsky SJ (1993-07-01). "Total synthesis of the novel benzopentathiepin varacinium trifluoroacetate: the viability of "varacin-free base"". Journal of the American Chemical Society. 115 (15): 7017–7018. doi:10.1021/ja00068a087. ISSN 0002-7863.
5. ^ Ford PW, Narbut MR, Belli J, Davidson BS (1994-10-01). "Synthesis and Structural Properties of the Benzopentathiepins Varacin and Isolissoclinotoxin A". The Journal of Organic Chemistry. 59 (20): 5955–5960. doi:10.1021/jo00099a026. ISSN 0022-3263.
6. ^ Toste FD, Still IW (1995-07-01). "A New Route to the Synthesis of the Naturally Occurring Benzopentathiepin Varacin". Journal of the American Chemical Society. 117 (27): 7261–7262. doi:10.1021/ja00132a033.

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