Arsenicin A

Arsenicin A
Structural formula of arsenicin A	Spacefill model of arsenicin A
Names
	IUPAC name 2,4,6-Trioxa-1,3,5,7-tetraarsatricyclo[3.3.1.13,7]decane
Identifiers
CAS Number	925705-41-5 ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	21430729 ;
PubChem CID	16095534;
UNII	597Y8O946Y ;
CompTox Dashboard (EPA)	DTXSID20582510 ;
	InChI InChI=1S/C3H6As4O3/c1-4-2-6-9-5(1)3-7(8-4)10-6/h1-3H2 Key: MHYDZXIVBJPPAM-UHFFFAOYSA-N ;
	SMILES [As@@]1(O2)C[As@](O[As@]2C3)O[As@]3C1; C1[As]2C[As]3O[As]1C[As](O2)O3;
Properties
Chemical formula	C3H6As4O3
Molar mass	389.764 g·mol−1
Melting point	182 to 184 °C (360 to 363 °F; 455 to 457 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Arsenicin A is a naturally occurring organoarsenic compound with molecular formula C₃H₆As₄O₃. It was first isolated from the New Caledonian marine sponge Echinochalina bargibanti.[1] The compound was characterized by computational and spectroscopic[2][3] techniques and found to possess a cage-like structure similar to adamantane in which the four methanetriyl carbon bridgeheads are replaced by arsenic atoms and three of the six methylene bridges are replaced by oxygen atoms. It is the first polyarsenic compound ever found in nature.[1] Subsequently, the proposed structure was prepared in large quantities via total synthesis and the structure was confirmed by x-ray crystallography.[4][5] The molecule is chiral, and has been resolved into its two enantiomers.[5] Arsenicin A is active against promelocytic leukemia cells at lower concentrations than the arsenic(III) oxide drug Trisenox.[5]

References

Mancini, Ines; Guella, Graziano; Frostin, Maryvonne; Hnawia, Edouard; Laurent, Dominique; Debitus, Cecile; Pietra, Francesco (2006). "On the First Polyarsenic Organic Compound from Nature: Arsenicin a from the New Caledonian Marine Sponge Echinochalina bargibanti". Chemistry: A European Journal. 12 (35): 8989–94. doi:10.1002/chem.200600783. PMID 17039560.
Tähtinen, Petri; Saielli, Giacomo; Guella, Graziano; Mancini, Ines; Bagno, Alessandro (2008). "Computational NMR Spectroscopy of Organoarsenicals and the Natural Polyarsenic Compound Arsenicin A". Chemistry: A European Journal. 14 (33): 10445–52. doi:10.1002/chem.200801272. PMID 18846604.
Guella, Graziano; Mancini, Ines; Mariotto, Gino; Rossi, Barbara; Viliani, Gabriele (2009). "Vibrational analysis as a powerful tool in structure elucidation of polyarsenicals: a DFT-based investigation of arsenicin A". Physical Chemistry Chemical Physics. 11 (14): 2420–2427. doi:10.1039/b816729j. PMID 19325974.
Di Lu; A. David Rae; Geoff Salem; Michelle L. Weir; Anthony C. Willis; S. Bruce Wild (2010). "Arsenicin A, A Natural Polyarsenical: Synthesis and Crystal Structure". Organometallics. 29 (1): 32–33. doi:10.1021/om900998q.
Lu, Di; Coote, Michelle L.; Ho, Junming; Kilah, Nathan L.; Lin, Ching-Yeh; Salem, Geoff; Weir, Michelle L.; Willis, Anthony C.; Wild, S. Bruce (2012-03-12). "Resolution and Improved Synthesis of (±)-Arsenicin A: A Natural Adamantane-Type Tetraarsenical Possessing Strong Anti-Acute Promelocytic Leukemia Cell Line Activity". Organometallics. 31 (5): 1808–1816. doi:10.1021/om201180d.

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[Mancini-1] Mancini, Ines; Guella, Graziano; Frostin, Maryvonne; Hnawia, Edouard; Laurent, Dominique; Debitus, Cecile; Pietra, Francesco (2006). "On the First Polyarsenic Organic Compound from Nature: Arsenicin a from the New Caledonian Marine Sponge Echinochalina bargibanti". Chemistry: A European Journal. 12 (35): 8989–94. doi:10.1002/chem.200600783. PMID 17039560.

[Bagno-2] Tähtinen, Petri; Saielli, Giacomo; Guella, Graziano; Mancini, Ines; Bagno, Alessandro (2008). "Computational NMR Spectroscopy of Organoarsenicals and the Natural Polyarsenic Compound Arsenicin A". Chemistry: A European Journal. 14 (33): 10445–52. doi:10.1002/chem.200801272. PMID 18846604.

[Guella-3] Guella, Graziano; Mancini, Ines; Mariotto, Gino; Rossi, Barbara; Viliani, Gabriele (2009). "Vibrational analysis as a powerful tool in structure elucidation of polyarsenicals: a DFT-based investigation of arsenicin A". Physical Chemistry Chemical Physics. 11 (14): 2420–2427. doi:10.1039/b816729j. PMID 19325974.

[4] Di Lu; A. David Rae; Geoff Salem; Michelle L. Weir; Anthony C. Willis; S. Bruce Wild (2010). "Arsenicin A, A Natural Polyarsenical: Synthesis and Crystal Structure". Organometallics. 29 (1): 32–33. doi:10.1021/om900998q.

[:0-5] Lu, Di; Coote, Michelle L.; Ho, Junming; Kilah, Nathan L.; Lin, Ching-Yeh; Salem, Geoff; Weir, Michelle L.; Willis, Anthony C.; Wild, S. Bruce (2012-03-12). "Resolution and Improved Synthesis of (±)-Arsenicin A: A Natural Adamantane-Type Tetraarsenical Possessing Strong Anti-Acute Promelocytic Leukemia Cell Line Activity". Organometallics. 31 (5): 1808–1816. doi:10.1021/om201180d.