Calone

Calone
Names
	IUPAC name 7-Methylbenzo[b][1,4]dioxepin-3-one
	Other names Calone 1951; Watermelon ketone; Methylbenzodioxepinone
Identifiers
CAS Number	28940-11-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	107218;
ECHA InfoCard	100.044.823
PubChem CID	120101;
UNII	0NQ136C313 ;
CompTox Dashboard (EPA)	DTXSID0047165 ;
	InChI InChI=1/C10H10O3/c1-7-2-3-9-10(4-7)13-6-8(11)5-12-9/h2-4H,5-6H2,1H3 Key: SWUIQEBPZIHZQS-UHFFFAOYAC;
	SMILES O=C1COc2c(OC1)cc(cc2)C;
Properties
Chemical formula	C10H10O3
Molar mass	178.187 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Calone or methylbenzodioxepinone, trade-named Calone 1951, also known in the industry as "watermelon ketone", was discovered by Pfizer in 1966. It is used to give the olfactory impression of a fresh seashore through the marine and ozone nuances. Calone is similar in structure to brown algae pheromones like ectocarpene and is also distantly related in structure to the benzodiazepine class of sedatives.[1]

Calone is an unusual odorant which has an intense "sea-breeze" note with slight floral overtones. It has been used as a scent component since the 1980s for its watery, fresh, ozone accords, and as a more dominant note in several perfumes of the marine trend, beginning in the 1990s. In 2014, Plummer et al. reported the synthesis and fragrance properties of several related aliphatic analogues. [2]

References

Yudov, Matvey. "Calone: The Air of the 1990s ~ Raw Materials ~ Fragrantica". fragrantica.com. Retrieved 2020-06-29.
C. M. Plummer, R. Gericke, P. Kraft, A. Raynor, J. Froese, T. Hudlicky, T. J. Rook, O. A. H. Jones and H. M. Hϋgel (4 Dec 2014). "Synthesis of Saturated Benzodioxepinone Analogues: Insight into the Importance of the Aromatic Ring Binding Motif for Marine Odorants". Eur. J. Org. Chem. 2015: 486–495. doi:10.1002/ejoc.201403142.CS1 maint: multiple names: authors list (link)

External links

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[Yudov-1] Yudov, Matvey. "Calone: The Air of the 1990s ~ Raw Materials ~ Fragrantica". fragrantica.com. Retrieved 2020-06-29.

[Plummer-2] C. M. Plummer, R. Gericke, P. Kraft, A. Raynor, J. Froese, T. Hudlicky, T. J. Rook, O. A. H. Jones and H. M. Hϋgel (4 Dec 2014). "Synthesis of Saturated Benzodioxepinone Analogues: Insight into the Importance of the Aromatic Ring Binding Motif for Marine Odorants". Eur. J. Org. Chem. 2015: 486–495. doi:10.1002/ejoc.201403142.CS1 maint: multiple names: authors list (link)