Cyclobutanone
1191-95-3O=C1CCC1SHQSVMDWKBRBGB-UHFFFAOYSA-N1191-95-3DTXSID9061592Clear colourless to slightly yellow liquid
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Danger
H225 (23.2%): Highly Flammable liquid and vapor [Danger Flammable liquids]
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 56 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
REACH registered substance: Cyclobutanone (EC: 214-745-6)
Cyclobutanone: Does not have an individual approval but may be used under an appropriate group standard
용도Cyclobutanone is used in preparation of cyclobutane derivatives. It is used as a starting material for aminocyclobutanecarboxylic acid through sulfonyloxiranes. It is also used to prepare dihydro-furan-2-one in presence of polystyrene-bound phenylselenic acid as catalyst. Further, it is involved in the photochemical synthesis of nucleoside analogues such as bicyclic nucleosides and isonucleosides.
The Russian chemist Nikolai Kischner first prepared cyclobutanone in 1905. He synthesized cyclobutanone in a low yield from cyclobutanecarboxylic acid in several reaction steps.Another synthesis of cyclobutanone involves lithium-catalyzed rearrangement of oxaspiropentane, which is formed by epoxidation of the easily accessible methylenecyclopropane.
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