5-methylenefuran-2(5H)-one

5-methylenefuran-2(5H)-one Basic information

Product Name:	5-methylenefuran-2(5H)-one
Synonyms:	5-methylenefuran-2(5H)-one;Protoanemonin;2,4-Pentadien-4-olide;5-Methylene-2(5H)-furanone;5-Methylene-2,5-dihydrofuran-2-one;Isomycin;5-methylenefuran-2-one;5-methylidenefuran-2-one
CAS:	108-28-1
MF:	C5H4O2
MW:	96.08406
EINECS:	2035674
Product Categories:
Mol File:	108-28-1.mol

5-methylenefuran-2(5H)-one Chemical Properties

Melting point	<25 °C
Boiling point	bp1.5 45°
density	1.1400
refractive index	1.4945 (estimate)
LogP	-0.839 (est)

Safety Information

MSDS Information

5-methylenefuran-2(5H)-one Usage And Synthesis

Definition	ChEBI: Protoanemonin is a butenolide.
Synthesis Reference(s)	Journal of the American Chemical Society, 77, p. 2332, 1955 DOI: 10.1021/ja01613a092

5-methylenefuran-2(5H)-one Preparation Products And Raw materials

Raw materials

2(5H)-Furanone, 5-hydroxy-5-methyl--->2(5H)-Furanone, 5-(hydroxymethyl)--->3,4-Pentadienoic acid-->3,4-Pentadienoic acid, ethyl ester-->5-(Acetyloxy)-5-methyl-2(5H)-furanone-->D-erythro-Pentonic acid, 2-deoxy-, γ-lactone, 3,5-bis(4-methylbenzoate)-->(S)-(-)HYDROXYMETHYL-3(2H)-FURANONE-->(Z)-(3)-IODOACRYLIC ACID-->3-ACETYLACRYLIC ACID-->alpha-Angelica lactone-->2-Methylfuran-->Trimethylsilylacetylene

Preparation Products

(+/-)-1-oxaspiro[4,5]dec-7-ene

4-(4-CHLOROPHENYL)-3-[3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINYL]-5-[(2,4-DICHLOROPHENYL)METHYLENE]-2(5H)-FURANONE 4-(([3-METHOXY-5-OXO-2(5H)-FURANYLIDEN]METHYL)AMINO)BENZENECARBOXYLIC ACID Pulvinicanhydride 5-[(3,4-DICHLOROPHENYL)METHYLENE]-2-OXO-4-PHENYL-2,5-DIHYDRO-3-FURANCARBONITRILE RHIZOCARPIC ACID 4-(4-CHLOROPHENYL)-2-OXO-5-(PHENYLMETHYLENE)-2,5-DIHYDRO-3-FURANCARBONITRILE 5-(ANILINOMETHYLENE)-4-METHYL-3-(4-NITROPHENYL)-2(5H)-FURANONE 5-[(4-CHLOROANILINO)METHYLENE]-4-METHOXY-2(5H)-FURANONE PATULIN 3-ACETYL CYCLOHEPTA[B]FURAN-2-ONE 5-[(4-CHLOROPHENYL)METHYLENE]-2-OXO-4-PHENYL-2,5-DIHYDRO-3-FURANCARBONITRILE 5-[(DIMETHYLAMINO)METHYLENE]-4-METHYL-3-(4-NITROPHENYL)-2(5H)-FURANONE 5-[(2,4-DICHLOROANILINO)METHYLENE]-4-METHOXY-2(5H)-FURANONE 4-METHOXY-5-[(4-PHENOXYANILINO)METHYLENE]-2(5H)-FURANONE 4-METHOXY-5-([4-(TRIFLUOROMETHYL)ANILINO]METHYLENE)-2(5H)-FURANONE VULPINIC ACID 4-(4-CHLOROPHENYL)-5-[(4-CHLOROPHENYL)METHYLENE]-3-[3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINYL]-2(5H)-FURANONE 5-(ANILINOMETHYLENE)-4-METHOXY-2(5H)-FURANONE

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