CH3CH=C=C=O

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Names

[ CAS No. ]:
78957-08-1

[ Name ]:
CH3CH=C=C=O

[Synonym ]:
1,2-Butadienone
1,2-BUTADIEN-1-ONE
Ethylideneketene
CH3CH=C=C=O

Chemical & Physical Properties

[ Density]:
0.763g/cm3

[ Boiling Point ]:
60.7ºC at 760 mmHg

[ Molecular Formula ]:
C4H4O

[ Molecular Weight ]:
68.07400

[ Exact Mass ]:
68.02620

[ PSA ]:
17.07000

[ LogP ]:
0.54920

[ Index of Refraction ]:
1.381

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 5-ethylidene Meldrum's acid
  • crotonic-trifluoracetic anhydride

DownStream

Related Compounds

  • 6-[4-(6-Oxo-3-phenyl-1,6-dihydropyridazin-1-yl)piperidin-1-yl]pyridine-2-carbonitrile
  • 6-[4-(5-Fluoro-6-phenylpyrimidin-4-yl)piperazin-1-yl]-3-methyl-3,4-dihydropyrimidin-4-one
  • N-(4-methylphenyl)-3-{[(6-methylpyridin-2-yl)oxy]methyl}piperidine-1-carboxamide
  • N-(3-Methylphenyl)-3-[(6-methylpyridin-2-yl)oxymethyl]piperidine-1-carboxamide
  • 4-{4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}-1-[3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine
  • 2-[1-(5-Chloropyrimidin-2-yl)piperidin-4-yl]-6-phenylpyridazin-3-one
  • 6-Tert-butyl-2-[1-(3,3-difluorocyclobutanecarbonyl)piperidin-4-yl]-2,3-dihydropyridazin-3-one
  • 6-Tert-butyl-2-[1-(4,4-difluorocyclohexanecarbonyl)piperidin-4-yl]-2,3-dihydropyridazin-3-one
  • 2-{[1-(2-Methoxyethyl)piperidin-3-yl]methoxy}-5-methylpyrimidine
  • 6,6-Dimethyl-2-[2-methyl-6-(trifluoromethyl)pyrimidin-4-yl]-2-azaspiro[3.3]heptane
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