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

  • 4-((1-(2-(4-fluorophenoxy)acetyl)azetidin-3-yl)oxy)-6-methyl-2H-pyran-2-one
  • 6-methyl-4-((1-(4-propyl-1,2,3-thiadiazole-5-carbonyl)azetidin-3-yl)oxy)-2H-pyran-2-one
  • 6-methyl-4-((1-(quinoxaline-2-carbonyl)azetidin-3-yl)oxy)-2H-pyran-2-one
  • 6-methyl-4-((1-((3-methylbenzyl)sulfonyl)azetidin-3-yl)oxy)-2H-pyran-2-one
  • 4-((1-((4-fluoro-3-methylphenyl)sulfonyl)azetidin-3-yl)oxy)-6-methyl-2H-pyran-2-one
  • 3-Amino-6-ethylquinoline dihydrochloride
  • 4-((1-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)azetidin-3-yl)oxy)-6-methyl-2H-pyran-2-one
  • 3-Amino-6,8-dichloroquinoline dihydrochloride
  • 4-((1-((4-ethoxy-3-fluorophenyl)sulfonyl)azetidin-3-yl)oxy)-6-methyl-2H-pyran-2-one
  • methyl 3-((3-((6-methyl-2-oxo-2H-pyran-4-yl)oxy)azetidin-1-yl)sulfonyl)thiophene-2-carboxylate
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