trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid

Names

[ CAS No. ]:
42059-58-5

[ Name ]:
trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid

[Synonym ]:
rarechem al bk 0223

Chemical & Physical Properties

[ Density]:
1.484g/cm3

[ Boiling Point ]:
367.7ºC at 760 mmHg

[ Molecular Formula ]:
C12H8O4

[ Molecular Weight ]:
216.19000

[ Flash Point ]:
145.7ºC

[ Exact Mass ]:
216.04200

[ PSA ]:
67.51000

[ LogP ]:
1.89080

[ Index of Refraction ]:
1.712

Safety Information

[ HS Code ]:
2918300090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 6-hydroxy-2-phenyl-1,3-thiazin-4-one
  • 4-Oxo-4H-chromene-3-carbaldehyde
  • Malonic acid
  • ethyl (E)-3-(4-oxo-4H-chromen-3-yl)acrylate
  • ethyl 3-((tert-butyldimethylsilyl)oxy)-3-(4-oxo-4H-chromen-3-yl)propanoate

DownStream

Customs

[ HS Code ]: 2918300090

[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Related Compounds

  • trans-1-Dimethylamino-3-(4-oxo-4H-1-benzopyran-3-yl)-3-oxopropene
  • (E)-3-(4-Oxo-4H-chromen-3-yl)-acrylic acid
  • 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl nicotinate
  • 2,3-dihydro-2-(4-oxo-4H-1-benzopyran-3-yl)-4-oxo-4H-1-benzopyran
  • beta-D-Glucopyranosiduronic acid, 2-(3,4-dihydroxyphenyl)-5,7-dihydrox y-4-oxo-4H-1-benzopyran-3-yl O-beta-D-galactopyranosyl-
  • 2-(2-Methoxyphenyl)-4-oxo-4H-chromen-3-yl 2-thiophenecarboxylate