424773
4-Benzylidene-2-phenyl-2-oxazolin-5-one
≥99%
Synonym(s):
(Z)-4-Benzylidene-2-phenyloxazolin-5-one, (Z)-4-benzylidene-2-phenyloxazol-5(4H)-one, 4-Benzylidene-2-phenyl-5(4H)-oxazolone
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About This Item
Empirical Formula (Hill Notation):
C16H11NO2
CAS Number:
Molecular Weight:
249.26
UNSPSC Code:
12352100
PubChem Substance ID:
MDL number:
Assay:
≥99%
assay
≥99%
mp
165-167 °C (lit.)
SMILES string
O=C1OC(=N\C1=C/c2ccccc2)c3ccccc3
InChI
1S/C16H11NO2/c18-16-14(11-12-7-3-1-4-8-12)17-15(19-16)13-9-5-2-6-10-13/h1-11H/b14-11-
InChI key
VFDOKJVMHZUBTN-KAMYIIQDSA-N
General description
4-Benzylidene-2-phenyl-2-oxazolin-5-one (4-benzal-2-phenyl-5-oxazolone) is an azlactone. The absolute configuration of the geometric isomers of 4-benzylidene-2-phenyl-2-oxazolin-5-one have been determined by NMR spectroscopy. It undergoes two primary photochemical processes, geometric isomerization and hydrogen abstraction from solvent.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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The geometrical isomers of 4-benzylidene-2-phenyl-2-oxazolin-5-one: determination of absolute configurations by nuclear magnetic resonance spectroscopy.
Brocklehurst K, et al.
Chemical Communications (Cambridge, England), 15, 884-886 (1968)
Unsaturated lactone photochemistry. Effect of wavelength and sensitizer structure on selective population of specific excited states.
Ullman EF and Baumann N.
Journal of the American Chemical Society, 92(20), 5892-5899 (1970)