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35773-43-4

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Basic Information
CAS No.: 35773-43-4
Name: Disperse Yellow 232
Article Data: 6
Molecular Structure:
Molecular Structure of 35773-43-4 (Disperse Yellow 232)
Formula: C20H17ClN2O3
Molecular Weight: 368.82
Synonyms: 3-(5-Chlorobenzoxazol-2-yl)-7-(diethylamino)-2-benzopyrone ; 3-(5-Chlorobenzoxazol-2-yl)-7-diethylaminocoumarin;C.I. Disperse Yellow 232;C.I. Solvent Yellow 160:1;2H-1-Benzopyran-2-one, 3-(5-chloro-2-benzoxazolyl)-7-(diethylamino)-;Macrolex Fl Yellow 10GN;Macrolex fluorescent yellow;
EINECS: 252-722-2
Density: 1.354 g/cm3
Melting Point: 195-196 °C(Solv: N,N-dimethylformamide (68-12-2))
Boiling Point: 575.4 °C at 760 mmHg
Flash Point: 301.8 °C
PSA: 59.48000
LogP: 5.10080
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Synthetic route
17754-90-4

4-(Diethylamino)salicylaldehyde

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ethyl 2-cyanoacetate

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2-hydroxy-5-chloro-aniline

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3-(5-chloro-1,3-benzoxazol-2-yl)-7-(diethylamino)-2H-chromen-2-one

Conditions
ConditionsYield
With benzoic acid In pentan-1-ol at 110℃; for 0.05h; Microwave irradiation;92%
With oxalic acid; L-proline In ethanol at 85℃; for 12h; Schlenk technique;83%
With acetic acid In glycerol at 80℃; for 14h; Schlenk technique; Green chemistry;75%
In butan-1-ol for 7h; Reflux;73%
...Expand
17754-90-4

4-(Diethylamino)salicylaldehyde

105-53-3

diethyl malonate

95-85-2

2-hydroxy-5-chloro-aniline

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3-(5-chloro-1,3-benzoxazol-2-yl)-7-(diethylamino)-2H-chromen-2-one

Conditions
ConditionsYield
With pyrophosphoric acid at 100℃; for 0.1h; Microwave irradiation;70%
...Expand
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    CSR081605-64809

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    Solvent Yellow 160:1

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  • 3-(5-chlorobenzoxazol-2-yl)-7-diethylaminocoumarin

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Chemistry


IUPAC Name: 3-(5-Chloro-1,3-benzoxazol-2-yl)-7-(diethylamino)chromen-2-one
Molecular Formula: C20H17ClN2O3
Molecular Weight: 368.81 g/mol
Canonical SMILES: O=c1c(c2nc3cc(Cl)ccc3o2)cc2ccc(N(CC)CC)cc2o1
InChI: InChI=1/C20H17ClN2O3/c1-3-23(4-2)14-7-5-12-9-15(20(24)26-18(12)11-14)19-22-16-10-13(21)6-8-17(16)25-19/h5-11H,3-4H2,1-2H3
EINECS: 252-722-2
XLogP3-AA: 4.9
H-Bond Donor: 0
H-Bond Acceptor: 5
Index of Refraction: 1.663
Molar Refractivity: 100.91 cm3
Molar Volume: 272.3 cm3
Polarizability: 40×10-24 cm3
Surface Tension: 58.5 dyne/cm
Density: 1.354 g/cm3
Flash Point: 301.8 °C
Enthalpy of Vaporization: 86.19 kJ/mol
Boiling Point: 575.4 °C at 760 mmHg
Vapour Pressure of Disperse Yellow 232 (CAS NO.35773-43-4): 3.03E-13 mmHg at 25 °C

Specification

  Disperse Yellow 232 (CAS NO.35773-43-4), its Synonyms are 2H-1-Benzopyran-2-one, 3-(5-chloro-2-benzoxazolyl)-7-(diethylamino)- ; 3-(5-Chlorobenzoxazol-2-yl)-7-(diethylamino)-2-benzopyrone ; 3-(5-Chlorobenzoxazol-2-yl)-7-diethylaminocoumarin ; 3-(5-chloro-2-benzoxazolyl)-7-(diethylamino)-2h-1-benzopyran-2-one .