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Cas Database

84941-67-3

84941-67-3

Identification

  • Product Name:4H-1-Benzopyran-4-one, 3-benzoyl-2-(methylthio)-

  • CAS Number: 84941-67-3

  • EINECS:

  • Molecular Weight:296.346

  • Molecular Formula: C17H12O3S

  • HS Code:

  • Mol File:84941-67-3.mol

Synonyms:

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Relevant articles and documentsAll total 1 Articles be found

Synthesis and reactions of 3-acyl-2-(methylthio)chromones

Eiden,Rademacher

, p. 34 - 42 (1983)

-

Process route upstream and downstream products

Process route

carbon disulfide
75-15-0,12122-00-8

carbon disulfide

1-(2-hydroxyphenyl)-3-phenyl-1,3-propanedione
1469-94-9

1-(2-hydroxyphenyl)-3-phenyl-1,3-propanedione

dimethyl sulfate
77-78-1

dimethyl sulfate

3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

Conditions
Conditions Yield
With potassium hydroxide; Yield given. Multistep reaction; 1.) DMSO, water, ice-cooling, 4 h, 2.) room temp., 2 h;
3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

3-benzoyl-4-hydroxy-2H-chromen-2-one
19492-11-6

3-benzoyl-4-hydroxy-2H-chromen-2-one

Conditions
Conditions Yield
With potassium hydroxide; In ethanol; for 1.5h; Heating;
87%
Multi-step reaction with 2 steps
1: 74 percent / ethanol / 2 h / Heating
2: conc. aq. HCl, acetic acid / H2O / 4 h / 100 °C
With hydrogenchloride; acetic acid; In ethanol; water;
3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

acetylacetone
123-54-6,81235-32-7

acetylacetone

4-Acetyl-3-hydroxy-1-phenyl-xanthon
91221-92-0

4-Acetyl-3-hydroxy-1-phenyl-xanthon

Conditions
Conditions Yield
With potassium tert-butylate; In tetrahydrofuran; at 80 ℃; for 12h;
60%
3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

2-Amino-3-benzoyl-chromon
84941-71-9

2-Amino-3-benzoyl-chromon

Conditions
Conditions Yield
With ammonium hydroxide; In ethanol; for 0.583333h; Heating;
75%
3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

3-Phenyl-1H-<1>-benzopyrano<2,3-c>pyrazol-4-on
84941-86-6

3-Phenyl-1H-<1>-benzopyrano<2,3-c>pyrazol-4-on

Conditions
Conditions Yield
With hydrazine hydrate; In ethanol; for 1.5h; Heating;
76%
3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

GlyOEt*HCl
459-73-4

GlyOEt*HCl

N-(3-Benzoyl-chromonyl-2)-aminoessigsaeureethylester
84941-76-4

N-(3-Benzoyl-chromonyl-2)-aminoessigsaeureethylester

Conditions
Conditions Yield
With sodium; In ethanol; for 1h; Heating;
86%
guanidine hydrochloride
50-01-1

guanidine hydrochloride

3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

2-Amino-4-phenyl-<1>-benzopyrano<2,3-d>pyrimidin-5-on
84941-92-4

2-Amino-4-phenyl-<1>-benzopyrano<2,3-d>pyrimidin-5-on

Conditions
Conditions Yield
With sodium; In ethanol; for 0.5h; Heating;
84%
acetophenone
98-86-2

acetophenone

3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

3-Benzoyl-2-benzoylmethyl-chromon
91221-86-2

3-Benzoyl-2-benzoylmethyl-chromon

Conditions
Conditions Yield
With potassium tert-butylate; In tetrahydrofuran; for 1h; Ambient temperature;
78%
3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

diethyl 1,3-acetonedicarboxylate
105-50-0

diethyl 1,3-acetonedicarboxylate

3-Hydroxy-1-phenyl-xanthon-2,4-dicarbonsaeurediethylester
91221-91-9

3-Hydroxy-1-phenyl-xanthon-2,4-dicarbonsaeurediethylester

Conditions
Conditions Yield
With potassium tert-butylate; In tetrahydrofuran; for 1h; Ambient temperature;
81%
nitromethane
75-52-5

nitromethane

3-Benzoyl-2-methylthio-chromon
84941-67-3

3-Benzoyl-2-methylthio-chromon

3-Benzoyl-2-nitromethyl-chromon
91221-85-1

3-Benzoyl-2-nitromethyl-chromon

Conditions
Conditions Yield
With potassium tert-butylate; In tetrahydrofuran; for 4h; Heating;
73%

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