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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
34790-24-4

4-methylquinazolin-2(1H)-one synthesis

5synthesis methods
Urea, N-[2-[2-(trimethylsilyl)ethynyl]phenyl]-

685110-87-6
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4-methylquinazolin-2(1H)-one

34790-24-4
16 suppliers
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Yield:34790-24-4 75%

Reaction Conditions:

Stage #1: N-[2-[(trimethylsilanyl)ethynyl]phenyl]ureawith trifluorormethanesulfonic acid in 1,2-dichloro-ethane;Reflux;
Stage #2: with sodium hydrogencarbonate in water;ethyl acetate;1,2-dichloro-ethane;

References:

Wang, Honggen;Liu, Lanying;Wang, Yong;Peng, Changlan;Zhang, Jiancun;Zhu, Qiang [Tetrahedron Letters,2009,vol. 50,# 49,p. 6841 - 6843] Location in patent:supporting information; experimental part

N-(2-ACETYLPHENYL)-2,2,2-TRICHLOROACETAMIDE

69559-56-4
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4-methylquinazolin-2(1H)-one

34790-24-4
16 suppliers
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References
Methylmagnesium Bromide

75-16-1
276 suppliers
$12.00/10ml

Methyl chloroformate

79-22-1
0 suppliers
$38.00/1000g

2-Aminobenzonitrile

1885-29-6
457 suppliers
$5.00/1g

4-methylquinazolin-2(1H)-one

34790-24-4
16 suppliers
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References
613-89-8 Synthesis
2-Aminoecetophenone

613-89-8
79 suppliers
$338.00/100g

4-methylquinazolin-2(1H)-one

34790-24-4
16 suppliers
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References
551-93-9 Synthesis
2-Aminoacetophenone

551-93-9
504 suppliers
$6.00/5g

4-methylquinazolin-2(1H)-one

34790-24-4
16 suppliers
inquiry

References

4-methylquinazolin-2(1H)-one Related Search:

6-BROMO-4-PHENYLQUINAZOLIN-2(1H)-ONE