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

1-phenylpyrazolidine-3,5-dione synthesis

12synthesis methods
141-82-2 Synthesis
Malonic acid

141-82-2
737 suppliers
$5.00/25g

100-63-0 Synthesis
Phenylhydrazine

100-63-0
357 suppliers
$10.00/1g

1-phenylpyrazolidine-3,5-dione

19933-22-3
29 suppliers
inquiry

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Yield:19933-22-3 92%

Reaction Conditions:

in methanol at 80; for 2 h;

References:

Isaad, Jalal;Perwuelz, Anne [Tetrahedron Letters,2010,vol. 51,# 40,p. 5328 - 5332] Location in patent:supporting information; experimental part

100-63-0 Synthesis
Phenylhydrazine

100-63-0
357 suppliers
$10.00/1g

1663-67-8 Synthesis
Malonyl chloride

1663-67-8
212 suppliers
$42.79/5g

1-phenylpyrazolidine-3,5-dione

19933-22-3
29 suppliers
inquiry

References
100-63-0 Synthesis
Phenylhydrazine

100-63-0
357 suppliers
$10.00/1g

36239-09-5 Synthesis
Ethyl malonyl chloride

36239-09-5
273 suppliers
$12.00/5g

1-phenylpyrazolidine-3,5-dione

19933-22-3
29 suppliers
inquiry

References
3-amino-2-phenyl-1H-pyrazol-5-one

70373-98-7
6 suppliers
inquiry

1-phenylpyrazolidine-3,5-dione

19933-22-3
29 suppliers
inquiry

References
4149-06-8 Synthesis
3-AMINO-1-PHENYL-2-PYRAZOLIN-5-ONE

4149-06-8
93 suppliers
$5.00/250mg

1-phenylpyrazolidine-3,5-dione

19933-22-3
29 suppliers
inquiry

References