1193-24-4
- Product Name：4,6-Dihydroxypyrimidine
- Molecular Formula：C4H4N2O2
- Purity：99%
- Molecular Weight：112.088
Product Details
Buy Quality 4,6-Dihydroxypyrimidine 1193-24-4 In Stock with Immediately Delivery
- Molecular Formula:C4H4N2O2
- Molecular Weight:112.088
- Appearance/Colour:pale yellow crystals
- Vapor Pressure:0.001Pa at 20℃
- Melting Point:>300 °C(lit.)
- Refractive Index:1.4610 (estimate)
- Boiling Point:358.5 °C at 760 mmHg
- PKA:5.70±0.10(Predicted)
- Flash Point:170.6 °C
- PSA：66.24000
- Density:1.4421 (rough estimate)
- LogP:-0.11220
4,6-Dihydroxypyrimidine(Cas 1193-24-4) Usage
|
Flammability and Explosibility |
Notclassified |
|
Synthesis |
Synthesis of 4,6-dihydroxypyrimidine (DHP) by reaction of a malonic acid ester with formamide and an alkali metal alkoxide at elevated temperature. |
InChI:InChI=1/C4H4N2O2/c7-3-1-4(8)6-2-5-3/h1-2H,(H2,5,6,7,8)
1193-24-4 Relevant articles
Sustainable and cost-efficient electro-synthesis of formamidine acetate from cyanamide in aqueous acidic electrolyte
Güthner, Thomas,Klein, Martin,Sans, Jürgen,Thalhammer, Franz,Waldvogel, Siegfried R.
, p. 3289 - 3294 (2021)
Formamidine represents a versatile build...
Photochemical transformations of 4,6-dihydroxypyrimidine and 2-methyl-4,6-dihydroxypyrimidine isolated in low-temperature Ar, Ne and H2 matrices
Rostkowska, Hanna,Luchowska, Anna,Lapinski, Leszek,Nowak, Maciej J.
, (2020)
Monomers of 4,6-dihydroxypyrimidine and ...
Photochemical transformation of azoxystrobin in aqueous solutions
Boudina,Emmelin,Baaliouamer,Paisse,Chovelon
, p. 1280 - 1288 (2007)
The photochemical behaviour of azoxystro...
Production method of 4, 6-dihydroxypyrimidine
-
Paragraph 0006; 0024-0029, (2021/09/29)
The invention belongs to the technical f...
Pyrimidine hydrazone derivative and preparation method and application thereof
-
Paragraph 0036-0040, (2020/11/23)
The invention relates to pyrimidine hydr...
Preparation method of 4, 6-dihydroxypyrimidine
-
Page/Page column 0029-0069, (2020/04/02)
The invention provides a preparation met...
1193-24-4 Process route
-
-
77287-34-4,77287-35-5,60100-09-6
formamide
-
-
108-59-8
malonic acid dimethyl ester
-
-
1193-24-4
4,6-pyrimidinediol
| Conditions | Yield |
|---|---|
|
With
sodium methylate;
In
methanol;
at 60 - 70 ℃;
for 8h;
Large scale;
|
90% |
|
formamide; malonic acid dimethyl ester;
With
sodium methylate;
In
methanol;
at 95 ℃;
for 1h;
With
hydrogenchloride;
In
water;
at 35 ℃;
pH=2.8;
Temperature;
pH-value;
Reagent/catalyst;
Solvent;
|
82.5% |
|
With
sodium methylate;
In
methanol;
at 50 ℃;
for 2h;
Concentration;
Temperature;
|
-
-
77287-34-4,77287-35-5,60100-09-6
formamide
-
-
105-53-3
diethyl malonate
-
-
1193-24-4
4,6-pyrimidinediol
| Conditions | Yield |
|---|---|
|
With
methanol; sodium methylate;
for 3h;
Reflux;
|
85% |
|
With
sodium ethanolate;
In
ethanol;
at 65 - 110 ℃;
for 49h;
|
82% |
|
formamide;
With
sodium;
In
ethanol;
at 45 ℃;
for 10h;
diethyl malonate;
In
ethanol;
at 65 - 110 ℃;
for 4h;
|
67.9% |
1193-24-4 Upstream products
-
141-52-6
sodium ethanolate
-
105-53-3
diethyl malonate
-
463-52-5
formamidine
-
215934-32-0
azoxystrobin
1193-24-4 Downstream products
-
138918-23-7
4,6-dihydroxy-5-benzylthiopyrimidine
-
141764-36-5
5-phenylfuro<2,3-d>pyrimidin-4(3H)-one
-
141764-35-4
5,6-dihydro-6-nitro-5-phenylfuro<2,3-d>pyrimidin-4(3H)one
-
141764-46-7
5-(4-chlorophenyl)furo[2,3-d]pyrimidin-4(3H)-one
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