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CAS No.: | 1585-90-6 |
---|---|
Name: | 1-(2-HYDROXY-ETHYL)-PYRROLE-2,5-DIONE |
Article Data: | 28 |
Molecular Structure: | |
Formula: | C6H7NO3 |
Molecular Weight: | 141.126 |
Synonyms: | N-(2-Hydroxyethyl)maleimide;2-Hydroxyethyl maleimide;1-(2-Hydroxyethyl)pyrrole-2,5-dione;Maleimide,N-(2-hydroxyethyl)- (7CI,8CI); |
Density: | 1.395 g/cm3 |
Melting Point: | 70-71℃ |
Boiling Point: | 304.5 °C at 760 mmHg |
Flash Point: | 138 °C |
Hazard Symbols: | Xn |
Risk Codes: | 22-36 |
Safety: | 26 |
PSA: | 57.61000 |
LogP: | -1.15840 |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
In toluene at 110℃; Inert atmosphere; | 99% |
In toluene at 110℃; for 5h; Inert atmosphere; | 28% |
In toluene Reflux; |
4-(2-hydroxy-ethyl)-10-oxa-4-aza-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With 1,4-dimethoxybezene In xylene at 130℃; for 3.25h; Heating / reflux; | 93% |
In toluene at 105℃; for 16h; | 92% |
In toluene at 120℃; | 82% |
Conditions | Yield |
---|---|
With sulfuric acid; copper(II) sulfate; sodium sulfate In 5,5-dimethyl-1,3-cyclohexadiene at 140℃; for 2h; | 88% |
Stage #1: maleic anhydride; ethanolamine In acetone at 20℃; for 1h; Stage #2: With sodium acetate; triethylamine; hydroquinone at 115℃; for 2.5h; | 30% |
In toluene at 80℃; for 2h; | 25% |
2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl acetate
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol; water for 72h; Heating; | 81% |
N-methoxycarbonylmaleimide
ethanolamine
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With sodium hydrogencarbonate at 0 - 25℃; | 75% |
With sodium hydrogencarbonate In water | 63% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
In toluene for 10h; Reflux; | 54% |
2-[(3-carboxy-1-oxo-2-propenyl)amino]-ethanol
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With sodium acetate; acetic anhydride at 70℃; | 35% |
With sulfuric acid at 60℃; |
N-(2-Hydroxyethyl)-maleinsaeureamid
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With triethylamine In toluene for 2h; Heating; | 14% |
2-(1H-pyrrol-1-yl)ethanol
A
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
B
2,3-dihydropyrrolo[2,1-b]oxazol-5(7ah)-one
C
5-hydroxy-1-(2-hydroxyethyl)-1H-pyrrol-2(5H)-one
Conditions | Yield |
---|---|
With water; oxygen; 5,15,10,20-tetraphenylporphyrin In tetrachloromethane at 0℃; Irradiation; | |
With decatungstate(4-); water; oxygen In acetonitrile at 0℃; Irradiation; |
2-(1H-pyrrol-1-yl)ethanol
methanol
A
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
B
2,3-dihydropyrrolo[2,1-b]oxazol-5(7ah)-one
C
5-hydroxy-1-(2-hydroxyethyl)-1H-pyrrol-2(5H)-one
D
1-(2-hydroxyethyl)-5-methoxy-1H-pyrrol-2(5H)-one
Conditions | Yield |
---|---|
With water; oxygen; rose bengal at 0℃; Irradiation; |
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The 1H-Pyrrole-2,5-dione,1-(2-hydroxyethyl)- is an organic compound with the formula C6H7NO3. The IUPAC name of this chemical is 1-(2-Hydroxyethyl)pyrrole-2,5-dione. With the CAS registry number 1585-90-6, it is also named as N-2-Hydroxy-ethymaleimide. The product's category is Pharmacetical. Besides, its molecular weight is 141.12.
Physical properties about 1H-Pyrrole-2,5-dione,1-(2-hydroxyethyl)- are: (1)ACD/LogD (pH 5.5): -0.81; (2)ACD/LogD (pH 7.4): -0.81; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 8.6; (6)ACD/KOC (pH 7.4): 8.6; (7)#H bond acceptors: 4; (8)#H bond donors: 1; (9)#Freely Rotating Bonds: 3; (10)Polar Surface Area: 46.61 Å2; (11)Index of Refraction: 1.56; (12)Molar Refractivity: 32.73 cm3; (13)Molar Volume: 101.1 cm3; (14)Polarizability: 12.97×10-24 cm3; (15)Surface Tension: 60.4 dyne/cm; (16)Density: 1.395 g/cm3; (17)Flash Point: 138 °C; (18)Enthalpy of Vaporization: 63.19 kJ/mol; (19)Boiling Point: 304.5 °C at 760 mmHg; (20)Vapour Pressure: 8.27E-05 mmHg at 25 °C.
Uses of 1H-Pyrrole-2,5-dione,1-(2-hydroxyethyl)-: it can be used to produce 2-Maleimidoethyl chloroformiate. It will need reagent Et3N and solvent CH2Cl2 with reaction time of 72 hours. The yield is about 80%.
You can still convert the following datas into molecular structure:
(1)InChI: InChI=1/C6H7NO3/c8-4-3-7-5(9)1-2-6(7)10/h1-2,8H,3-4H2
(2)InChIKey: AXTADRUCVAUCRS-UHFFFAOYAR
(3)Std. InChI: InChI=1S/C6H7NO3/c8-4-3-7-5(9)1-2-6(7)10/h1-2,8H,3-4H2
(4)Std. InChIKey: AXTADRUCVAUCRS-UHFFFAOYSA-N