N-Ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline Chemical Properties | |
Melting point | 62-67 °C(lit.) |
Boiling point | 125-128 °C (0.1 mmHg) |
density | 1.1173 (rough estimate) |
refractive index | 1.5300 (estimate) |
Fp | 125-128°C/0.1mm |
storage temp. | 2-8°C |
form | Crystalline Powder |
color | White to beige |
Water Solubility | insoluble |
Sensitive | Moisture Sensitive |
Merck | 14,3518 |
BRN | 533048 |
CAS DataBase Reference | 16357-59-8(CAS DataBase Reference) |
EPA Substance Registry System | 1(2H)-Quinolinecarboxylic acid, 2-ethoxy-, ethyl ester(16357-59-8) |
Safety Information | |
Hazard Codes | Xi,Xn |
Risk Statements | 38-36/37/38-20/21/22 |
Safety Statements | 22-24/25-36/37/39-26-36 |
WGK Germany | 3 |
RTECS | VB2010000 |
F | 9-21 |
TSCA | Yes |
HS Code | 29334990 |
N-Ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline Usage And Synthesis | |
Chemical Properties | White to pale yellow solid |
Uses | Peptide condensing agent with little or no racemization. Amidation coupling reagent. |
Uses | In the synthesis of peptides. |
Purification Methods | Dissolve EEDQ ~180g in CHCl3, evaporate to dryness in a vacuum. Add dry Et2O (20mL) and a white solid separates on standing. Set aside for a few hours, collect the solid, wash it thoroughly with cold Et2O and dry it in a vacuum (~140g, m 63.5-65o). A further crop of solid (~25g) is obtained from the filtrate on standing overnight. [Fieser & Fieser Reagents for Organic Synthesis 2 191 1969, Belleau et al. J Am Chem Soc 90 823 1968 and 90 1651 1968, Beilstein 21/3 V 28.] |
N-Ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline Preparation Products And Raw materials | |
Raw materials | Diethyl ether-->Dichloromethane-->N,N-Dimethylformamide-->Magnesium sulfate-->Potassium hydroxide -->Ethyl chloroformate-->Quinoline-->Boron trifluoride etherate |
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