
5-bromo-2,3-dichloroquinoxaline synthesis
- Product Name:5-bromo-2,3-dichloroquinoxaline
- CAS Number:1092286-00-4
- Molecular formula:C8H3BrCl2N2
- Molecular Weight:277.93

2213-63-0
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1092286-00-4
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Yield:1092286-00-4 73%
Reaction Conditions:
Stage #1: 2,3-dichloroquinoxalinewith 2,2,6,6-tetramethylpiperidinyl-lithium in tetrahydrofuran at -78; for 0.5 h;Inert atmosphere;Schlenk technique;
Stage #2: with magnesium chloride in tetrahydrofuran at -78; for 0.25 h;Inert atmosphere;Schlenk technique;
Stage #3: with 1,2-dibromo-1,1,2,2-tetrachloroethane in tetrahydrofuran at -78; for 1 h;Inert atmosphere;Schlenk technique;
References:
Nafe, Julia;Herbert, Simon;Auras, Florian;Karaghiosoff, Konstantin;Bein, Thomas;Knochel, Paul [Chemistry - A European Journal,2015,vol. 21,# 3,p. 1102 - 1107] Location in patent:supporting information