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CAS No. : | 69214-34-2 | MDL No. : | MFCD18072715 |
Formula : | C6H4BrN3 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | ONYMKASWIDXNGH-UHFFFAOYSA-N |
M.W : | 198.02 | Pubchem ID : | 10012955 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
77% | With N-ethyl-N,N-diisopropylamine; In 1-methyl-pyrrolidin-2-one; at 160℃; for 18h; | The mixed halo-products (3:1 Cl:Br) from Preparative Example 102 (3.67 g, 15.0 mmol), were combined with N,N-dimethyl-m-phenylenediamine-2HCl (4.71 g, 22.5 mmol), i-Pr2NEt (15.7 mL, 90.2 mmol), and NMP solvent (75 mL). The reaction was heated in an oil bath at 160 C. for 18 hours. The reaction was cooled and concentrated under vacuum. The crude material was purified by column chromatography; 2 columns using a gradient of 20% EtOAc/Hexanes increasing to 50% EtOAc/Hexanes. The product 149 was isolated in 95% purity as determined by 1H NMR(400 MHz DMSO-d6,) 0 9.36 (s, 1H), 7.77 (s, 1H), 7.74 (d, J=4.4 Hz, 1H), 7.54 (d, J=4.8 Hz, 1H), 7.47 (m, 1H), 7.42 (t, J=2.0 Hz), 7.09 (t, J=8.0 Hz, 1H), 6.40 (dd, J=8.0 Hz, 2.0 Hz, 1H), 2.87 (s, 6H). Product was isolated in 77% yield, 3.83 g. |
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