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CAS No. : | 62150-46-3 | MDL No. : | MFCD04113813 |
Formula : | C6H5BrN2O | Boiling Point : | 333.5°C at 760 mmHg |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 201.02 | Pubchem ID : | 693291 |
Synonyms : |
|
TPSA :Topological Polar Surface Area | - | H-Bond Acceptor Count : | - |
XLogP3 : | - | H-Bond Donor Count : | - |
SP3 : | - | Rotatable Bond Count : | - |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
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Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1.5 kg | With bromine; sodium hydroxide In water at -10 - 80℃; for 2 h; Large scale | third step:Add water to the 50 liter reactor, sodium hydroxide, stir to reduce the temperature to 0 °, add bromine, drop the temperature to minus 10 degrees.Add the amide in batches and stir for one hour.Then heat to 80 degrees for one hour.The TCL was detected until the end of the reaction, and the temperature was lowered to room temperature and centrifuged to obtain a crude product which was crystallized from toluene to give a pure product of 1.5 kg.The ratio of each raw material in the third step of Example 1 and the reaction conditions of the third step and the purity and yield of the obtained product are shown in Table 2. |
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