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CAS No. : | 77771-03-0 | MDL No. : | MFCD00143093 |
Formula : | C7H6BrFO | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | HNVVROFWONXXGO-UHFFFAOYSA-N |
M.W : | 205.02 | Pubchem ID : | 2773351 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 | UN#: | |
Hazard Statements: | H315-H319 | Packing Group: | |
GHS Pictogram: |
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* 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 |
---|---|---|
With hydrogenchloride; sodium borohydrid;aluminium trichloride; In diethylene glycol dimethyl ether; | EXAMPLE 3 STR11 4-Fluoro-3-bromo-benzyl alcohol from <strong>[206551-41-9]fluorobromobenzoic acid methyl ester</strong>: First 3.8 g (0.1 mole) of sodium borohydride and then 4.5 g (0.033 mole) of aluminum chloride were added in portions to a solution of 23.3 g (0.1 mole) of 4-fluoro-3-bromobenzoic acid methyl ester in 50 ml of diglyme at 5° C. The mixture was subsequently stirred, without cooling, until the exothermic reaction had ended (a rise in temperature up to about 50° C.) and the reaction was then allowed to go to completion in the course of 1 hour at 100° C. The reaction solution was then poured onto a mixture of 125 ml of icewater and 12 ml of concentrated hydrochloric acid and the benzyl alcohol which had separated out was separated off and distilled in vacuo. 18.7 g (91percent of theory) of 4-fluoro-3-bromobenzyl alcohol were obtained in this manner as a colorless oil with a boiling point of 65° to 70° C. (0.1 mbar). |
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