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[ CAS No. 683-98-7 ] {[proInfo.proName]}

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Chemical Structure| 683-98-7
Chemical Structure| 683-98-7
Structure of 683-98-7 * Storage: {[proInfo.prStorage]}
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Product Details of [ 683-98-7 ]

CAS No. :683-98-7 MDL No. :MFCD06248118
Formula : C3H3BrF2O2 Boiling Point : -
Linear Structure Formula :- InChI Key :IOBCLXSGWMFVQJ-UHFFFAOYSA-N
M.W : 188.96 Pubchem ID :2783339
Synonyms :

Safety of [ 683-98-7 ]

Signal Word:Danger Class:3,8
Precautionary Statements:P501-P261-P270-P240-P210-P233-P243-P241-P242-P271-P264-P280-P370+P378-P303+P361+P353-P301+P330+P331-P363-P301+P312+P330-P304+P340+P310-P305+P351+P338+P310-P403+P235-P405 UN#:2924
Hazard Statements:H302+H312+H332-H314-H225 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 683-98-7 ]

* 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.

  • Upstream synthesis route of [ 683-98-7 ]
  • Downstream synthetic route of [ 683-98-7 ]

[ 683-98-7 ] Synthesis Path-Upstream   1~2

  • 1
  • [ 683-98-7 ]
  • [ 121-17-5 ]
  • [ 320-88-7 ]
Reference: [1] Journal of Fluorine Chemistry, 1994, vol. 66, # 2, p. 167 - 170
  • 2
  • [ 683-98-7 ]
  • [ 139-85-5 ]
  • [ 151103-08-1 ]
YieldReaction ConditionsOperation in experiment
90.3% With hydroxylamine In water; acetonitrile at 45℃; 1) hydroxylamine (50wtpercent aqueous solution) (16.5g),3,4-hydroxybenzaldehyde (60.8g, 500mmol),Difluoro methyl bromoacetate (106.6g, 525mmol)Acetonitrile was added to 45 Contacting the reaction is carried out,After completion of the reaction,The reaction solution was added water,Extracted with dichloromethane,concentrate,Recrystallized from petroleum ether to give 3-hydroxy-4-fluoro-methoxybenzaldehyde84.9g,Yield 90.3percent,Purity of 98.66percent.
Reference: [1] Patent: CN105523922, 2016, A, . Location in patent: Paragraph 0023; 0031
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