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[ CAS No. 1679-64-7 ]

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Chemical Structure| 1679-64-7
Chemical Structure| 1679-64-7
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CAS No. :1679-64-7 MDL No. :MFCD00002557
Formula : C9H8O4 Boiling Point : 331.6°C at 760 mmHg
Linear Structure Formula :- InChI Key :-
M.W :180.16 g/mol Pubchem ID :15513
Synonyms :

Safety of [ 1679-64-7 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P280-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H332-H335 Packing Group:N/A
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Application In Synthesis of [ 1679-64-7 ]

  • Upstream synthesis route of [ 1679-64-7 ]
  • Downstream synthetic route of [ 1679-64-7 ]

[ 1679-64-7 ] Synthesis Path-Upstream   1~14

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  • [ 74-95-3 ]
  • [ 23405-32-5 ]
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YieldReaction ConditionsOperation in experiment
95% for 15 h; Heating / reflux 4-Chlorocarbonyl-benzoic acid methyl ester (2).; To a mixture of Terephtalic acid monomethyl ester, compound 1 (lo.oog, 0.056 mol) and SOCl2 (somL) was added a drop of DMF and the mixture was boiled at refluxed for 15I1. The excess SOCl2 was removed in vacuo to afford compound 2 (io.57g) as a white solid in 95percent yield. This compound was used for the next step without further purification.
93% for 1 h; Reflux Reaction conditions to obtain compound 49 (4-Chlorocarbonyl-benzoic acid methyl ester): Terephthalic acid monomethyl ester (0.25 g, 1.4 mmol) was dissolved in thionyl chloride (5 ml) and refluxed for 1 hour. Excess thionyl chloride was removed in vacuo to give an off-white solid. The solid was dissolved in anhydrous benzene (7 ml), and the solvent was evaporated. The procedure was repeated 3 times, and the solid was dried at high temperatures to remove residual solvent. 273 mg was obtained at 93percent yield.
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  • [ 62-53-3 ]
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