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Chemical Structure| 20577-73-5
Chemical Structure| 20577-73-5
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Product Details of [ 20577-73-5 ]

CAS No. :20577-73-5 MDL No. :MFCD00225528
Formula : C11H10O4 Boiling Point : -
Linear Structure Formula :C6H5COCH2COCOOCH3 InChI Key :AQYAHPDSJAFBOS-UHFFFAOYSA-N
M.W : 206.20 Pubchem ID :308117
Synonyms :

Safety of [ 20577-73-5 ]

Signal Word:Warning Class:
Precautionary Statements:P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501 UN#:
Hazard Statements:H302-H315-H319-H335 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 20577-73-5 ]

* 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 [ 20577-73-5 ]
  • Downstream synthetic route of [ 20577-73-5 ]

[ 20577-73-5 ] Synthesis Path-Upstream   1~7

  • 1
  • [ 20577-73-5 ]
  • [ 5071-61-4 ]
Reference: [1] Bioorganic and Medicinal Chemistry Letters, 2013, vol. 23, # 1, p. 273 - 280
  • 2
  • [ 20577-73-5 ]
  • [ 56426-35-8 ]
YieldReaction ConditionsOperation in experiment
69% at 118℃; for 2 h; Methyl 2,4-dioxo-4-phenylbutanoate (470mg, 2.28mmol) was dissolved in AcOH (5mL), hydrazine hydrate (122uL, 2.51mmol) was added and the reaction mixture was heated under reflux at 118°C for 2h. The reaction mixture was concentrated in vacuo to give the title compound (320mg, 69percent) as a yellow solid. LCMS: ES+ 203.0 [MH]+.
69% at 118℃; for 2 h; Methyl 2,4-dioxo-4-phenylbutanoate (470mg, 2.28mmol) was dissolved in AcOH (5mL), hydrazine hydrate (122uL, 2.Slmmol) was added and the reaction mixture was heated under reflux at 118°C for 2h. The reaction mixture was concentrated in vacuo to0 . + +give the title compound (320mg, 69/o) as a yellow solid. LCMS: ES 203.0 [IVIH]
1.3 g at 20℃; 6.02.02.39
5-phenyl-1H-pyrazole-3-carboxylic acid methyl ester
983 mg hydrazine acetate was added to 2 g 2,4-Dioxo-4-phenyl-butyric acid methyl ester in 10 mL concentrated acetic acid.
The mixture was stirred over night at RT. Then water was added.
The precipitate was filtered, stirred with diisopropylether and again filtered to give 1.3 g desired product. Rt: 1.39 min (method O), (M+H)+: 203
Reference: [1] Patent: WO2014/20350, 2014, A1, . Location in patent: Page/Page column 51
[2] Patent: WO2014/20351, 2014, A1, . Location in patent: Page/Page column 36
[3] Journal of Medicinal Chemistry, 1998, vol. 41, # 13, p. 2390 - 2410
[4] Bioorganic and Medicinal Chemistry Letters, 2013, vol. 23, # 1, p. 273 - 280
[5] Patent: US2013/143870, 2013, A1, . Location in patent: Paragraph 0547; 0548
  • 3
  • [ 20577-73-5 ]
  • [ 23088-52-0 ]
Reference: [1] Journal of Heterocyclic Chemistry, 2003, vol. 40, # 6, p. 1097 - 1102
  • 4
  • [ 20577-73-5 ]
  • [ 51677-09-9 ]
Reference: [1] Journal of Medicinal Chemistry, 1998, vol. 41, # 13, p. 2390 - 2410
[2] Journal of Medicinal Chemistry, 2018, vol. 61, # 18, p. 8337 - 8352
[3] Journal of Molecular Structure, 2009, vol. 919, # 1-3, p. 47 - 53
[4] Indian Journal of Heterocyclic Chemistry, 2011, vol. 20, # 3, p. 279 - 280
[5] Journal of Heterocyclic Chemistry, 2003, vol. 40, # 6, p. 1097 - 1102
[6] Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2012, vol. 51, # 9, p. 1369 - 1375
[7] Bioorganic and Medicinal Chemistry Letters, 2013, vol. 23, # 1, p. 273 - 280
[8] Indian Journal of Heterocyclic Chemistry, 2012, vol. 22, # 1, p. 27 - 30
  • 5
  • [ 20577-73-5 ]
  • [ 51677-09-9 ]
Reference: [1] Archiv der Pharmazie, 1995, vol. 328, # 5, p. 437 - 443
  • 6
  • [ 20577-73-5 ]
  • [ 10250-64-3 ]
Reference: [1] Patent: EP1176140, 2002, A1,
  • 7
  • [ 20577-73-5 ]
  • [ 144537-05-3 ]
Reference: [1] Indian Journal of Heterocyclic Chemistry, 2011, vol. 20, # 3, p. 279 - 280
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