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Chemical Structure| 623577-63-9 Chemical Structure| 623577-63-9

Structure of 623577-63-9

Chemical Structure| 623577-63-9

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Product Details of [ 623577-63-9 ]

CAS No. :623577-63-9
Formula : C8H5BrFN3
M.W : 242.05
SMILES Code : FC1=CC=C(N2N=C(Br)N=C2)C=C1
MDL No. :MFCD25965474

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Application In Synthesis of [ 623577-63-9 ]

* 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.

  • Downstream synthetic route of [ 623577-63-9 ]

[ 623577-63-9 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 7343-33-1 ]
  • [ 121900-00-3 ]
  • [ 623577-63-9 ]
YieldReaction ConditionsOperation in experiment
45% With copper diacetate; N,N,N',N'-tetramethylguanidine; In tetrahydrofuran; at 50℃; for 16h; A mixture of 3-brom-1, 2, 4-lH-triazole (prepared as described in Chemische Berichte 1967, 100, 2250) (1.0 g, 6.76 mmol), tri (4- fluorophenyl) bismuth acetate (prepared by the method described in Synthetic Communications 1996,4569) (4.53 g, 7.4 mmol), copper (II) acetate (0.25 g, 20molpercent) and N, N, N', N'-tetramethylguanidine (1.7 mL, 13.5 mmol) in dry tetrahydrofuran (30 mL) was stirred at 50OC under a balloon of air for 16 hr. The suspension was poured into water (100 mL) and 1M citric acid (30 mL) to give a suspension of pH 3-4. Ethyl acetate (100 mL) was added and the mixture was filtered through Celite , washing the filter cake with ethyl acetate (100 mL). The two phases of the filtrate were separated and the organic layer was dried (Na2SO4) and concentrated. Flash column chromatography on silica gel, eluting with 25percent then 40percent ethyl acetate-isohexane, gave 1- (4-fluorophenyl)-3-bromo- 1,2, 4-lH-triazole as an off-white solid (0.74 g, 45percent). 8 (iH, 400MHz, CDCl3) 7.18-7. 24 (2H, m), 7.60-7. 65 (2H, m), 8.37 (1H, s). MS (ES+) 242,244 ([MH] +).
  • 2
  • [ 7343-33-1 ]
  • [ 121900-00-3 ]
  • [ 623577-63-9 ]
 

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