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Chemical Structure| 32046-86-9 Chemical Structure| 32046-86-9

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Chemical Structure| 32046-86-9

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Product Details of [ 32046-86-9 ]

CAS No. :32046-86-9
Formula : C7H4ClN3O2
M.W : 197.58
SMILES Code : O=[N+](C1=C2C(NC=N2)=CC=C1Cl)[O-]

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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.

  • Downstream synthetic route of [ 32046-86-9 ]

[ 32046-86-9 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 144729-44-2 ]
  • [ 122-51-0 ]
  • [ 32046-86-9 ]
YieldReaction ConditionsOperation in experiment
72% With toluene-4-sulfonic acid; In tetrahydrofuran; at 50℃; for 2.0h; Step 2: S3 [0105] S3 was prepared analogously to a literature procedure (Valdez, J.; Cedillo, R.; Henandez-Campos, A.; Yepez, L.; Hernandez-Luis, F.; Navarrete- Vazquez, G.; Tapia, A.; Cortes, R.; Hernandez, M.; Castillo, R. Bioorg. Med. Chem. Lett. 2002, 12, 2221-2224): A solution of S2 (75 mg, 0.40 mmol) in THF (1.5 mL) was treated sequentially with triethyl orthoformate (178 mg, 1.2 mmol) and -toluenesulfonic acid (7.6 mg, 200 μ, 0.04 mmol). The reaction mixture was stirred at 50 C, the reaction was monitored by LCMS. After 2 h, the solvent was removed under a stream of nitrogen gas, and the resulting residue was partitioned between ethyl acetate and water. The organic layer was washed with saturated aqueous a2C03, dried over MgS04, and concentrated under reduced pressure to provide S3 as a light brown solid (57 mg, 72%): XH NMR (400 MHz, Acetone-d6) 8.42 (s, 1H), 8.03 (d, 1H, J = 8.2 Hz), 7.87 (d, 1H, J = 8.2 Hz), 7.48 (bs, 1H). LCMS (ESI) calc'd for [C7H5C1N302]"([M-H]"): m/z 198.0, found 198.0.
 

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