Methanol → HCID 67258841, compound

HRID 1618804Notes

Reaction equation

HRID 1618804 reaction equation
[O:1]([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=1[NH2:14])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH2:15]1[O:25][C:24]2[C:17](=[C:18]([CH:21]=[CH:22][CH:23]=2)[CH:19]=O)[O:16]1.CO.[BH4-].[Na+]>C(O)=O>[O:25]1[C:24]2[CH:23]=[CH:22][CH:21]=[C:18]([CH2:19][NH:14][C:9]3[CH:10]=[CH:11][CH:12]=[CH:13][C:8]=3[O:1][C:2]3[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=3)[C:17]=2[O:16][CH2:15]1

Participants

6

Conditions

Temperature
90 °C

Procedure

A mixture of 2-phenoxy-phenylamine (410 mg, 2.22 mmol) and 2,3-(methylenedioxy)-benzaldehyde (500 mg, 3.33 mmol) was heated at 90° C. for 2 h under nitrogen. The reaction was cooled to 0° C. and MeOH (4 mL) was added, followed by NaBH4 (253 mg, 6.70 mmol) in portions over 20 min. The mixture was stirred at room temperature for 24 h. Formic acid (0.4 mL was added and the mixture stirred for 15 min. The solvents were removed in vacuo, the residue quenched with saturated aqueous NaHCO3 (50 mL), extracted with DCM (2×30 mL), dried over MgSO4, filtered and solvents removed in vacuo. The crude material was purified by silica gel chromatography eluting with petroleum spirit (A) and ethyl acetate (B) (5% B, 80 g, 4.0 CV, 60 mL/min) to afford 360 mg (51%) of N-(benzo[1,3]dioxol-4-ylmethyl)-N-(2-phenyloxy-phenyl) amine as a white solid.

Workup

  1. temperatureThe reaction was cooled to 0° C.
  2. stirringthe mixture stirred for 15 min
  3. customThe solvents were removed in vacuo
  4. customthe residue quenched with saturated aqueous NaHCO3 (50 mL)
  5. extractionextracted with DCM (2×30 mL)
  6. dry with materialdried over MgSO4
  7. filtrationfiltered
  8. customsolvents removed in vacuo
  9. customThe crude material was purified by silica gel chromatography
  10. washeluting with petroleum spirit (A) and ethyl acetate (B) (5% B, 80 g, 4.0 CV, 60 mL/min)

Sources & evidence

ORD record
ord-cde44983d09e4c5e80ea5e144d252b74
Source dataset
uspto-grants-2014_07
Patent number
US08771641B2

Reaction notes

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