Chloride → 7-Phenylazepan-2-one

HRID 263483Notes

Reaction equation

HRID 263483 reaction equation
[C:1]1([CH:7]2[CH2:12][CH2:11][CH2:10][CH2:9][C:8]2=[N:13]O)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.N1C=CC=CC=1.C1(C)C=CC(S(Cl)(=O)=[O:28])=CC=1.[Cl-]>O>[C:1]1([CH:7]2[NH:13][C:8](=[O:28])[CH2:9][CH2:10][CH2:11][CH2:12]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1

Participants

6

Reactant 4

HCID 312ChlorideHCID 1049PyridineHCID 73974-Toluenesulfonyl chlorideHCID 2758632-Phenylcyclohex-anone oxime

Product 1

HCID 105595527-Phenylazepan-2-one

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
0 °C

Procedure

To a 250 ml round-bottomed flask equipped with N2 inlet were added 7.33 g (38.8 mmol) 2-phenylcyclohexanone oxime (Chem. Ber., 55, 3664 (1922)) and 25 ml pyridine. The solution was cooled to 0° C., and 9.61 g (50.4 mmol) p-toluenesulfonyl chloride was added. The reaction was allowed to stir overnight as the ice melted, and then poured into water. Excess chloride was skimmed off the surface, and the reaction mixture was stirred at pH 4 for 3 hours. The precipitate was filtered, washed with water, and dried to a solid, 4.65 g (55%), mp 135°-137° C. (J. Am. Chem. Soc., 82, 4671 (1960) gives mp 139°-141° C.).

Workup

  1. customTo a 250 ml round-bottomed flask equipped with N2 inlet
  2. filtrationThe precipitate was filtered
  3. washwashed with water
  4. customdried to a solid, 4.65 g (55%), mp 135°-137° C. (J. Am. Chem. Soc., 82, 4671 (1960) gives mp 139°-141° C.)

Sources & evidence

ORD record
ord-63666642e3534e789eac5e0c6485670b
Source dataset
uspto-grants-1997_07
Patent number
US05643904

Reaction notes

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