3-Chloro-6-hydroxyacetophenone → Seclidemstat

HRID 877653Notes

Reaction equation

HRID 877653 reaction equation
[CH3:1][N:2]1[CH2:7][CH2:6][N:5]([S:8]([C:11]2[CH:12]=[C:13]([CH:18]=[CH:19][CH:20]=2)[C:14]([NH:16][NH2:17])=[O:15])(=[O:10])=[O:9])[CH2:4][CH2:3]1.[Cl:21][C:22]1[CH:23]=[CH:24][C:25]([OH:31])=[C:26]([C:28](=O)[CH3:29])[CH:27]=1>CO.C(O)(=O)C>[Cl:21][C:22]1[CH:23]=[CH:24][C:25]([OH:31])=[C:26](/[C:28](=[N:17]/[NH:16][C:14](=[O:15])[C:13]2[CH:18]=[CH:19][CH:20]=[C:11]([S:8]([N:5]3[CH2:6][CH2:7][N:2]([CH3:1])[CH2:3][CH2:4]3)(=[O:10])=[O:9])[CH:12]=2)/[CH3:29])[CH:27]=1

Participants

5

Reactant 2

HCID 740613-Chloro-6-hydroxyacetophenoneHCID 71258144HCID 71258144, compound

Product 1

HCID 135565033SeclidemstatYield 53.4%

Reagents, catalysts & solvents 2

HCID 176Acetic AcidSolventHCID 887MethanolSolvent

Conditions

Temperature
120 °C

Procedure

3-((4-methylpiperazin-1-yl)sulfonyl)benzohydrazide (85 mg, 0.285 mmol) and 1-(5-chloro-2-hydroxyphenyl)ethanone (48.6 mg, 0.285 mmol) was dissolved in methanol (Volume: 4 ml) in the presence of acetic acid as a catalyst and then the reaction mixture was heated via microwave irradiation to 120° C. for 30 min. Reaction was monitored by TLC. After completion of the reaction, following cooling, the solvent was removed by vacuum and the resulting crude material was purified by flash column chromatography (2% CH3OH/CH2Cl2) afforded the product (E)-N′-(1-(5-chloro-2-hydroxyphenyl)ethylidene)-3-((4-methylpiperazin-1-yl)sulfonyl)benzohydrazide (70 mg, 0.152 mmol, 53.4% yield) as a solid. 1H NMR (CD3OD, 400 MHz): δ 8.29 (s, 1H), 8.21 (d, 1H, J=7.2 Hz), 7.99 (d, 1H, J=8.0 Hz), 7.78 (t, 1H, J=7.6 Hz), 7.59 (d, 1H, J=2.4 Hz), 7.27 (dd, 1H, J=2.4 & 9.2 Hz), 6.92 (d, 1H, J=8.8 Hz), 3.09 (m, 4H), 2.54 (m, 4H), 2.48 (s, 3H), 2.28 (s, 3H). Mass [M+H]+:450.9

Workup

  1. customReaction
  2. customAfter completion of the reaction
  3. temperaturefollowing cooling
  4. customthe solvent was removed by vacuum
  5. customthe resulting crude material was purified by flash column chromatography (2% CH3OH/CH2Cl2)

Sources & evidence

ORD record
ord-6c1d50121d9043e1968e1d515c2d29a4
Source dataset
uspto-grants-2015_03
Patent number
US08987335B2

Reaction notes

Loading…