Benzoyl chloride, 3,4-dichloro- → HCID 24964383, compound

HRID 1868282Notes

Reaction equation

HRID 1868282 reaction equation
Cl.[NH2:2][CH2:3][C:4]1[CH:13]=[CH:12][CH:11]=[C:10]2[C:5]=1[C:6](=[O:23])[N:7]([CH:15]1[CH2:20][CH2:19][C:18](=[O:21])[NH:17][C:16]1=[O:22])[C:8]([CH3:14])=[N:9]2.[Cl:24][C:25]1[CH:26]=[C:27]([CH:31]=[CH:32][C:33]=1[Cl:34])[C:28](Cl)=[O:29].C(N(CC)C(C)C)(C)C>C(#N)C>[Cl:24][C:25]1[CH:26]=[C:27]([CH:31]=[CH:32][C:33]=1[Cl:34])[C:28]([NH:2][CH2:3][C:4]1[CH:13]=[CH:12][CH:11]=[C:10]2[C:5]=1[C:6](=[O:23])[N:7]([CH:15]1[CH2:20][CH2:19][C:18](=[O:21])[NH:17][C:16]1=[O:22])[C:8]([CH3:14])=[N:9]2)=[O:29]

Participants

5

Reactant 3

HCID 76403Benzoyl chloride, 3,4-dichloro-HCID 81531DiisopropylethylamineHCID 249683051015474-47-1

Product 1

HCID 24964383HCID 24964383, compoundYield 70%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

To a stirred mixture of 3-(5-aminomethyl-2-methyl-4-oxo-4H-quinazolin-3-yl)-piperidine-2,6-dione hydrogen chloride (0.46 g, 1.4 mmol) in acetonitrile (10 mL), was added 3,4-dichloro-benzoyl chloride (0.34 g, 1.6 mmol) and N,N-diisopropyl ethylamine (0.54 mL, 3.3 mmol). The mixture was stirred at room temp for 15 minutes. The solvent was evaporated, and the residue was purified by flash column chromatography (Silica gel, methanol/methylene chloride 4%/96%) to give 3,4-dichloro-N-[3-(2,6-dioxo-piperidin-3-yl)-2-methyl-4-oxo-3,4-dihydro-quinazolin-5-ylmethyl]-benzamide as a white solid (450 mg, 70% yield); HPLC, Waters Symmetry C18, 5 μm, 3.9×150 mm, 1 mL/min, 240 nm, 10/90 CH3CN/0.1% H3PO4, gradient to 95/5 in 5 min, kept for 5 min, 6.60 min (99.6%); mp, 271-273° C.; 1HNMR (DMSO-d6) 2.17-2.22 (m, 1H, CHH), 2.58-2.90 (m, 6H, CHCH2, CH3), 4.97-5.09 (m, 2H, CH2NH), 5.26 (dd, J=6, 11 Hz, 1H, CH), 7.34-8.17 (m, 6H, Ar), 9.14 (t, J=5 Hz, 1H, CH2NH), 11.04 (s, 1H, NH); 13C NMR (DMSO-d6) δ 20.80, 23.29, 30.60, 42.30, 56.52, 117.66, 124.17, 125.56, 127.58, 129.28, 130.76, 131.31, 133.97, 134.11, 134.56, 140.39, 148.50, 154.86, 161.06, 164.10, 169.53, 172.62. LCMS MH=473, 475; Anal Calcd For C22H18N4O4Cl2+0.1 CH2Cl2: C, 55.09; H, 3.81; N, 11.63; Cl, 16.19. Found: C, 54.88; H, 3.60; N, 11.46; Cl, 16.38.

Workup

  1. customThe solvent was evaporated
  2. customthe residue was purified by flash column chromatography (Silica gel, methanol/methylene chloride 4%/96%)

Sources & evidence

ORD record
ord-ea82bf8dcd864f79a8da1e3fab4a3b40
Source dataset
uspto-grants-2009_12
Patent number
US07635700B2

Reaction notes

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