Water → 4-Chloro-6-methyl-2-[2-(2-morpholin-4-yl-ethylamino)-ethylamino]-10,10-dioxo-10,11-dihydro-5-oxa-10lambda*6*-thia-dibenzo[a,d]cycloheptene-8-carboxylic acid methyl ester

HRID 1927479Notes

Reaction equation

HRID 1927479 reaction equation
[N:1]1([CH2:7][CH2:8][NH2:9])[CH2:6][CH2:5][O:4][CH2:3][CH2:2]1.[CH3:10][O:11][C:12]([C:14]1[CH:15]=[C:16]([CH3:36])[C:17]2[O:23][C:22]3[C:24]([Cl:32])=[CH:25][C:26]([NH:28][CH2:29][CH2:30]Cl)=[CH:27][C:21]=3[CH2:20][S:19](=[O:34])(=[O:33])[C:18]=2[CH:35]=1)=[O:13].O>[I-].C([N+](CCCC)(CCCC)CCCC)CCC.CN(C=O)C>[CH3:10][O:11][C:12]([C:14]1[CH:15]=[C:16]([CH3:36])[C:17]2[O:23][C:22]3[C:24]([Cl:32])=[CH:25][C:26]([NH:28][CH2:29][CH2:30][NH:9][CH2:8][CH2:7][N:1]4[CH2:6][CH2:5][O:4][CH2:3][CH2:2]4)=[CH:27][C:21]=3[CH2:20][S:19](=[O:33])(=[O:34])[C:18]=2[CH:35]=1)=[O:13]

Participants

6

Conditions

Temperature
120 °C

Procedure

2-Morpholin-4-yl-ethylamine (0.18 mL, 1.44 mmol) and tetrabutylammonium iodide (0.075 g, 0.2 mmol) were sequentially added with stirring to a solution of the carboxylic acid of Example 56k (0.5 g, 1.2 mmol) in dry DMF (1 mL). The reaction mixture was then stirred at 120° C. for 3 h in an atmosphere of nitrogen. It was treated with cold water and the solid that precipitated was filtered, washed with water, and dried. The solid was treated with a methanolic HCl solution (10 mL), and refluxed at 70° C. for 3 h. The reaction mixture was concentrated and treated with an aqueous sodium bicarbonate solution. The solid that precipitated was filtered, washed with water, dried and purified using flash chromatography (silica gel, 2% methanol/chloroform) to obtain the title compound. Yield: 0.150 g, (24.19%); 1H NMR (DMSO-d6): δ 2.40 (t, 4H, 2CH2), 2.50-2.60 (m, 4H, 2CH2), 3.10 (m, 4H, 2CH2), 3.15-3.20 (m, 4H, 2CH2), 3.90 (s, 3H, OCH3), 4.50 (t, 1H, NH), 5.15 (s, 2H, CH2), 6.10 (t, 1H, NH), 6.7 (s, 2H, 2Ar), 8.10 (s, 1H, Ar), 8.25 (s, 1H, Ar); MS: m/e (EI+) 524 (M+).

Workup

  1. customthe solid that precipitated
  2. filtrationwas filtered
  3. washwashed with water
  4. customdried
  5. additionThe solid was treated with a methanolic HCl solution (10 mL)
  6. temperaturerefluxed at 70° C. for 3 h
  7. concentrationThe reaction mixture was concentrated
  8. additiontreated with an aqueous sodium bicarbonate solution
  9. customThe solid that precipitated
  10. filtrationwas filtered
  11. washwashed with water
  12. customdried
  13. custompurified

Sources & evidence

ORD record
ord-cccde3a1b4064b64a14ec4ff48ab592c
Source dataset
uspto-grants-2012_05
Patent number
US08183234B2

Reaction notes

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