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4-Methylbenzaldehyde → 2-{(R)-1-[(3-Amino-propyl)-(4-methyl-benzyl)-amino]-but-3-ynyl}-7-chloro-3-phenylamino-3H-quinazolin-4-one

HRID 1517353
Notes
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Reaction equation

HRID 1517353 reaction equation
[Cl:1][C:2]1[CH:11]=[C:10]2[C:5]([C:6](=[O:38])[N:7]([NH:31][C:32]3[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=3)[C:8]([C@H:12]([NH:16][CH2:17][CH2:18][CH2:19][N:20]3C(=O)C4C(=CC=CC=4)C3=O)[CH2:13][C:14]#[CH:15])=[N:9]2)=[CH:4][CH:3]=1.[CH3:39][C:40]1[CH:47]=[CH:46][C:43]([CH:44]=O)=[CH:42][CH:41]=1>ClC(Cl)C.ClCCCl>[NH2:20][CH2:19][CH2:18][CH2:17][N:16]([CH2:39][C:40]1[CH:47]=[CH:46][C:43]([CH3:44])=[CH:42][CH:41]=1)[C@@H:12]([C:8]1[N:7]([NH:31][C:32]2[CH:33]=[CH:34][CH:35]=[CH:36][CH:37]=2)[C:6](=[O:38])[C:5]2[C:10](=[CH:11][C:2]([Cl:1])=[CH:3][CH:4]=2)[N:9]=1)[CH2:13][C:14]#[CH:15]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 77254-MethylbenzaldehydeHCID 57695432(R)-2-{3-[1-(7-chloro-4-oxo-3-phenylamino-3,4-dihydro-quinazolin-2-yl)-but-3-ynylamino]-propyl}-isoindole-1,3-dione

Product 1

HCID 251520012-{(R)-1-[(3-Amino-propyl)-(4-methyl-benzyl)-amino]-but-3-ynyl}-7-chloro-3-phenylamino-3H-quinazolin-4-one

Reagents, catalysts & solvents 2

HCID 111,2-DichloroethaneSolvent
HCID 6365
1,1-Dichloroethane
Solvent

Procedure

A solution of 2-{3-[(R)-1-(7-chloro-4-oxo-3-phenylamino-3,4-dihydro-quinazolin-2-yl)-but-3-ynylamino]-propyl}-isoindole-1,3-dione (52.6 mg, 0.10 μmol) in dichloroethane (0.5 mL) was treated with respective aldehydes (in this case 4-methyl benzaldehyde, 0.25M solution in DCE, 0.8 mL, 0.2 μmol). The mixture was stirred at room temperature for 16 h. Solvent was removed under reduced pressure. Residue was taken in MeOH (1.0 mL) and treated with hydrazine (0.25 mL). Reaction mixture was stirred at room temperature for 16 h and solvent removed under reduced pressure. The product was purified with reverse phase chromatography to give final product. Yield (14 mg, 24%). LCMS: m/e 500 [M+H].

Workup

  1. customSolvent was removed under reduced pressure
  2. additiontreated with hydrazine (0.25 mL)
  3. customReaction mixture
  4. stirringwas stirred at room temperature for 16 h
  5. customsolvent removed under reduced pressure
  6. customThe product was purified with reverse phase chromatography

Sources & evidence

ORD record
ord-0b786d93ee0d40a1860b04ea90dc2b12
Source dataset
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08232285B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes