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Hydrochloric Acid → 1-(5-Tert-butylisoxazol-3-yl)-3-(3-(6-methoxyquinazolin-4-yloxy)phenyl)urea

HRID 631182
Notes
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Reaction equation

HRID 631182 reaction equation
[C:1]([C:5]1[O:9][N:8]=[C:7]([NH:10][C:11]([NH:13][C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([OH:20])[CH:15]=2)=[O:12])[CH:6]=1)([CH3:4])([CH3:3])[CH3:2].Cl[C:22]1[C:31]2[C:26](=[CH:27][CH:28]=[C:29]([O:32][CH3:33])[CH:30]=2)[N:25]=[CH:24][N:23]=1.Cl>CCOC(C)=O.O1CCOCC1>[C:1]([C:5]1[O:9][N:8]=[C:7]([NH:10][C:11]([NH:13][C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([O:20][C:22]3[C:31]4[C:26](=[CH:27][CH:28]=[C:29]([O:32][CH3:33])[CH:30]=4)[N:25]=[CH:24][N:23]=3)[CH:15]=2)=[O:12])[CH:6]=1)([CH3:4])([CH3:2])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 313Hydrochloric AcidHCID 111831744-Chloro-6-methoxyquinazolineHCID 668765951-(5-Tert-butylisoxazol-3-yl)-3-(3-hydroxyphenyl)urea

Product 1

HCID 442431301-(5-Tert-butylisoxazol-3-yl)-3-(3-(6-methoxyquinazolin-4-yloxy)phenyl)urea

Reagents, catalysts & solvents 2

HCID 8857Ethyl AcetateSolvent
HCID 31275
1,4-Dioxane
Solvent

Procedure

To 1-(5-tert-butylisoxazol-3-yl)-3-(3-hydroxyphenyl)urea from Example 1A (275 mg, 1 mmol) was added 4-chloro-6-methoxyquinazoline (194 mg, 1 mmol) according to the procedure described in Example 1B Step 1. The resulting compound was dissolved in EtOAc and 4N HCl in dioxane was added. The mixture was sonicated, stirred and concentrated in vacuo to give 1-(5-tert-butylisoxazol-3-yl)-3-(3-(6-methoxyquinazolin-4-yloxy)phenyl)urea as the mono-hydrochloride (299 mg, 0.64 mmol, 64%). 1H NMR (300 MHz, DMSO-d6) δ 9.65 (s, 1H), 9.20 (s, 1H), 8.65 (s, 1H), 7.95 (d, 1H), 7.75-7.60 (m, 3H), 7.42 (t, 1H), 7.29 (d, 1H), 6.98 (d, 1H), 6.48 (s, 1H), 3.98 (s, 3H), 1.29 (s, 9H); LC-MS (ESI) m/z 434 (M+H)+.

Workup

  1. customThe mixture was sonicated
  2. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-312694029e2945e1ab331e0568aca830
Source dataset
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09320739B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes