Cesium carbonate → 1-(5-tert-butylisoxazol-3-yl)-3-{3-[7-methoxy-5-(tetrahydro-2H-pyran-4-yloxy)quinazolin-4-yloxy]phenyl}urea

HRID 1917796Notes

Reaction equation

HRID 1917796 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][C:28]([O:39][CH3:40])=[CH:29][C:30]=2[O:32][CH:33]2[CH2:38][CH2:37][O:36][CH2:35][CH2:34]2)[N:25]=[CH:24][N:23]=1.C([O-])([O-])=O.[Cs+].[Cs+]>C(O)(C)C>[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][C:28]([O:39][CH3:40])=[CH:29][C:30]=4[O:32][CH:33]4[CH2:34][CH2:35][O:36][CH2:37][CH2:38]4)[N:25]=[CH:24][N:23]=3)[CH:15]=2)=[O:12])[CH:6]=1)([CH3:4])([CH3:2])[CH3:3]

Participants

5

Reactant 3

HCID 10796Cesium carbonateHCID 668765951-(5-Tert-butylisoxazol-3-yl)-3-(3-hydroxyphenyl)ureaHCID 859128834-chloro-7-(methyloxy)-5-(tetrahydro-2H-pyran-4-yloxy)quinazoline

Product 1

HCID 582678061-(5-tert-butylisoxazol-3-yl)-3-{3-[7-methoxy-5-(tetrahydro-2H-pyran-4-yloxy)quinazolin-4-yloxy]phenyl}ureaYield 28%

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent

Procedure

Using the procedure described in Example 92A Step 3, using 1-(5-tert-butylisoxazol-3-yl)-3-(3-hydroxyphenyl)urea (0.193 g, 0.7 mmol) from Example 1A, 4-chloro-7-methoxy-5-(tetrahydro-2H-pyran-4-yloxy)quinazoline from the previous step (0.212 g, 0.72 mmol), and Cs2CO3 (0.326 g, 1 mmol) in isopropanol (10 mL) at 60° C. for 4 hours, to afford 1-(5-tert-butylisoxazol-3-yl)-3-{3-[7-methoxy-5-(tetrahydro-2H-pyran-4-yloxy)quinazolin-4-yloxy]phenyl}urea as solid (0.104 g, 28%). 1H NMR (300 MHz, CDCl3) δ 9.4 (s, 1H), 8.58 (s, 1H), 7.94 (s, 1H), 7.56 (s, 1H), 7.37 (d and s, 2H), 6.95 (d and s, 2H), 6.59 (s, 1H), 5.89 (s, 1H), 4.76 (m 1H), 3.99 (m, 2H), 3.96 (s, 3H), 3.66 (m, 2H), 2.06 (m, 2H), 1.95 (m, 2H), 1.33 (s, 9H); LC-MS (ESI) m/z 534 (M+H)+.

Workup

  1. customat 60° C.
  2. customfor 4 hours

Sources & evidence

ORD record
ord-bf4ae5be301e4d12978a6242b6398f95
Source dataset
uspto-grants-2013_12
Patent number
US08618289B2

Reaction notes

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