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Sodium Carbonate → Methyl 4-(3-(7-(3,4-dimethoxyphenylamino)thiazolo[5,4-d]pyrimidin-5-yl)benzamido)-2-methoxybenzoate

HRID 1410023
Notes
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Reaction equation

HRID 1410023 reaction equation
Cl[C:2]1[N:3]=[C:4]([NH:11][C:12]2[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[C:14]([O:20][CH3:21])[CH:13]=2)[C:5]2[N:10]=[CH:9][S:8][C:6]=2[N:7]=1.[CH3:22][O:23][C:24]1[CH:33]=[C:32]([NH:34][C:35](=[O:51])[C:36]2[CH:41]=[CH:40][CH:39]=[C:38](B3OC(C)(C)C(C)(C)O3)[CH:37]=2)[CH:31]=[CH:30][C:25]=1[C:26]([O:28][CH3:29])=[O:27].C([O-])([O-])=O.[Na+].[Na+]>O1CCOCC1.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH3:21][O:20][C:14]1[CH:13]=[C:12]([NH:11][C:4]2[C:5]3[N:10]=[CH:9][S:8][C:6]=3[N:7]=[C:2]([C:38]3[CH:37]=[C:36]([CH:41]=[CH:40][CH:39]=3)[C:35]([NH:34][C:32]3[CH:31]=[CH:30][C:25]([C:26]([O:28][CH3:29])=[O:27])=[C:24]([O:23][CH3:22])[CH:33]=3)=[O:51])[N:3]=2)[CH:17]=[CH:16][C:15]=1[O:18][CH3:19]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 10340Sodium CarbonateHCID 68379343HCID 68379343, compoundHCID 715341855-chloro-N-(3,4-dimethoxyphenyl)thiazolo[5,4-d]pyrimidin-7-amine

Product 1

HCID 68379396Methyl 4-(3-(7-(3,4-dimethoxyphenylamino)thiazolo[5,4-d]pyrimidin-5-yl)benzamido)-2-methoxybenzoateYield 64%

Reagents, catalysts & solvents 3

HCID 178418397
HCID 178418397, compound
Catalyst
HCID 962WaterSolvent
HCID 312751,4-DioxaneSolvent

Procedure

To a solution of 5-chloro-N-(3,4-dimethoxyphenyl)thiazolo[5,4-d]pyrimidin-7-amine (155 mg, 0.48 mmol) and methyl 2-methoxy-4-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamido)benzoate (180 mg, 0.44 mmol) in 10 mL of 1,4-dioxane and 1 mL of water was added Na2CO3 (140 mg, 1.32 mmol) followed by Pd(PPh3)4 (26 mg) under nitrogen with stirring. The mixture was refluxed for 15 hours under nitrogen. After cooled, the solvent was evaporated by rotary evaporation. The residue was purified by column chromatography on silica gel eluting with (petroleum ether:EtOAc=1:1) to give methyl 4-(3-(7-(3,4-dimethoxyphenylamino)thiazolo[5,4-d]pyrimidin-5-yl)benzamido)-2-methoxybenzoate (160 mg, 64%) as solid. LC-MS: 572 [M+H]+, tR=1.62 min.

Workup

  1. temperatureThe mixture was refluxed for 15 hours under nitrogen
  2. temperatureAfter cooled
  3. customthe solvent was evaporated by rotary evaporation
  4. customThe residue was purified by column chromatography on silica gel eluting with (petroleum ether:EtOAc=1:1)

Sources & evidence

ORD record
ord-1c81ba56252545c4914916bbb5b824fa
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08921383B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes