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Potassium Carbonate → HCID 86700345, compound

HRID 879525
Notes
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Reaction equation

HRID 879525 reaction equation
[C:1]([O:5][C@@H:6]([C:12]1[C:28]([CH3:29])=[CH:27][C:15]2[N:16]=[C:17]([C:19]3[C:24]([CH3:25])=[CH:23][N:22]=[C:21](Cl)[CH:20]=3)[S:18][C:14]=2[C:13]=1[C:30]1[CH:35]=[CH:34][C:33]([Cl:36])=[CH:32][CH:31]=1)[C:7]([O:9][CH2:10][CH3:11])=[O:8])([CH3:4])([CH3:3])[CH3:2].[CH3:37][N:38]1[C:46]2[C:41](=[CH:42][C:43](B(O)O)=[CH:44][CH:45]=2)[CH:40]=[N:39]1.C([O-])([O-])=O.[K+].[K+]>CCOC(C)=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>[C:1]([O:5][C@@H:6]([C:12]1[C:28]([CH3:29])=[CH:27][C:15]2[N:16]=[C:17]([C:19]3[C:24]([CH3:25])=[CH:23][N:22]=[C:21]([C:43]4[CH:42]=[C:41]5[C:46](=[CH:45][CH:44]=4)[N:38]([CH3:37])[N:39]=[CH:40]5)[CH:20]=3)[S:18][C:14]=2[C:13]=1[C:30]1[CH:35]=[CH:34][C:33]([Cl:36])=[CH:32][CH:31]=1)[C:7]([O:9][CH2:10][CH3:11])=[O:8])([CH3:3])([CH3:4])[CH3:2]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 11430Potassium CarbonateHCID 225589101-Methyl-1H-indazole-5-boronic acidHCID 86700344(S)-ethyl 2-(tert-butoxy)-2-(2-(2-chloro-5-methylpyridin-4-yl)-7-(4-chlorophenyl)-5-methylbenzo[d]thiazol-6-yl)acetate

Product 1

HCID 86700345HCID 86700345, compound

Reagents, catalysts & solvents 2

HCID 178418397
HCID 178418397, compound
Catalyst
HCID 8857Ethyl AcetateSolvent

Conditions

Temperature
120 °C

Procedure

A microwave vial containing (S)-ethyl 2-(tert-butoxy)-2-(2-(2-chloro-5-methylpyridin-4-yl)-7-(4-chlorophenyl)-5-methylbenzo[d]thiazol-6-yl)acetate (68 mg, 0.13 mmol) was charged with (1-methyl-1H-indazol-5-yl)boronic acid (44 mg, 0.25 mmol), then Pd(PPh3)4 (24 mg, 0.02 mmol). The vial was flushed with argon, diluted with dioxane (2.0 mL) and to this was added 2M aqueous K2CO3 (0.20 mL, 0.40 mmol). The vial was sealed, heated to 120° C. for 3 hours, and then allowed to cool to room temperature. The mixture was diluted with EtOAc, dried over Na2SO4, filtered, and concentrated in vacuo. The crude residue was purified by silica gel column chromatography (10-45% EtOAc/Hex gradient) to afford the desired product. LCMS-ESI+: calc'd for C36H36ClN4O3S: 639.2 (M+H+); Found: 639.2 (M+H+).

Workup

  1. customThe vial was flushed with argon
  2. additiondiluted with dioxane (2.0 mL)
  3. customThe vial was sealed
  4. temperatureto cool to room temperature
  5. dry with materialdried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customThe crude residue was purified by silica gel column chromatography (10-45% EtOAc/Hex gradient)

Sources & evidence

ORD record
ord-a68f86a7a6e646b0a700379fe28a01e1
Source dataset
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08987250B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes