5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine → (S)-tert-butyl 3-(2-(5-chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-ylamino)pyrrolidine-1-carboxylate

HRID 526897Notes

Reaction equation

HRID 526897 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]2[C:10](B3OC(C)(C)C(C)(C)O3)=[CH:9][N:8]([S:20]([C:23]3[CH:28]=[CH:27][C:26]([CH3:29])=[CH:25][CH:24]=3)(=[O:22])=[O:21])[C:5]2=[N:6][CH:7]=1.Cl[C:31]1[N:36]=[C:35]([NH:37][C@H:38]2[CH2:42][CH2:41][N:40]([C:43]([O:45][C:46]([CH3:49])([CH3:48])[CH3:47])=[O:44])[CH2:39]2)[C:34]([F:50])=[CH:33][N:32]=1>COCCOC.C([O-])([O-])=O.[Na+].[Na+].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>[Cl:1][C:2]1[CH:3]=[C:4]2[C:10]([C:31]3[N:36]=[C:35]([NH:37][C@H:38]4[CH2:42][CH2:41][N:40]([C:43]([O:45][C:46]([CH3:48])([CH3:47])[CH3:49])=[O:44])[CH2:39]4)[C:34]([F:50])=[CH:33][N:32]=3)=[CH:9][N:8]([S:20]([C:23]3[CH:24]=[CH:25][C:26]([CH3:29])=[CH:27][CH:28]=3)(=[O:21])=[O:22])[C:5]2=[N:6][CH:7]=1

Participants

6

Reactant 2

HCID 575977475-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridineHCID 86667413(S)-tert-butyl 3-(2-chloro-5-fluoropyrimidin-4-ylamino)pyrrolidine-1-carboxylate2×

Product 1

HCID 68007448(S)-tert-butyl 3-(2-(5-chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-ylamino)pyrrolidine-1-carboxylateYield 42%

Reagents, catalysts & solvents 3

HCID 178418397HCID 178418397, compoundCatalystHCID 80711,2-DimethoxyethaneSolventHCID 10340Sodium CarbonateSolvent

Conditions

Temperature
90 °C

Procedure

A solution of 5-chloro-1-(p-tolylsulfonyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrrolo[2,3-b]pyridine (2.41 g, 5.60 mmol) and tert-butyl (3S)-3-[(2-chloro-5-fluoro-pyrimidin-4-yl)amino]pyrrolidine-1-carboxylate, 7a, (1.69 g, 5.30 mmol) in DME (34 mL) and 2M Na2CO3 (8.5 mL) was degassed with nitrogen (5 min) then treated with Pd(PPh3)4 (0.31 g, 0.27 mmol) then heated at 90° C. overnight. The resulting dark solution was filtered through florisil, washed with EtOAc then concentrated in vacuo. The resulting residue was purified by silica-gel chromatography (0-100%) petroleum ether: EtOAc gradient. Removal of the solvent under reduced pressure afforded 1.33 g (42% yield) of a white solid after vacuum drying.

Workup

  1. filtrationThe resulting dark solution was filtered through florisil
  2. washwashed with EtOAc
  3. concentrationthen concentrated in vacuo
  4. customThe resulting residue was purified by silica-gel chromatography (0-100%) petroleum ether
  5. customRemoval of the solvent under reduced pressure

Sources & evidence

ORD record
ord-bb06a16ab8694b1facfb551e8217de29
Source dataset
uspto-grants-2016_05
Patent number
US09345708B2

Reaction notes

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