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N-(tert-butoxycarbonyl)glycine → 3-[4-amino-5-(4-phenoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]cyclopentyl 2-[(tert-butoxycarbonyl)amino]acetate

HRID 51541
Notes
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Reaction equation

HRID 51541 reaction equation
[NH2:1][C:2]1[C:3]2[C:10]([C:11]3[CH:16]=[CH:15][C:14]([O:17][C:18]4[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=4)=[CH:13][CH:12]=3)=[CH:9][N:8]([CH:24]3[CH2:28][CH2:27][CH:26]([OH:29])[CH2:25]3)[C:4]=2[N:5]=[CH:6][N:7]=1.[C:30]([O:34][C:35]([NH:37][CH2:38][C:39](O)=[O:40])=[O:36])([CH3:33])([CH3:32])[CH3:31].Cl.CN(C)CCCN=C=NCC>CN(C)C1C=CN=CC=1.CN(C=O)C>[C:30]([O:34][C:35]([NH:37][CH2:38][C:39]([O:29][CH:26]1[CH2:27][CH2:28][CH:24]([N:8]2[C:4]3[N:5]=[CH:6][N:7]=[C:2]([NH2:1])[C:3]=3[C:10]([C:11]3[CH:12]=[CH:13][C:14]([O:17][C:18]4[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=4)=[CH:15][CH:16]=3)=[CH:9]2)[CH2:25]1)=[O:40])=[O:36])([CH3:33])([CH3:32])[CH3:31]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 78288N-(tert-butoxycarbonyl)glycineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 227362353-[4-amino-5-(4-phenoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]cyclopentan-1-ol

Product 1

HCID 227364343-[4-amino-5-(4-phenoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]cyclopentyl 2-[(tert-butoxycarbonyl)amino]acetateYield 55.8%

Reagents, catalysts & solvents

2
HCID 142844-(Dimethylamino)pyridineCatalystHCID 6228DimethylformamideSolvent

Procedure

A mixture of 3-[4-amino-5-(4-phenoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]-1-cyclopentanol (50 mg, 0.129 mmol), 2-[(tert-butoxycarbonyl)amino]acetic acid (34 mg, 0.194 mmol), 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride (31 mg, 0.155 mmol) and 4-(dimethylamino)pyridine (16 mg, 0.129 mmol) in DMF (1 mL) was stirred under nitrogen for 24 hours. The mixture was pour onto ice-water. The aqueous layer was extracted with ethyl acetate three times. The combined organic layer was washed with brine, dried over MgSO4, filtered and evaporated. The residue was purified by flash column chromatography using ethyl acetate as mobile phase to give 3-[4-amino-5-(4-phenoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]cyclopentyl 2-[(tert-butoxycarbonyl)amino]acetate (39 mg, 0.072 mmol). HPLC: tr=19.22 min. (Delta-Pack, C-18, 5 μm, 300 A, 3.9×150 mm; 5-85% acetonitrile—0.1 M ammonium acetate over 20 min, 1 ml/min).

Workup

  1. additionThe mixture was pour onto ice-water
  2. extractionThe aqueous layer was extracted with ethyl acetate three times
  3. washThe combined organic layer was washed with brine
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. customevaporated
  7. customThe residue was purified by flash column chromatography

Sources & evidence

ORD record
ord-1dc2d4925ed64beaa17657a6a223b707
Source dataset
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06713474B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes