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Diisopropylethylamine → N-(2-(2-oxo-1,2-dihydropyridin-4-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide

HRID 1410037
Notes
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Reaction equation

HRID 1410037 reaction equation
[CH3:1][C:2]1([CH3:18])[C:6]([CH3:8])([CH3:7])[O:5][B:4]([C:9]2[CH:17]=[CH:16][C:12]([C:13]([OH:15])=O)=[CH:11][CH:10]=2)[O:3]1.Br.[NH2:20][CH2:21][CH2:22][C:23]1[CH:28]=[CH:27][NH:26][C:25](=[O:29])[CH:24]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)Cl>[O:29]=[C:25]1[CH:24]=[C:23]([CH2:22][CH2:21][NH:20][C:13](=[O:15])[C:12]2[CH:11]=[CH:10][C:9]([B:4]3[O:5][C:6]([CH3:7])([CH3:8])[C:2]([CH3:1])([CH3:18])[O:3]3)=[CH:17][CH:16]=2)[CH:28]=[CH:27][NH:26]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 27346214-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 683793994-(2-aminoethyl)pyridin-2(1H)-one hydrobromide

Product 1

HCID 68379400
N-(2-(2-oxo-1,2-dihydropyridin-4-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide
Yield 108.6%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

A mixture of 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid (100 mg, 0.4 mmol), 4-(2-aminoethyl)pyridin-2(1H)-one hydrobromide (96 mg, 0.44 mmol), HATU (182 mg, 0.48 mmol) and DIEA (155 mg, 1.20 mmol) in 30 mL of DCM was stirred at room temperature overnight. The solution was washed with sat NaHCO3 (2×30 mL), brine (30 mL), dried over anhydrous sodium sulfate, concentrated under reduce pressure to give crude N-(2-(2-oxo-1,2-dihydropyridin-4-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (160 mg) and used without further purification. LC-MS: 369 [M+H]+, tR=1.35 min.

Workup

  1. washThe solution was washed with sat NaHCO3 (2×30 mL), brine (30 mL)
  2. dry with materialdried over anhydrous sodium sulfate
  3. concentrationconcentrated

Sources & evidence

ORD record
ord-a159f2305c2c4394908e642eca0d64cf
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08921383B2

Reaction notes

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