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Trimethylsilylacetylene → tert-butyl-N-[1-oxo-1-[[1-(2-trimethylsilylethynyl)isoquinolin-3-yl]amino]-propan-2-yl]carbamate

HRID 535391
Notes
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Reaction equation

HRID 535391 reaction equation
[C:1]([O:5][C:6](=[O:24])[NH:7][CH:8]([CH3:23])[C:9]([NH:11][C:12]1[N:13]=[C:14](Br)[C:15]2[C:20]([CH:21]=1)=[CH:19][CH:18]=[CH:17][CH:16]=2)=[O:10])([CH3:4])([CH3:3])[CH3:2].[C:25]([Si:27]([CH3:30])([CH3:29])[CH3:28])#[CH:26].CCN(C(C)C)C(C)C>CN1C(=O)CCC1.[Cu]I.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[C:1]([O:5][C:6](=[O:24])[NH:7][CH:8]([CH3:23])[C:9](=[O:10])[NH:11][C:12]1[N:13]=[C:14]([C:26]#[C:25][Si:27]([CH3:30])([CH3:29])[CH3:28])[C:15]2[C:20]([CH:21]=1)=[CH:19][CH:18]=[CH:17][CH:16]=2)([CH3:4])([CH3:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 66111TrimethylsilylacetyleneHCID 81531DiisopropylethylamineHCID 86694369tert-butyl-N-[1-[(1-bromoisoquinolin-3-yl)amino]-1-oxopropan-2-yl]carbamate

Product 1

HCID 86694376tert-butyl-N-[1-oxo-1-[[1-(2-trimethylsilylethynyl)isoquinolin-3-yl]amino]-propan-2-yl]carbamate

Reagents, catalysts & solvents 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Catalyst
HCID 178418476HCID 178418476, compoundCatalyst
HCID 13387N-methyl-2-pyrrolidoneSolvent

Procedure

A mixture of tert-butyl-N-[1-[(1-bromoisoquinolin-3-yl)amino]-1-oxopropan-2-yl]-carbamate B4a (500 mg, 1.27 mmol), ethynyl(trimethyl)silane (137 mg, 1.4 mmol), copper(I) iodide (23 mg, 0.12 mmol), Dichlorobis(triphenylphosphine)palladium(II) (90 mg, 0.13 mmol) and DIPEA (700 μl, 4.12 mmol) is stirred under argon atmosphere in NMP (4 ml) for 1 h at 80° C. The mixture is concentrated in vacuo and the product purified by RP HPLC. Yield: 319 mg (61%). HPLC-MS: M+H=412; tR=2.11 min (*Method—4).

Workup

  1. concentrationThe mixture is concentrated in vacuo
  2. customthe product purified by RP HPLC

Sources & evidence

ORD record
ord-8f12aeee77de44f88f15d4c0fbacccd3
Source dataset
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08859541B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes