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Triethylamine → N-[1-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]-2-hydroxypropyl]heptanamide

HRID 2258051
Notes
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Reaction equation

HRID 2258051 reaction equation
[OH:1][CH:2]([CH3:15])[CH:3]([NH:6][C:7](=[O:14])[CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH3:13])[CH2:4][OH:5].[Si:16](Cl)([C:19]([CH3:22])([CH3:21])[CH3:20])([CH3:18])[CH3:17].C(N(CC)CC)C>CN(C)C1C=CN=CC=1.C(Cl)Cl.O>[CH3:20][C:19]([Si:16]([CH3:18])([CH3:17])[O:5][CH2:4][CH:3]([NH:6][C:7](=[O:14])[CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH3:13])[CH:2]([OH:1])[CH3:15])([CH3:22])[CH3:21]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 8471TriethylamineHCID 28928tert-Butyldimethylsilyl chlorideHCID 76480420N-[2-Hydroxy-1-(hydroxymethyl)propyl]heptanamide

Product 1

HCID 76412708N-[1-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]-2-hydroxypropyl]heptanamideYield 109.5%

Reagents, catalysts & solvents 3

HCID 142844-(Dimethylamino)pyridine
Catalyst
HCID 962WaterSolvent
HCID 6344DichloromethaneSolvent2×

Procedure

A mixture of 11c, (1.945 g) of t-butyldimethylsilyl chloride, (1.4165 g) of triethylamine (951 mg, 1.31 mL), and 4-dimethylaminopyridine (42.76 mg) in 13 mL of methylene chloride is stirred under argon at room temperature for 18 h. The reaction mixture is diluted with methylene chloride and water added. The organic layer is separated, washed with water, dried and evaporated to give 3.25 g of a residual oil which is purified by chromatography by slution with 1:5 ethyl acetate/hexane to give 2.30 g of the desired product as an oil. NMR δ 0.08 (d, 6H), 0.89 (t, 3H), 0.90 (s, 9H), 1.16 (d, 3H), 1.65 (m, 2H), 2.24 (t, 2H), 3.47 (s, 1H), 3.84 (m, 1H), 3.85 (s, 2H), 4.28 (q, 1H), 6.13 (brd, 1H); MS (FAB) m/z=332 (M+H calc'd for C17H38NO3Si 332).

Workup

  1. additionadded
  2. customThe organic layer is separated
  3. washwashed with water
  4. customdried
  5. customevaporated

Sources & evidence

ORD record
ord-dbfdc46c48664459b0ae192b6102b7fc
Source dataset
uspto-grants-1997_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05658945

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes