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Triphenylphosphine → N-{3-[2-(bromomethyl)-1,3-thiazol-5-yl]-5-methylphenyl}-4-(trifluoromethyl)pyrimidin-2-amine

HRID 410624
Notes
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Reaction equation

HRID 410624 reaction equation
[CH3:1][C:2]1[CH:3]=[C:4]([C:19]2[S:23][C:22]([CH2:24]O)=[N:21][CH:20]=2)[CH:5]=[C:6]([NH:8][C:9]2[N:14]=[C:13]([C:15]([F:18])([F:17])[F:16])[CH:12]=[CH:11][N:10]=2)[CH:7]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1C(=O)N([Br:52])C(=O)C1>ClCCl>[Br:52][CH2:24][C:22]1[S:23][C:19]([C:4]2[CH:5]=[C:6]([NH:8][C:9]3[N:14]=[C:13]([C:15]([F:18])([F:17])[F:16])[CH:12]=[CH:11][N:10]=3)[CH:7]=[C:2]([CH3:1])[CH:3]=2)=[CH:20][N:21]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11776TriphenylphosphineHCID 67184N-bromobutanimideHCID 58456320[5-(3-Methyl-5-{[4-(trifluoromethyl)pyrimidin-2-yl]amino}phenyl)-1,3-thiazol-2-yl]methanol

Product 1

HCID 58456292N-{3-[2-(bromomethyl)-1,3-thiazol-5-yl]-5-methylphenyl}-4-(trifluoromethyl)pyrimidin-2-amineYield 49.3%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Conditions

Temperature
0 °C

Procedure

To [5-(3-methyl-5-{[4-(trifluoromethyl)pyrimidin-2-yl]amino}phenyl)-1,3-thiazol-2-yl]methanol (0.13 g, 0.34 mmol) was added dichloromethane (3.5 mL) and triphenylphosphine (0.11 g, 0.41 mmol). The solution was cooled to 0° C. and n-bromosuccinimide (0.067 g, 0.38 mmol) was added and the reaction was allowed to warm slowly to room temperature. Once the reaction was complete, silica gel (1.3 g) was added and the slurry was concentrated. The solid was purified by silica gel chromatography to yield N-{3-[2-(bromomethyl)-1,3-thiazol-5-yl]-5-methylphenyl}-4-(trifluoromethyl)pyrimidin-2-amine (0.072 g, 49%). MS ESI: [M+H]+ m/z 430.9. 1H NMR (500 MHz, DMSO-d6) δ 10.29 (s, 1H), 8.84 (d, J=4.9, 1H), 8.07 (s, 1H), 7.99 (s, 1H), 7.49 (s, 1H), 7.29 (d, J=4.9, 1H), 7.21 (s, 1H), 5.04 (s, 2H), 2.32 (s, 3H). rhSYK activity=+++

Workup

  1. temperatureto warm slowly to room temperature
  2. additionsilica gel (1.3 g) was added
  3. concentrationthe slurry was concentrated
  4. customThe solid was purified by silica gel chromatography

Sources & evidence

ORD record
ord-2d2012c7b7fb4b62bdb32cdff97a8e62
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08759366B2

Reaction notes

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