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Benzoyl chloride → N-(4-(5-((1R,2R)-2-(tert-Butyldimethylsilyloxy)-1-(3-chloro-4-cyano-2-methylphenylamino)propyl)-1,3,4-oxadiazol-2-yl)phenyl)benzamide

HRID 1254783
Notes
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Reaction equation

HRID 1254783 reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:12][C:11]([C@H:13]([NH:24][C:25]3[CH:32]=[CH:31][C:28]([C:29]#[N:30])=[C:27]([Cl:33])[C:26]=3[CH3:34])[C@H:14]([O:16][Si:17]([C:20]([CH3:23])([CH3:22])[CH3:21])([CH3:19])[CH3:18])[CH3:15])=[N:10][N:9]=2)=[CH:4][CH:3]=1.[C:35](Cl)(=[O:42])[C:36]1[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=1>C(Cl)Cl.N1C=CC=CC=1>[Si:17]([O:16][C@H:14]([CH3:15])[C@H:13]([C:11]1[O:12][C:8]([C:5]2[CH:4]=[CH:3][C:2]([NH:1][C:35](=[O:42])[C:36]3[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=3)=[CH:7][CH:6]=2)=[N:9][N:10]=1)[NH:24][C:25]1[CH:32]=[CH:31][C:28]([C:29]#[N:30])=[C:27]([Cl:33])[C:26]=1[CH3:34])([C:20]([CH3:22])([CH3:23])[CH3:21])([CH3:19])[CH3:18]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 7412Benzoyl chlorideHCID 591930604-((1R,2R)-1-(5-(4-Aminophenyl)-1,3,4-oxadiazol-2-yl)-2-(tert-butyldimethylsilyloxy)propylamino)-2-chloro-3-methylbenzonitrile

Product 1

HCID 59193025N-(4-(5-((1R,2R)-2-(tert-Butyldimethylsilyloxy)-1-(3-chloro-4-cyano-2-methylphenylamino)propyl)-1,3,4-oxadiazol-2-yl)phenyl)benzamideYield 100%

Reagents, catalysts & solvents 2

HCID 1049
Pyridine
Solvent
HCID 6344DichloromethaneSolvent

Procedure

To a solution of 4-((1R,2R)-1-(5-(4-aminophenyl)-1,3,4-oxadiazol-2-yl)-2-(tert-butyldimethylsilyloxy)propylamino)-2-chloro-3-methylbenzonitrile (306 mg, 0.61 mmol) in CH2Cl2 (10 mL) and pyridine (1.5 mL) was added benzoylchloride (0.10 mL, 0.86 mmol) at room temperature. The resultant solution stirred for 24 hours and quenched with 2N aq. HCl (15 mL). The mixture was further partitioned between H2O (40 mL) and CH2Cl2 (40 mL). The aqueous layer was extracted with CH2Cl2 (30 mL). The combined organic extracts were washed with sat. aq. NaHCO3 (2×40 mL), dried (Na2SO4), filtered and concentrated under reduced pressure to provide a colourless oil (367 mg, 100%): 1H NMR (400 MHz, δ in ppm) 9.84 (s 1H), 8.10-7.98 (m, 6H), 7.67-7.48 (m, 4H), 6.96 (d, J=8.6 Hz, 1H), 5.76 (d, J=9.0 Hz, 1H), 5.05 (dd, J=6.5, 9.0 Hz, 1H), 4.67 (pentet, J=6.3 Hz, 1H), 2.36 (s, 3H), 1.45 (d, J=6.3 Hz, 3H), 0.83 (s, 9H), 0.11 (s, 3H), 0.00 (s, 3H).

Workup

  1. customquenched with 2N aq. HCl (15 mL)
  2. customThe mixture was further partitioned between H2O (40 mL) and CH2Cl2 (40 mL)
  3. extractionThe aqueous layer was extracted with CH2Cl2 (30 mL)
  4. washThe combined organic extracts were washed with sat. aq. NaHCO3 (2×40 mL)
  5. dry with materialdried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-34e57a53a8c94eeb998666e3b076bca9
Source dataset
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08455525B2

Reaction notes

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