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Diisopropylethylamine → HCID 53349361, compound

HRID 2357096
Notes
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Reaction equation

HRID 2357096 reaction equation
[C:1]([O:5][C:6]([N:8]1[C@@:12]([CH3:16])([C:13]([OH:15])=O)[CH2:11][O:10][C:9]1([CH3:18])[CH3:17])=[O:7])([CH3:4])([CH3:3])[CH3:2].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(C(C)C)CC)(C)C.[CH2:52]([O:60][C:61]1[CH:70]=[CH:69][C:64]([C:65]([NH:67][NH2:68])=[O:66])=[CH:63][C:62]=1[C:71]([F:74])([F:73])[F:72])[CH2:53][CH2:54][CH2:55][CH2:56][CH2:57][CH2:58][CH3:59]>C(OCC)(=O)C.C(Cl)Cl.CN(C=O)C>[CH3:17][C:9]1([CH3:18])[N:8]([C:6]([O:5][C:1]([CH3:2])([CH3:3])[CH3:4])=[O:7])[C@:12]([CH3:16])([C:13]([NH:68][NH:67][C:65](=[O:66])[C:64]2[CH:69]=[CH:70][C:61]([O:60][CH2:52][CH2:53][CH2:54][CH2:55][CH2:56][CH2:57][CH2:58][CH3:59])=[C:62]([C:71]([F:72])([F:74])[F:73])[CH:63]=2)=[O:15])[CH2:11][O:10]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 81531Diisopropylethylamine2×HCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)2×HCID 52987736HCID 52987736, compound2×HCID 533493604-(Octyloxy)-3-(trifluoromethyl)benzohydrazide2×

Product 1

HCID 53349361
HCID 53349361, compound
Yield 92.1%

Reagents, catalysts & solvents 2

HCID 8857Ethyl AcetateSolventHCID 22350042dichloromethane N,N-dimethylformamideSolvent2×

Procedure

(R)-3-(tert-Butoxycarbonyl)-2,2,4-trimethyloxazolidine-4-carboxylic acid (D7) (210 mg, 0.81 mmol), HATU (372 mg, 0.98 mmol), diisopropylethyl amine (DIEA) (0.705 mL, 4.1 mmol), CH2Cl2-DMF and 4-(octyloxy)-3-(trifluoromethyl)benzohydrazide (D6) (270 mg, 0.81 mmol) were mixed together. The reaction was condensed, diluted with ethyl acetate, washed with water and brine, and condensed again. Another batch was made using this method with (D7) (0.1 mmol), HATU (46 mg, 0.12 mmol), DIEA (87 mL, 0.5 mmol), CH2Cl2-DMF and 4-(octyloxy)-3-(trifluoromethyl)benzohydrazide (D6) (>6 mg, 0.1 mmol). The batches were chromatographed and combined to provide the title product (428 mg). MS (ESI): 573.84 (MH+); 1H NMR (400 MHz, CDCl3) δ 9.43 (br, 2H), 8.06 (d, 1H, J=2.0 Hz), 7.94 (dd, 1H, J=8.8 Hz, J=2.0 Hz), 6.96 (d, 1H, J=8.8 Hz), 4.52 (br, 1H), 4.07 (t, 2H, J=6.4 Hz), 3.76 (br, 1H), 1.82 (m, 2H), 1.67 (s, 6H), 1.57 (s, 3H), 1.51 (s, 9H), 1.51-1.43 (m, 4H), 1.38-1.24 (m, 6H), 0.88 (t, 3H, J=7.2 Hz).

Workup

  1. customcondensed
  2. washwashed with water and brine, and condensed again
  3. customThe batches were chromatographed

Sources & evidence

ORD record
ord-efe41c043629430c93555eec5ee48c60
Source dataset
uspto-grants-2010_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07759370B2

Reaction notes

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