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Diisopropylethylamine → methyl (1S)-1-[({(1S,3S,4S)-4-{[(2S)-2-(2,4-dioxo-3-{[2-(3-pyridinyl)-1,3-thiazol-4-yl]methyl}-1-imidazolidinyl)-3-methylpentanoyl]amino}-3-hydroxy-5-phenyl-1-[4-(2-pyridinyl)benzyl]pentyl}amino)carbonyl]-2,2-dimethylpropylcarbamate

HRID 1174213
Notes
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Reaction equation

HRID 1174213 reaction equation
[NH2:1][C@@H:2]([CH2:33][C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1)[C@@H:3]([OH:32])[CH2:4][C@@H:5]([NH:19][C:20]([C@@H:22]([NH:27][C:28](=[O:31])[O:29][CH3:30])[C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH2:6][C:7]1[CH:12]=[CH:11][C:10]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][N:14]=2)=[CH:9][CH:8]=1.[O:40]=[C:41]1[N:45]([CH2:46][C:47]2[N:48]=[C:49]([C:52]3[CH:53]=[N:54][CH:55]=[CH:56][CH:57]=3)[S:50][CH:51]=2)[C:44](=[O:58])[CH2:43][N:42]1[C@@H:59]([C@@H:63]([CH3:66])[CH2:64][CH3:65])[C:60](O)=[O:61].CCOP(ON1N=NC2C=CC=CC=2C1=O)(OCC)=O.C(N(CC)C(C)C)(C)C>C1COCC1>[O:40]=[C:41]1[N:45]([CH2:46][C:47]2[N:48]=[C:49]([C:52]3[CH:53]=[N:54][CH:55]=[CH:56][CH:57]=3)[S:50][CH:51]=2)[C:44](=[O:58])[CH2:43][N:42]1[C@@H:59]([CH:63]([CH3:66])[CH2:64][CH3:65])[C:60]([NH:1][C@@H:2]([CH2:33][C:34]1[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=1)[C@@H:3]([OH:32])[CH2:4][C@@H:5]([NH:19][C:20]([C@@H:22]([NH:27][C:28](=[O:31])[O:29][CH3:30])[C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH2:6][C:7]1[CH:12]=[CH:11][C:10]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][N:14]=2)=[CH:9][CH:8]=1)=[O:61]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 42939953-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-oneHCID 16037867methyl (1S)-1-[({(1S,3S,4S)-4-amino-3-hydroxy-5-phenyl-1-[4-(2-pyridinyl)benzyl]pentyl}amino)carbonyl]-2,2-dimethylpropylcarbamateHCID 67408846(2S,3S)-2-(2,4-dioxo-3-{[2-(3-pyridinyl)-1,3-thiazol-4-yl]methyl}-1-imidazolidinyl)-3-methylpentanoic Acid

Product 1

HCID 11366513
methyl (1S)-1-[({(1S,3S,4S)-4-{[(2S)-2-(2,4-dioxo-3-{[2-(3-pyridinyl)-1,3-thiazol-4-yl]methyl}-1-imidazolidinyl)-3-methylpentanoyl]amino}-3-hydroxy-5-phenyl-1-[4-(2-pyridinyl)benzyl]pentyl}amino)carbonyl]-2,2-dimethylpropylcarbamate
Yield 87%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Conditions

Temperature
25 °C

Procedure

A solution containing the product from Example 2C (0.030 g, 0.056 mmol) in THF (0.5 mL) was treated with the product from Example 57C (0.036 g, 0.073 mmol), DEPBT (0.025 g, 0.085 mmol), and N,N-diisopropylethylamine (0.049 mL, 0.282 mmol), stirred at 25° C. for 1 hour, and partitioned between ethyl acetate and 10% Na2CO3 solution. The organic phase was washed with additional 10% Na2CO3 solution and brine, dried over MgSO4, filtered and concentrated. The residue was chromatographed on silica gel eluting with 0-100% ethyl acetate/dichloromethane, followed by elution with 0-5% methanol in ethyl acetate to give the title compound (0.044g, 86% yield). 1H NMR (300 MHz, DMSO-d6), δ ppm 0.67 (d, J=6.62 Hz, 3 H), 0.73 (t, J=7.35 Hz, 3 H), 0.90 (m, 12 H), 1.25 (m, 1 H), 1.52 (m, 2 H), 1.75 (m, 1 H), 2.69 (m, 3 H), 3.15 (m, 1 H), 3.50 (s, 3 H), 3.78 (m, 2 H), 4.16 (m, 3 H), 4.67 (d, J=6.62 Hz, 1 H), 4.78 (m, 2 H), 6.67 (d, J=9.93 Hz, 1 H), 6.96 (m, 3 H), 7.07 (m, 2 H), 7.22 (d, J=8.09 Hz, 2 H), 7.31 (m, 1 H), 7.51 (dd, J=7.91, 4.96 Hz, 1 H), 7.64 (s, 1 H), 7.86 (m, 6 H), 8.24 (m, 1 H), 8.64 (m, 2 H), 9.08 (d, J=1.84 Hz, 1 H).

Workup

  1. custompartitioned between ethyl acetate and 10% Na2CO3 solution
  2. washThe organic phase was washed with additional 10% Na2CO3 solution and brine
  3. dry with materialdried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was chromatographed on silica gel eluting with 0-100% ethyl acetate/dichloromethane
  7. washfollowed by elution with 0-5% methanol in ethyl acetate

Sources & evidence

ORD record
ord-b3882839dbc948b5ae11477063d93315
Source dataset
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07834043B2

Reaction notes

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