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Diisopropylethylamine → methyl (1S)-1-[({(1S,2S,4S)-2-hydroxy-4-[((2S)-3-methyl-2-{3-[(6-methyl-2-pyridinyl)methyl]-2-oxo-1-imidazolidinyl}pentanoyl)amino]-5-phenyl-1-[4-(2-pyridinyl)benzyl]pentyl}amino)carbonyl]-2,2-dimethylpropylcarbamate

HRID 1174175
Notes
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Reaction equation

HRID 1174175 reaction equation
[NH2:1][C@@H:2]([CH2:33][C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1)[CH2:3][C@H:4]([OH:32])[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.[CH3:40][C@@H:41]([CH2:60][CH3:61])[C@H:42]([N:46]1[CH2:50][CH2:49][N:48]([CH2:51][C:52]2[CH:57]=[CH:56][CH:55]=[C:54]([CH3:58])[N:53]=2)[C:47]1=[O:59])[C:43](O)=[O:44].CCOP(ON1N=NC2C=CC=CC=2C1=O)(OCC)=O.C(N(CC)C(C)C)(C)C>C1COCC1>[OH:32][C@@H:4]([CH2:3][C@@H:2]([NH:1][C:43](=[O:44])[C@@H:42]([N:46]1[CH2:50][CH2:49][N:48]([CH2:51][C:52]2[CH:57]=[CH:56][CH:55]=[C:54]([CH3:58])[N:53]=2)[C:47]1=[O:59])[CH:41]([CH3:40])[CH2:60][CH3:61])[CH2:33][C:34]1[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=1)[C@@H:5]([NH:19][C:20]([C@@H:22]([NH:27][C:28](=[O:31])[O:29][CH3:30])[C:23]([CH3:25])([CH3:26])[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
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 42939953-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-oneHCID 42625793methyl (1S)-1-[({(1S,2S,4S)-4-amino-2-hydroxy-5-phenyl-1-[4-(2-pyridinyl)benzyl]pentyl}amino)carbonyl]-2,2-dimethylpropylcarbamateHCID 66891343(2S,3S)-3-methyl-2-{3-[(6-methyl-2-pyridinyl)methyl]-2-oxo-1-imidazolidinyl}pentanoic Acid

Product 1

HCID 86726182
methyl (1S)-1-[({(1S,2S,4S)-2-hydroxy-4-[((2S)-3-methyl-2-{3-[(6-methyl-2-pyridinyl)methyl]-2-oxo-1-imidazolidinyl}pentanoyl)amino]-5-phenyl-1-[4-(2-pyridinyl)benzyl]pentyl}amino)carbonyl]-2,2-dimethylpropylcarbamate
Yield 54.5%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Conditions

Temperature
25 °C

Procedure

A solution containing the product from Example 23S (0.025 g, 0.047 mmol) in THF (0.5 mL) was treated with the product from Example 7B (0.025 g, 0.060 mmol), DEPBT (0.025 g, 0.084 mmol), and N,N-diisopropylethylamine (0.040 mL, 0.230 mmol), stirred at 25° C. for 2 hours, 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 eluting with 0-10% methanol in ethyl acetate to give the title compound (0.021 g, 54% yield). 1H NMR (300 MHz, DMSO-d6), δ ppm 0.60 (d, J=6.62 Hz, 3 H), 0.73 (t, J=7.17 Hz, 3 H), 0.87(m, 10 H), 1.27 (m, 1 H), 1.54 (m, 2 H), 1.75 (m, 1 H), 2.43 (m, 4 H), 2.66 (m, 1 H), 2.77 (d, J=6.99 Hz, 2 H), 2.91 (m, 1 H), 3.12 (m, 3 H), 3.51 (s, 3 H), 3.59 (m, 1 H), 3.85 (d, J=11.03 Hz, 1 H), 3.94 (d, J=9.56 Hz, 1 H), 4.14 (m, 2 H), 4.33 (s, 2 H), 4.81 (d, J=5.15 Hz, 1 H), 6.80 (d, J=9.56 Hz, 1 H), 7.07 (m, 7 H), 7.30 (d, J=7.72 Hz, 3 H), 7.58 (d, J=8.82 Hz, 1 H), 7.65 (t, J=7.54 Hz, 1 H), 7.87 (m, 5 H), 8.63 (d, J=4.04 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. washby eluting with 0-10% methanol in ethyl acetate

Sources & evidence

ORD record
ord-265e04fd92964c93b82aa51c6c85c405
Source dataset
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07834043B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes