Methanol → oxazol-5-ylmethyl N-[(1S,2S,4S)-1-benzyl-2-hydroxy-4-[[(2S)-2-[[(2-isopropyloxazol-4-yl)methyl-methyl-carbamoyl]amino]-3-methyl-butanoyl]amino]-5-phenyl-pentyl]carbamate

HRID 2258232Notes

Reaction equation

HRID 2258232 reaction equation
[NH2:1][C@@H:2]([CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1)[CH2:3][C@H:4]([OH:23])[C@@H:5]([NH:13][C:14]([O:16][CH2:17][C:18]1[O:22][CH:21]=[N:20][CH:19]=1)=[O:15])[CH2:6][C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1.[CH3:31][N:32]([C:42]([NH:44][C@H:45]([C:49](O)=[O:50])[CH:46]([CH3:48])[CH3:47])=[O:43])[CH2:33][C:34]1[N:35]=[C:36]([CH:39]([CH3:41])[CH3:40])[O:37][CH:38]=1.CO>ClCCl>[CH3:31][N:32]([C:42]([NH:44][C@H:45]([C:49]([NH:1][C@@H:2]([CH2:24][C:25]1[CH:26]=[CH:27][CH:28]=[CH:29][CH:30]=1)[CH2:3][C@H:4]([OH:23])[C@@H:5]([NH:13][C:14]([O:16][CH2:17][C:18]1[O:22][CH:21]=[N:20][CH:19]=1)=[O:15])[CH2:6][C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1)=[O:50])[CH:46]([CH3:48])[CH3:47])=[O:43])[CH2:33][C:34]1[N:35]=[C:36]([CH:39]([CH3:41])[CH3:40])[O:37][CH:38]=1

Participants

5

Reactant 3

HCID 887MethanolHCID 10851544N-((N-methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)carbonyl)-L-valineHCID 57161064(2S,3S,5S)-5-amino-2-(N-((5-oxazolyl)-methoxycarbonyl)amino)-1,6-diphenyl-3-hydroxyhexane

Product 1

HCID 482939oxazol-5-ylmethyl N-[(1S,2S,4S)-1-benzyl-2-hydroxy-4-[[(2S)-2-[[(2-isopropyloxazol-4-yl)methyl-methyl-carbamoyl]amino]-3-methyl-butanoyl]amino]-5-phenyl-pentyl]carbamateYield 80%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Using the procedure of Example 1U but replacing (2S,3S,5S)-5-amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-1,6-diphenyl-3-hydroxyhexane with (2S,3S,5S)-5-amino-2-(N-((5-oxazolyl)methoxycarbonyl)amino)-1,6-diphenyl-3-hydroxyhexane and replacing N-((N-methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)carbonyl)-L-valine with N-((N-methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)carbonyl)-L-valine provided, after silica gel chromatography using a gradient of 1%-4% methanol in dichloromethane, 145 mg (80%) of the desired compound. 1H NMR (CDCl3) δ0.74 (d, J=6.9 Hz, 6H), 1.23 (d, J=6.9 Hz, 6H), 1.39-1.50 (m, 2H), 1.80-1.94 (m, 1H), 2.56-2.74 (m, 4H), 2.83 (s, 3H), 2.94-3.09 (m, 1H), 3.52-3.62 (m, 1H), 3.72-3.84 (m, 1H), 3.88-3.92 (m, 1H), 4.08-4.35 (m, 3H), 4.62 (d, J=6 Hz, 1H), 4.94 (s, 2H), 5.91 (d, J=8.4 Hz, 1H), 6.89 (d, J=9 Hz, 1H), 7.06-7.26 (m, 11H), 7.69 (d, J=9 Hz, 1H), 7.77 (s, 1H), 8.35 (s, 1H). Mass spectrum: (M+NH4)+ =706; (M+H)+ =689. Anal. Calcd for C37H48N6O7.0.5 H2O: C, 63.68; H, 7.08; N, 12.04. Found: C, 63.50; H, 7.13; N, 11.60.

Workup

  1. customprovided

Sources & evidence

ORD record
ord-e1673af40de64d6cb2f2d560cd5b560a
Source dataset
uspto-grants-1997_08
Patent number
US05659045

Reaction notes

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