L-Leucine, N-((1,1-dimethylethoxy)carbonyl)- → Tert-butyl(s)-1-((3ar,4r,6as)-2-benzyloctahydrocyclopenta[c]pyrrol-4-ylamino)-4-methyl-1-oxopentan-2-yl(methyl)carbamate

HRID 1092580Notes

Reaction equation

HRID 1092580 reaction equation
[C:1]([O:5][C:6]([NH:8][C@H:9]([C:14]([OH:16])=O)[CH2:10][CH:11]([CH3:13])[CH3:12])=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH2:17]([N:24]1[CH2:28][C@@H:27]2[C@H:29]([NH2:32])[CH2:30][CH2:31][C@@H:26]2[CH2:25]1)[C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1.[CH2:33](N1C[C@@H]2[C@@H](N)CC[C@@H]2C1)C1C=CC=CC=1>>[CH2:17]([N:24]1[CH2:28][C@@H:27]2[C@H:29]([NH:32][C:14](=[O:16])[C@@H:9]([N:8]([CH3:33])[C:6](=[O:7])[O:5][C:1]([CH3:2])([CH3:3])[CH3:4])[CH2:10][CH:11]([CH3:12])[CH3:13])[CH2:30][CH2:31][C@@H:26]2[CH2:25]1)[C:18]1[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=1

Participants

4

Reactant 3

HCID 83170L-Leucine, N-((1,1-dimethylethoxy)carbonyl)-HCID 59011519(3AR,4R,6AS)-2-Benzyloctahydrocyclopenta[C]pyrrol-4-amineHCID 66591011(3aR,4S,6aS)-2-benzyloctahydrocyclopenta[c]pyrrol-4-amine

Product 1

HCID 66590501Tert-butyl(s)-1-((3ar,4r,6as)-2-benzyloctahydrocyclopenta[c]pyrrol-4-ylamino)-4-methyl-1-oxopentan-2-yl(methyl)carbamate

Procedure

The title compound was prepared by substituting N-(tert-butoxycarbonyl)-N-methyl-L-leucine for N-(tert-butoxycarbonyl)-L-leucine and (3aR,4R,6aS)-2-benzyloctahydrocyclopenta[c]pyrrol-4-amine from Step A of Example 240 for (3aR,4S,6aS)-2-benzyloctahydrocyclopenta[c]pyrrol-4-amine in the procedure described in Example 221: 1H NMR (400 MHz, pyridine-d5, temperature 90° C.) δ ppm 7.40-7.43 (m, 2H), 7.31-7.37 (m, 3H), 7.23-7.30 (m, 1H), 4.82-4.89 (m, 1H), 4.35-4.42 (m, 1H), 3.35 (d, J=12.9 Hz, 1H), 2.95 (s, 3H), 2.68-2.78 (m, 2H), 2.42-2.50 (m, 1H), 2.26-2.36 (m, 3H), 1.89 (ddd, J=14.1, 8.2, 5.9 Hz, 1H), 1.71-1.82 (m, 2H), 1.60-1.70 (m, 3H), 1.48-1.51 (m, 1H), 1.48 (s, 9H), 1.22-1.35 (m, 1H), 0.88-0.98 (m, 6H); MS (ESI+) m/z 444 (M+H)+.

Sources & evidence

ORD record
ord-f58f668e667f45aa9048dcd5cc195fca
Source dataset
uspto-grants-2012_03
Patent number
US08129417B2

Reaction notes

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