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

HRID 1092579Notes

Reaction equation

HRID 1092579 reaction equation
[C:1]([O:5][C:6]([NH:8][C@H:9]([C:14]([OH:16])=O)[CH2:10][CH:11]([CH3:13])C)=[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][CH2:11][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 66590755Tert-butyl(s)-1-((3ar,4r,6as)-2-benzyloctahydrocyclopenta[c]pyrrol-4-ylamino)-1-oxopentan-2-yl(methyl)carbamate

Procedure

The title compound was prepared by substituting N-(tert-butoxycarbonyl)-N-methyl-L-norvaline for N-(tert-butoxycarbonyl)-L-leucine and (3aR,4R,6aS)-2-benzyloctahydrocyclopenta[c]pyrrol-4-amine from Step A for (3aR,4S,6aS)-2-benzyloctahydrocyclopenta[c]pyrrol-4-amine in the procedure described in Example 221: 1H NMR (400 MHz, pyridine-d5) δ ppm 7.40 (d, J=7.4, 2H), 7.34 (t, J=7.5, 2H), 7.25 (t, J=7.3, 1H), 4.79-4.68 (m, 1H), 4.44-4.32 (m, 1H), 3.82 (d, J=13.2, 1H), 3.36 (d, J=13.0, 1H), 2.94 (s, 3H), 2.80-2.65 (m, 2H), 2.46 (s, 1H), 2.35 (dd, J=9.2, 2.7, 1H), 2.31-2.25 (m, 2H), 1.99 (dt, J=14.0, 7.0, 1H), 1.83-1.72 (m, 2H), 1.70-1.56 (m, 2H), 1.49 (d, J=4.5, 1H), 1.48 (s, 9H), 1.41-1.23 (m, 3H), 0.89 (t, J=7.4, 3H); MS (ESI+) m/z 430 (M+H)+.

Sources & evidence

ORD record
ord-e38c0794d99e4c5e81195bc35dc77966
Source dataset
uspto-grants-2012_03
Patent number
US08129417B2

Reaction notes

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