Acetic Acid → N-(3-methylbutyl)-N-[(2R)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]-N-[(2S)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]amine

HRID 1094688Notes

Reaction equation

HRID 1094688 reaction equation
[S:1]1[C:5]([CH2:6][O:7][C:8]([NH:10][C@H:11]([CH2:33][C:34]2[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=2)[CH2:12][NH:13][CH2:14][C@@H:15]([NH:23][C:24]([O:26][CH2:27][C:28]2[S:32][CH:31]=[N:30][CH:29]=2)=[O:25])[CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)=[O:9])=[CH:4][N:3]=[CH:2]1.[CH3:40][CH:41]([CH3:45])[CH2:42][CH:43]=O.C(O)(=O)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>>[CH3:40][CH:41]([CH3:45])[CH2:42][CH2:43][N:13]([CH2:14][C@H:15]([NH:23][C:24]([O:26][CH2:27][C:28]1[S:32][CH:31]=[N:30][CH:29]=1)=[O:25])[CH2:16][C:17]1[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=1)[CH2:12][C@@H:11]([NH:10][C:8]([O:7][CH2:6][C:5]1[S:1][CH:2]=[N:3][CH:4]=1)=[O:9])[CH2:33][C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1

Participants

5

Reactant 4

HCID 176Acetic AcidHCID 115523-MethylbutanalHCID 5049666Sodium triacetoxyborohydrideHCID 60204702N-[(2R)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]-N-[(2S)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]amine

Product 1

HCID 60204703N-(3-methylbutyl)-N-[(2R)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]-N-[(2S)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]amineYield 23.3%

Procedure

The product from Example 26D (87.5 mg, 0.155 mmol), 3-methylbutanal (20 μl, 0.186 mmol), acetic acid (11 μl, 0.181 mmol), and sodium triacetoxyborohydride (53 mg, 0.248 mmol) were processed as described in Example 27 to provide the title compound (23 mg, 23%). 1H NMR (CDCl3) δ 8.73 (s, 2H), 7.79 (s, 2H), 7.29-7.07 (m, 10H), 5.20 (s, 4H), 4.79 (br s, 2H), 3.85 (m, 2H), 2.83 (dd, 2H), 2.73 (m, 2H), 2.43 (m, 5H), 1.46 (m, 2H), 1.17 (m, 2H), 0.82 (d, 6H); MS (ESI+) m/z 636 (M+H)+.

Sources & evidence

ORD record
ord-98aa3e36fd9c45dfbb0cb613dd694481
Source dataset
uspto-grants-2012_03
Patent number
US08133892B2

Reaction notes

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