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

HRID 39380

Reaction equation

HRID 39380 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-aa74f68c8123419ab50b8351f64feace
Source dataset
uspto-grants-2013_09
Patent number
US08524753B2

Linked notes

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