Acetic Acid → N-(2-methylpropyl)-N,N-bis[(2R)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]amine

HRID 39382Notes

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]([CH3:44])[CH:42]=O.C(O)(=O)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>>[CH3:40][CH:41]([CH3:44])[CH2:42][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

Reactant 4

HCID 176Acetic Acid

HCID 6561Isobutyraldehyde

HCID 5049666Sodium triacetoxyborohydride

HCID 11854471N,N-bis[(2R)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]amine

Product 1

HCID 11854721N-(2-methylpropyl)-N,N-bis[(2R)-2-(thiazol-5-ylmethoxycarbonylamino)-3-phenylpropyl]amineYield 45.6%

Procedure

The product from Example 31D (80 mg, 0.141 mmol), 2-methylpropanal (15 μl, 0.170 mmol), acetic acid (10 μl, 0.166 mmol), and sodium triacetoxyborohydride (48 mg, 0.226 mmol) were processed as described in Example 27 to provide the title compound (40 mg, 44%). 1H NMR (CDCl3) δ 8.73 (s, 2H), 7.76 (s, 2H), 7.32-7.12 (m, 10H), 5.35 (br s, 2H), 5.18 (q, 4H), 3.97 (br s, 2H), 2.83 (br s, 2H), 2.70 (dd, 2H), 2.41 (t, 2H), 2.21 (dd, 2H), 2.00 (m, 1H), 1.87 (dd, 1H), 0.72 (s, 6H); MS (ESI+) m/z 622 (M+H)+.

Sources & evidence

ORD record: ord-ef0ee34a3e1b4fa1b42a32944a928e70
Source dataset: uspto-grants-2013_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08524753B2

Reaction notes

Loading…