HCID 480312, compound → HCID 480397, compound

HRID 2074966Notes

Reaction equation

HRID 2074966 reaction equation
[CH2:1]([C@H:8]([NH:32][C:33](=[O:43])[O:34][C@@H:35]1[C@H:42]2[C@H:38]([O:39][CH2:40][CH2:41]2)[O:37][CH2:36]1)[C@H:9]([OH:31])[CH2:10][N:11]([CH2:23][C:24]([CH3:30])([CH3:29])[CH2:25][CH2:26][C:27]#[N:28])[S:12]([C:15]1[CH:20]=[CH:19][CH:18]=[C:17]([NH:21][CH3:22])[CH:16]=1)(=[O:14])=[O:13])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1>[Ni].N.CO>[NH2:28][CH2:27][CH2:26][CH2:25][C:24]([CH3:30])([CH3:29])[CH2:23][N:11]([S:12]([C:15]1[CH:20]=[CH:19][CH:18]=[C:17]([NH:21][CH3:22])[CH:16]=1)(=[O:14])=[O:13])[CH2:10][C@@H:9]([OH:31])[C@@H:8]([NH:32][C:33](=[O:43])[O:34][C@@H:35]1[C@H:42]2[C@H:38]([O:39][CH2:40][CH2:41]2)[O:37][CH2:36]1)[CH2:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

Participants

4

Reactant 1

HCID 480312HCID 480312, compound

Product 1

HCID 480397HCID 480397, compoundYield 77.3%

Reagents, catalysts & solvents 2

HCID 935NickelCatalystHCID 21705897Ammonia methanolSolvent

Procedure

A mixture of 0.29 g (0.46 mmol) of (3R,3aS,6aR)hexahydrofuro[2,3-b]furan-3-yl N-[(1S,2R)-1-benzyl-3-((4-cyano-2,2-dimethylbutyl) [3-(methylamino)phenyl]sulfonylamino)-2-hydroxypropyl]carbamate and approximately 50 mg of Raney nickel (washed with water and MeOH) in 60 mL of 2M NH3/MeOH was subjected to hydrogenation at 45 psi. After 1.5 hours the reaction vessel was purged with nitrogen, catalyst-removed by filtration through celite and the filtrate concentrated in vacuo. The residue was subjected to flash chromatography (SiO2, 9:1 CH2Cl2/2M NH3 in MeOH) to afford 0.22 g (76%) of the desired amine as a white foam. NMR (CDCl3): 7.39-7.19 (m, 6H), 7.10 (d, 1H), 7.04-6.92 (m, 2H), 6.81 (dd, 1H), 5.63 (d, 1H), 5.05 (q, 1H), 4.16 (br s, 1H), 4.09-3.80 (m, 4H), 3.70 (m, 2H), 3.31 (m, 2H), 3.21-3.00 (m, 3H), 2.99-2.58 (m, 5H), 2.90 (s, 3H), 2.57-2.10 (br, 2H), 1.82-1.07 (m, 6H), 1.04 (s, 3H), 0.92 (s, 3H). MS(ESI): 619(M+H).

Workup

  1. customAfter 1.5 hours the reaction vessel was purged with nitrogen
  2. customcatalyst-removed by filtration through celite
  3. concentrationthe filtrate concentrated in vacuo

Sources & evidence

ORD record
ord-57d7e3674b0645489e052ba9ef8abbfa
Source dataset
uspto-grants-2011_04
Patent number
US07919523B2

Reaction notes

Loading…