Methanol → HCID 22854996, compound

HRID 1736637Notes

Reaction equation

HRID 1736637 reaction equation
[C:1]([NH:8][C@H:9]([C@@H:17]([O:38][Si](C(C)(C)C)(C)C)[CH2:18][C@@H:19]([NH:27][C:28]([O:30][CH2:31][C:32]1[CH:33]=[N:34][CH:35]=[CH:36][CH:37]=1)=[O:29])[CH2:20][C:21]1[CH:26]=CN=[CH:23][CH:22]=1)[CH2:10][C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2].C[OH:47]>ClCCl>[C:1]([NH:8][C@H:9]([C@@H:17]([OH:38])[CH2:18][C@@H:19]([NH:27][C:28]([O:30][CH2:31][C:32]1[CH:33]=[N:34][CH:35]=[CH:36][CH:37]=1)=[O:29])[CH2:20][C:21]1[CH:22]=[CH:23][O:47][CH:26]=1)[CH2:10][C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)([O:3][C:4]([CH3:6])([CH3:7])[CH3:5])=[O:2]

Participants

4

Reactant 2

HCID 887MethanolHCID 10875945HCID 10875945, compound

Product 1

HCID 22854996HCID 22854996, compoundYield 60%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Using the procedure of Example 4G but replacing (2S,3S,5S)-2-(Boc-amino)-5-(N-((3-pyridinyl)methoxy-carbonyl)amino)-1-phenyl-6-(4-pyridinyl)-3-(tert-butyl-dimethylsilyloxy)hexane with the resultant compound of Example 5D provided, after silica gel chromatography using 5% methanol in dichloromethane, 334.5 mg (60%) of the desired compound as a white solid. 1H NMR (CDCl3) δ 1.38 (s, 9H), 1.66 (t, 2H), 2.61 (d, 2H), 2.85 (t, 3H), 3.70 (m, 2H), 3.89 (m, 1H), 4.84 (br d, 1H), 5.07 (br, 1H), 5.12 (s, 2H), 7.14-7.31 (m, 7H), 7.40 (m, 1H), 7.76 (br d, 1H), 8.57 (dd, 1H), 8.64 (br s, 1H). Mass spectrum: (M+H)+ =510.

Workup

  1. customprovided

Sources & evidence

ORD record
ord-fa9e70bee3fd4937931154cf06134a38
Source dataset
uspto-grants-1996_07
Patent number
US05541320

Reaction notes

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