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1-Aminocyclohexanecarboxylic acid → 1-amino-N-[(2S)-1-{[(3R,4S,5S)-3-methoxy-1-{(2S)-2-[(1R,2R)-1-methoxy-2-methyl-3-oxo-3-{[(1S)-2-phenyl-1-(1,3-thiazol-2-yl)ethyl]amino}propyl]pyrroli din-1-yl}-5-methyl-1-oxoheptan-4-yl] (methyl)amino}-3-methyl-1-oxobutan-2-yl]cyclohexanecarboxamide

HRID 74744
Notes
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Reaction equation

HRID 74744 reaction equation
[CH3:1][O:2][C@@H:3]([C@@H:33]([N:38]([CH3:46])[C:39](=[O:45])[C@H:40]([CH:42]([CH3:44])[CH3:43])[NH2:41])[C@@H:34]([CH3:37])[CH2:35][CH3:36])[CH2:4][C:5]([N:7]1[CH2:11][CH2:10][CH2:9][C@H:8]1[C@H:12]([O:31][CH3:32])[C@@H:13]([CH3:30])[C:14](=[O:29])[NH:15][C@H:16]([C:24]1[S:25][CH:26]=[CH:27][N:28]=1)[CH2:17][C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)=[O:6].CN([P+](Br)(N(C)C)N(C)C)C.F[P-](F)(F)(F)(F)F.C(N(C(C)C)CC)(C)C.[NH2:74][C:75]1([C:81](O)=[O:82])[CH2:80][CH2:79][CH2:78][CH2:77][CH2:76]1>ClCCl>[NH2:74][C:75]1([C:81]([NH:41][C@@H:40]([CH:42]([CH3:44])[CH3:43])[C:39]([N:38]([C@@H:33]([C@@H:34]([CH3:37])[CH2:35][CH3:36])[C@H:3]([O:2][CH3:1])[CH2:4][C:5]([N:7]2[CH2:11][CH2:10][CH2:9][C@H:8]2[C@H:12]([O:31][CH3:32])[C@@H:13]([CH3:30])[C:14](=[O:29])[NH:15][C@H:16]([C:24]2[S:25][CH:26]=[CH:27][N:28]=2)[CH2:17][C:18]2[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=2)=[O:6])[CH3:46])=[O:45])=[O:82])[CH2:80][CH2:79][CH2:78][CH2:77][CH2:76]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 13661-Aminocyclohexanecarboxylic acidHCID 81531DiisopropylethylamineHCID 10221847Bromotris(dimethylamino)phosphonium HexafluorophosphateHCID 86685731N-[(3R,4S,5S)-3-methoxy-1-{(2S)-2-[(1R,2R)-1-methoxy-2-methyl-3-oxo-3-{[(1S)-2-phenyl-1-(1,3-thiazol-2-yl)ethyl]amino}propyl]pyrrolidin-1-yl}-5-methyl-1-oxoheptan-4-yl]-N-methyl-L-valinamide

Product 1

HCID 71570872
1-amino-N-[(2S)-1-{[(3R,4S,5S)-3-methoxy-1-{(2S)-2-[(1R,2R)-1-methoxy-2-methyl-3-oxo-3-{[(1S)-2-phenyl-1-(1,3-thiazol-2-yl)ethyl]amino}propyl]pyrroli din-1-yl}-5-methyl-1-oxoheptan-4-yl] (methyl)amino}-3-methyl-1-oxobutan-2-yl]cyclohexanecarboxamide
Yield 35.5%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of #50 (120 mg, 0.18 mmol, 1 eq.), Brop (84 mg, 0.21 mmol, 1.2 eq.) and diisopropylethylamine (0.1 mL, 0.54 mmol, 3 eq.) in dichloromethane (15 mL, 0.009 M) at 0° C. was added 1-aminocyclohexanecarboxylic acid (31 mg, 0.21 mmol, 1.2 eq.). After 2 hours, the mixture was quenched with water and extracted twice with ethyl acetate. The combined organic layers were dried over sodium sulfate, filtered, and concentrated in vacuo. The residue was purified by silica gel chromatography (Gradient: 0% to 5% methanol in dichloromethane) to give #52 (50 mg, 35%). Rf 0.6 (10% methanol in dichloromethane). LC-MS (Protocol K): m/z 783.79 [M+H+]; 1H NMR (400 MHz, DMSO-d6), presumed to be a mixture of rotamers, characteristic signals: δ [8.64 (br d, J=8 Hz) and 8.87 (br d, J=9 Hz), total 1H], 8.18-8.28 (m, 1H), [7.77 (d, J=3.5 Hz) and 7.80 (d, J=3.3 Hz), total 1H], [7.63 (d, J=3.3 Hz) and 7.66 (d, J=3.3 Hz), total 1H], 7.12-7.31 (m, 5H), 5.35-5.43 and 5.49-5.57 (2 m, total 1H), [4.51 (dd, J=9, 8 Hz), and 4.61 (dd, J=9, 7 Hz), total 1H], 3.16, 3.19, 3.21 and 3.25 (4 s, total 6H), 2.93 and 3.02 (2 br s, total 3H), [1.05 (d, J=6.8 Hz) and 1.10 (d, J=6.8 Hz), total 3H].

Workup

  1. customthe mixture was quenched with water
  2. extractionextracted twice with ethyl acetate
  3. dry with materialThe combined organic layers were dried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by silica gel chromatography (Gradient: 0% to 5% methanol in dichloromethane)

Sources & evidence

ORD record
ord-0def3b037e7a409e9b86b61a68729646
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08828401B2

Reaction notes

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