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 2282829Notes

Reaction equation

HRID 2282829 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

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 715708721-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]cyclohexanecarboxamideYield 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-6096eabf8c36462d8d970e06afa40beb
Source dataset
uspto-grants-2015_09
Patent number
US09138486B2

Reaction notes

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