Triethylamine → Tert-butyl (3-((2-hydroxy-3-(isoindolin-2-yl)propyl)carbamoyl)phenyl)carbamate

HRID 1507013Notes

Reaction equation

[C:1]([O:5][C:6]([NH:8][C:9]1[CH:10]=[C:11]([CH:15]=[CH:16][CH:17]=1)[C:12]([OH:14])=O)=[O:7])([CH3:4])([CH3:3])[CH3:2].CCN=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1.CCN(CC)CC.[NH2:46][CH2:47][CH:48]([OH:59])[CH2:49][N:50]1[CH2:58][C:57]2[C:52](=[CH:53][CH:54]=[CH:55][CH:56]=2)[CH2:51]1>C(Cl)Cl>[C:1]([O:5][C:6](=[O:7])[NH:8][C:9]1[CH:17]=[CH:16][CH:15]=[C:11]([C:12](=[O:14])[NH:46][CH2:47][CH:48]([OH:59])[CH2:49][N:50]2[CH2:58][C:57]3[C:52](=[CH:53][CH:54]=[CH:55][CH:56]=3)[CH2:51]2)[CH:10]=1)([CH3:2])([CH3:3])[CH3:4]

Participants

Conditions

Temperature: 25 °C

Procedure

To a solution of 3-((tert-butoxycarbonyl)amino)benzoic acid (300 mg, 1.3 mmol) in DCM (8 mL) was added EDCI (383 mg, 2.0 mmol), HOBt (270 mg, 2.0 mmol), Et3N (263 mg, 2.6 mmol), 1-amino-3-(isoindolin-2-yl)propan-2-ol (499 mg, 2.6 mmol), and the mixture was stirred at 25° C. for 16 h. The crude reaction mixture was washed with water and extracted with DCM. The combined organic layers were concentrated, and the residue was purified by column chromatography to yield the desired product (DCM:MeOH=10:1). (260 mg, yield 49%) MS (ESI+) e/z: 412.2 [M+1]+. 1H NMR (MeOD, 400 MHz), δ ppm: 7.87 (s, 1H), 7.58-7.50 (m, 1H), 7.45-7.38 (m, 1H), 7.34-7.28 (m, 1H), 7.25-7.14 (m, 4H), 4.08-3.96 (m, 5H), 3.63-3.53 (m, 1H), 3.45-3.37 (m, 1H), 2.94-2.80 (m, 2H), 1.53 (s, 9H).

Workup

customThe crude reaction mixture
washwas washed with water
extractionextracted with DCM
concentrationThe combined organic layers were concentrated
customthe residue was purified by column chromatography

Sources & evidence

ORD record: ord-bd46016c073f4e5281fff02f698ba686
Source dataset: uspto-grants-2015_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09221794B2

Reaction notes

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