1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → tert-butyl 3-(3-((3-(3,4-dihydroisoquinolin-2(1H)-yl)-2-hydroxypropyl) carbamoyl)phenyl)pyrrolidine-1-carboxylate

HRID 2202032Notes

Reaction equation

[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH:10]([C:13]2[CH:14]=[C:15]([CH:19]=[CH:20][CH:21]=2)[C:16]([OH:18])=O)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].C1C=CC2N(O)N=NC=2C=1.CCN=C=NCCCN(C)C.[NH2:43][CH2:44][CH:45]([OH:57])[CH2:46][N:47]1[CH2:56][CH2:55][C:54]2[C:49](=[CH:50][CH:51]=[CH:52][CH:53]=2)[CH2:48]1>CN(C=O)C.O>[CH2:48]1[C:49]2[C:54](=[CH:53][CH:52]=[CH:51][CH:50]=2)[CH2:55][CH2:56][N:47]1[CH2:46][CH:45]([OH:57])[CH2:44][NH:43][C:16]([C:15]1[CH:14]=[C:13]([CH:10]2[CH2:11][CH2:12][N:8]([C:6]([O:5][C:1]([CH3:2])([CH3:3])[CH3:4])=[O:7])[CH2:9]2)[CH:21]=[CH:20][CH:19]=1)=[O:18]

Participants

Conditions

Temperature: 31 °C

Procedure

To a solution of 3-(1-(tert-butoxycarbonyl)pyrrolidin-3-yl)benzoic acid (200 mg, 0.69 mmol) in DMF (4 ml) was added TEA (208 mg, 2.06 mmol), HOBt (139 mg, 1.03 mmol), EDCI (197 mg, 1.03 mmol) and 1-amino-3-(3,4-dihydroisoquinolin-2(1H)-yl)propan-2-ol (170 mg, 0.82 mmol) at 33° C. The reaction mixture was stirred for 16 h at 31° C. The mixture was treated with water and extracted with EA. The organic layer was washed with brine, dried over Na2SO4 and concentrated to give the title compound which was used in next step without further purification (300 mg, Yield 92%).

Workup

extractionextracted with EA
washThe organic layer was washed with brine
dry with materialdried over Na2SO4
concentrationconcentrated

Sources & evidence

ORD record: ord-32a968c95f584f1b80482c85da9ccd8e
Source dataset: uspto-grants-2016_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09365519B2

Reaction notes

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