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 880290Notes

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-3a07ce9eb8e14b6098b81014af7c64a7
Source dataset: uspto-grants-2015_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08993555B2

Reaction notes

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