Trifluoroacetic acid → N-(3-(3,4-dihydroisoquinolin-2(1H)-yl)-2-hydroxypropyl)-3-(pyrrolidin-3-yl)benzamide

HRID 880291Notes

Reaction equation

[CH2:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH2:4][CH2:3][N:2]1[CH2:11][CH:12]([OH:35])[CH2:13][NH:14][C:15]([C:17]1[CH:18]=[C:19]([CH:23]2[CH2:27][CH2:26][N:25](C(OC(C)(C)C)=O)[CH2:24]2)[CH:20]=[CH:21][CH:22]=1)=[O:16].C(O)(C(F)(F)F)=O>C(Cl)Cl>[CH2:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH2:4][CH2:3][N:2]1[CH2:11][CH:12]([OH:35])[CH2:13][NH:14][C:15](=[O:16])[C:17]1[CH:22]=[CH:21][CH:20]=[C:19]([CH:23]2[CH2:27][CH2:26][NH:25][CH2:24]2)[CH:18]=1

Participants

Conditions

Temperature: 29 °C

Procedure

To a solution of tert-butyl 3-(3-((3-(3,4-dihydroisoquinolin-2(1H)-yl)-2-hydroxypropyl)carbamoyl)phenyl)pyrrolidine-1-carboxylate (400 mg, 0.83 mmol) in CH2Cl2 (5 mL) was added TFA (1 mL) at 29° C. The mixture was stirred for 2 h at 29° C. The mixture was concentrated and the residue was purified by prep-HPLC to give the title compound (79.1 mg, Yield 25.0%). 1H NMR (CD3OD, 400 MHz): δ 7.75-7.93 (m, 2H), 7.45-7.62 (m, 2H), 7.17-7.37 (m, 4H), 4.45-4.74 (m, 2H), 4.40 (dd, J=6.3, 3.3 Hz, 1H), 3.71-4.04 (m, 2H), 3.49-3.70 (m, 5H), 3.35-3.49 (m, 3H), 3.08-3.32 (m, 3H), 2.52 (qd, J=6.6, 4.2 Hz, 1H), 2.09-2.27 (m, 1H). LCMS (m/z): 380.2 (M+1).

Workup

concentrationThe mixture was concentrated
customthe residue was purified by prep-HPLC

Sources & evidence

ORD record: ord-3d5f1f66d6444c7fb5636eb3af1b2699
Source dataset: uspto-grants-2015_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08993555B2

Reaction notes

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