1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → 1,2,3,4-Tetrahydro-isoquinoline-3-carboxylic acid 4-{[(4-tert-butyl-pyridin-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-3-hydroxymethyl-benzylamide

HRID 251293Notes

Reaction equation

HRID 251293 reaction equation
[NH2:1][CH2:2][C:3]1[CH:4]=[CH:5][C:6]([CH2:11][N:12]([CH2:23][C:24]2[CH:29]=[C:28]([C:30]([CH3:33])([CH3:32])[CH3:31])[CH:27]=[CH:26][N:25]=2)[CH:13]2[C:22]3[N:21]=[CH:20][CH:19]=[CH:18][C:17]=3[CH2:16][CH2:15][CH2:14]2)=[C:7]([CH2:9][OH:10])[CH:8]=1.Cl.[CH2:35]1[C:44]2[C:39](=[CH:40][CH:41]=[CH:42][CH:43]=2)[CH2:38][CH:37]([C:45](O)=[O:46])[NH:36]1.C1C=CC2N(O)N=NC=2C=1.CCN=C=NCCCN(C)C.CCN(C(C)C)C(C)C>C(Cl)Cl>[C:30]([C:28]1[CH:27]=[CH:26][N:25]=[C:24]([CH2:23][N:12]([CH2:11][C:6]2[CH:5]=[CH:4][C:3]([CH2:2][NH:1][C:45]([CH:37]3[CH2:38][C:39]4[C:44](=[CH:43][CH:42]=[CH:41][CH:40]=4)[CH2:35][NH:36]3)=[O:46])=[CH:8][C:7]=2[CH2:9][OH:10])[CH:13]2[C:22]3[N:21]=[CH:20][CH:19]=[CH:18][C:17]=3[CH2:16][CH2:15][CH2:14]2)[CH:29]=1)([CH3:33])([CH3:32])[CH3:31]

Participants

7

Reactant 5

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 27241351,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid hydrochlorideHCID 67271580(5-Aminomethyl-2-{[(4-tert-butyl-pyridin-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-phenyl)-methanol

Product 1

HCID 672718111,2,3,4-Tetrahydro-isoquinoline-3-carboxylic acid 4-{[(4-tert-butyl-pyridin-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-3-hydroxymethyl-benzylamideYield 28%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

(5-Aminomethyl-2-{[(4-tert-butyl-pyridin-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-phenyl)-methanol (0.047 g, 0.11 mmol), (±)-1,2,3,4-tetrahydro-3-isoquinoline carboxylic acid hydrochloride (0.027 g, 0.13 mmol), HOBT (0.017 g, 0.13 mmol), EDCI (0.024 g, 0.13 mmol) and DIPEA (40 μL, 0.26 mmol) in CH2Cl2 (8 mL) were reacted according to General Procedure G. Purification by column chromatography on silica gel (CH2Cl2:MeOH:NH4OH, 94:5:1, v/v/v) afforded 1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid 4-{[(4-tert-butyl-pyridin-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-3-hydroxymethyl-benzylamide as a white solid (0.018 g, 28%). 1H NMR (CDCl3) δ 1.40 (s, 9H), 1.59 (m, 1H), 1.89-2.02 (m, 2H), 2.22 (m, 1H), 2.69 (m, 1H), 2.79 (m, 1H), 3.22 (dt, 1H, J=12.0, 3.0 Hz), 3.55-3.66 (m, 4H), 3.87 (m, 1H), 3.94 (d, 2H, J=4.5 Hz), 4.06 (d, 2H, J=12.0 Hz), 4.40 (m, 3H), 7.04-7.24 (m, 9H), 7.36 (d, 1H, J=7.5 Hz), 7.52 (br t, 1H), 7.89 (s, 1H), 8.36 (d, 1H, J=6.0 Hz), 8.51 (d, 1H, J=3.0 Hz). HPLC: 89%. ES-MS m/z 604 [M+H]+.

Workup

  1. customPurification by column chromatography on silica gel (CH2Cl2:MeOH:NH4OH, 94:5:1, v/v/v)

Sources & evidence

ORD record
ord-c132a4cdcb8645f58bb58b6444224b7c
Source dataset
uspto-grants-2011_01
Patent number
US07863293B2

Reaction notes

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