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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 251293Generated: October 31, 2026

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

https://huagongshe.com/reaction/251293

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
Reactant1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid hydrochlorideHCID 2724135—
Reactant(5-Aminomethyl-2-{[(4-tert-butyl-pyridin-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-phenyl)-methanolHCID 67271580—
SolventDichloromethaneHCID 6344—
Product1,2,3,4-Tetrahydro-isoquinoline-3-carboxylic acid 4-{[(4-tert-butyl-pyridin-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-3-hydroxymethyl-benzylamideHCID 6727181128%

Reaction Steps

(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]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07863293B2
Source datasetuspto-grants-2011_01
ORD IDord-c132a4cdcb8645f58bb58b6444224b7c
Source noteuspto-grants-2011_01