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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 32067Generated: October 26, 2026

1,2-Dichloroethane → HCID 68927242, compound

https://huagongshe.com/reaction/32067

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2-DichloroethaneHCID 11—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
Reactant3-(naphthalene-2-sulfonamido)-3-phenylpropionic AcidHCID 3632641—
Reactant8-Piperidin-1-ylmethylchroman-4-ylamine dihydrochlorideHCID 68927176—
SolventDichloromethaneHCID 6344—
ProductHCID 68927242HCID 68927242—

Reaction Steps

8-Piperidin-1-ylmethylchroman-4-ylamine dihydrochloride (Step E) (28 mg, 0.11 mmol), 3-(naphthalen-2-yl-sulfonylamino)-3-phenylpropionic acid (40 mg, 0.11 mmol), HOBt (17 mg, 0.12 mmol), and DIEA (21 mg, 0.16 mmol) were dissolved in CH2Cl2 (5 mL). EDC (25 mg, 0.13 mmol) was added and the reaction was kept at 22-25° C. overnight until completed. The reaction solution was washed with dilute (˜5%) NaHCO3—H2O and H2O, then dried over MgSO4, filtered and concentrated in vacuo to provide a residue which was purified by column chromatography (silica gel, 0.5% Et3N in EtOAc). The compound was converted to the HCl salt in Et2O to provide the title compound as a mixture of diastereomers, as a white solid (ca. 1:1 by 1H NMR). MS (ESI) 584 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07425631B2
Source datasetuspto-grants-2008_09
ORD IDord-621f5303f6ad4d40971dcc29cb4ee891
Source noteuspto-grants-2008_09