4-Methylmorpholine → 2-acetoxy-N-[[trans 3-(acetylthiomethyl)-2-oxo-1-azacyclodecan-10-yl]-carbonyl]-ethylamine

HRID 5400

Reaction equation

[C:1]([S:4][CH2:5][C@H:6]1[CH2:15][CH2:14][CH2:13][CH2:12][CH2:11][CH2:10][C@H:9]([C:16]([OH:18])=O)[NH:8][C:7]1=[O:19])(=[O:3])[CH3:2].Cl.[C:21]([O:24][CH2:25][CH2:26][NH2:27])(=[O:23])[CH3:22].ON1C2C=CC=CC=2N=N1.CN1CCOCC1.Cl.CN(CCCN=C=NCC)C>C(Cl)Cl>[C:21]([O:24][CH2:25][CH2:26][NH:27][C:16]([C@@H:9]1[NH:8][C:7](=[O:19])[C@@H:6]([CH2:5][S:4][C:1](=[O:3])[CH3:2])[CH2:15][CH2:14][CH2:13][CH2:12][CH2:11][CH2:10]1)=[O:18])(=[O:23])[CH3:22]

Participants

Conditions

Temperature: 0 °C

Procedure

Trans 3-(acetylthiomethyl)-2-oxo-1-azacyclodecane-10-carboxylic acid (0.15 g, 0.52 mmol), 1-acetoxy-2-aminoethane hydrochloride (0.073 g, 0.52 mmol), 1-hydroxybenzotriazole (0.12 g, 0.52 mmol), and 4-methylmorpholine (0.17 mL, 1.56 mmol) are dissolved in methylene chloride (3.0 mL), and the reaction is cooled to 0° C. To this solution is added N-(dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (0.20 g, 1.04 mmol), and the reaction is allowed to warm up to room temperature and then stirred overnight. The reaction is diluted with more methylene chloride, and the organic layer is washed with 1N hydrochloric acid, saturated sodium bicarbonate, dried (MgSO4), and the solvent is evaporated. The product is purified by silica gel chromatography (75% ethyl acetate/hexane) to give 2-acetoxy-N-[[trans 3-(acetylthiomethyl)-2-oxo-1-azacyclodecan-10-yl]-carbonyl]-ethylamine, MS: M+1=373.

Workup

temperatureto warm up to room temperature
washthe organic layer is washed with 1N hydrochloric acid, saturated sodium bicarbonate
dry with materialdried (MgSO4)
customthe solvent is evaporated
customThe product is purified by silica gel chromatography (75% ethyl acetate/hexane)

Sources & evidence

ORD record: ord-78b42a7c2bd74f04a8c7a9f150514491
Source dataset: uspto-grants-1993_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05244889

Linked notes

Loading…