4-Methyl-5-((2R)-oxiran-2-yl)-2-benzofuran-1(3H)-one → 4-[(2R)-2-hydroxy-2-(4-methyl-1-oxo-1,3-dihydro-2-benzofuran-5-yl)ethyl]-1-[2-(4-methyl-1-oxo-1,3-dihydro-2-benzofuran-5-yl)ethyl]piperazin-2-one

HRID 1466177Notes

Reaction equation

[CH3:1][C:2]1[C:10]2[CH2:9][O:8][C:7](=[O:11])[C:6]=2[CH:5]=[CH:4][C:3]=1[CH2:12][CH2:13][N:14]1[CH2:19][CH2:18][NH:17][CH2:16][C:15]1=[O:20].[CH3:21][C:22]1[C:30]2[CH2:29][O:28][C:27](=[O:31])[C:26]=2[CH:25]=[CH:24][C:23]=1[C@@H:32]1[CH2:34][O:33]1>CCO>[OH:33][C@H:32]([C:23]1[CH:24]=[CH:25][C:26]2[C:27](=[O:31])[O:28][CH2:29][C:30]=2[C:22]=1[CH3:21])[CH2:34][N:17]1[CH2:18][CH2:19][N:14]([CH2:13][CH2:12][C:3]2[CH:4]=[CH:5][C:6]3[C:7](=[O:11])[O:8][CH2:9][C:10]=3[C:2]=2[CH3:1])[C:15](=[O:20])[CH2:16]1

Participants

Conditions

Temperature: 100 °C

Procedure

A sealed tube containing 1-[2-(4-Methyl-1-oxo-1,3-dihydro-2-benzofuran-5-yl)ethyl]piperazin-2-one (60 mg, 0.19 mmol) and 4-methyl-5-[(2R)-oxiran-2-yl]-2-benzofuran-1(3H)-one dissolved in 1 mL of EtOH was heated to 100° C. overnight. After 16 hrs the solvent was removed and the material purified via flash chromatography to give the title product. LC-MS (IE, m/z): 465 [M+1]+.

Workup

customAfter 16 hrs the solvent was removed
customthe material purified via flash chromatography

Sources & evidence

ORD record: ord-b06bcee776fa4287bb3b771d921f7a2e
Source dataset: uspto-grants-2015_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08999990B2

Reaction notes

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