N-(3-Hydroxy-2,2,6,7-tetramethyl-3-(2-phenylethyl)-2,3-dihydro-1-benzofuran-5-yl)-3,3-dimethylbutanamide → N-(2,2,6,7-Tetramethyl-3-(2-phenylethyl)-2,3-dihydro-1-benzofuran-5-yl)-3,3-dimethylbutanamide

HRID 1787358Notes

Reaction equation

HRID 1787358 reaction equation
O[C:2]1([CH2:23][CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[C:6]2[CH:7]=[C:8]([NH:13][C:14](=[O:20])[CH2:15][C:16]([CH3:19])([CH3:18])[CH3:17])[C:9]([CH3:12])=[C:10]([CH3:11])[C:5]=2[O:4][C:3]1([CH3:22])[CH3:21]>C(OCC)(=O)C.CCCCCC>[CH3:21][C:3]1([CH3:22])[CH:2]([CH2:23][CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[C:6]2[CH:7]=[C:8]([NH:13][C:14](=[O:20])[CH2:15][C:16]([CH3:19])([CH3:18])[CH3:17])[C:9]([CH3:12])=[C:10]([CH3:11])[C:5]=2[O:4]1

Participants

3

Reactant 1

HCID 23113920N-(3-Hydroxy-2,2,6,7-tetramethyl-3-(2-phenylethyl)-2,3-dihydro-1-benzofuran-5-yl)-3,3-dimethylbutanamide

Product 1

HCID 23114281N-(2,2,6,7-Tetramethyl-3-(2-phenylethyl)-2,3-dihydro-1-benzofuran-5-yl)-3,3-dimethylbutanamideYield 92%

Reagents, catalysts & solvents 1

HCID 21226206Ethyl acetate hexaneSolvent

Procedure

Using N-(3-hydroxy-2,2,6,7-tetramethyl-3-(2-phenylethyl)-2,3-dihydro-1-benzofuran-5-yl)-3,3-dimethylbutanamide obtained in Example 240, the title compound was synthesized in the same manner as in Example 271. Yield: 92%. Melting point: 158-159° C. (ethyl acetate-hexane).

Sources & evidence

ORD record
ord-f87d936db2784380a7afd7222688173a
Source dataset
uspto-grants-2009_03
Patent number
US07507841B2

Reaction notes

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