4-Fluorobenzoyl chloride → 4-Fluoro-N-[3-(4-isopropylphenyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl]benzamide

HRID 1017918Notes

Reaction equation

HRID 1017918 reaction equation
[CH:1]([C:4]1[CH:9]=[CH:8][C:7]([CH:10]2[C:14]3[C:15]([CH3:22])=[C:16]([NH2:21])[C:17]([CH3:20])=[C:18]([CH3:19])[C:13]=3[O:12][C:11]2([CH3:24])[CH3:23])=[CH:6][CH:5]=1)([CH3:3])[CH3:2].[F:25][C:26]1[CH:34]=[CH:33][C:29]([C:30](Cl)=[O:31])=[CH:28][CH:27]=1>CO>[F:25][C:26]1[CH:34]=[CH:33][C:29]([C:30]([NH:21][C:16]2[C:17]([CH3:20])=[C:18]([CH3:19])[C:13]3[O:12][C:11]([CH3:24])([CH3:23])[CH:10]([C:7]4[CH:8]=[CH:9][C:4]([CH:1]([CH3:3])[CH3:2])=[CH:5][CH:6]=4)[C:14]=3[C:15]=2[CH3:22])=[O:31])=[CH:28][CH:27]=1

Participants

4

Reactant 2

HCID 678794-Fluorobenzoyl chlorideHCID 105199783-(4-Isopropylphenyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-amine

Product 1

HCID 219613164-Fluoro-N-[3-(4-isopropylphenyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl]benzamideYield 91%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

By using (−)-3-(4-isopropylphenyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-amine and 4-fluorobenzoyl chloride, the title compound was synthesized according to Example 1b. Yield: 91%. Melting point: 253-254° C. [α]D=−77.4° (c=0.500, methanol) 1H-NMR (CDCl3) δ: 1.03 (3H, s), 1.21 (6H, d, J=7.0 Hz), 1.51 (3H, s), 1.81 (3H, s), 2.18 (6H, s), 2.85 (1H, septet, J=7.0 Hz), 4.13 (1H, s), 6.8-7.4 (7H, m), 7.86-7.93 (2H, m).

Sources & evidence

ORD record
ord-7a7c06915415432b990389fca734c304
Source dataset
uspto-grants-2002_11
Patent number
US06479536B1

Reaction notes

Loading…