4-Butylbenzaldehyde → 7-(4-Butyl-phenylamino)-heptanoic Acid Methyl Ester
Reaction equation
[CH2:1]([C:5]1[CH:12]=[CH:11][C:8](C=O)=[CH:7][CH:6]=1)[CH2:2][CH2:3][CH3:4].Cl.[CH3:14][O:15][C:16](=[O:24])[CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][NH2:23]>>[CH3:14][O:15][C:16](=[O:24])[CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][NH:23][C:8]1[CH:7]=[CH:6][C:5]([CH2:1][CH2:2][CH2:3][CH3:4])=[CH:12][CH:11]=1Participants
3
Procedure
Following the procedure described in Step A of Example 68, reductive amination of 4-butyl-benzaldehyde (1.50 g, 9.26 mmol) with 7-aminoheptanoic methyl ester hydrochloride (1.51 g, 7.72 mmol) provided the title compound (955 mg). 1H NMR (300 MHz, CDCl3) δ7.29 (d, 2H), 7.16 (d, 2H), 3.85 (s, 2H), 3.67 (s, 3H), 3.54 (m, 1H), 2.70 (t, 2H), 2.59 (t, 2H), 2.29 (t, 2H), 1.60 (m, 6H), 1.32 (m, 6H), 0.92 (t, 3H); MS 306 (M+1).
Sources & evidence
- ORD record
- ord-4e7c5ed1cead40558adc360f9508062c
- Source dataset
- uspto-grants-2002_02
- Patent number
- US06344485B1
Reaction notes
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