3-Pentanamine → 4-[Ethyl-(2-hydroxy-ethyl)-amino]-6-methyl-2-(2,4,6-trimethyl-phenoxy)-nicotinic acid methyl ester

HRID 1831664Notes

Reaction equation

HRID 1831664 reaction equation
[CH3:1][O:2][C:3](=[O:22])[C:4]1[C:9](Cl)=[CH:8][C:7]([CH3:11])=[N:6][C:5]=1[O:12][C:13]1[C:18]([CH3:19])=[CH:17][C:16]([CH3:20])=[CH:15][C:14]=1[CH3:21].C([CH:25]([NH2:28])[CH2:26]C)C.CN1CC[CH2:32][C:31]1=[O:35]>>[CH3:1][O:2][C:3](=[O:22])[C:4]1[C:9]([N:28]([CH2:25][CH3:26])[CH2:32][CH2:31][OH:35])=[CH:8][C:7]([CH3:11])=[N:6][C:5]=1[O:12][C:13]1[C:18]([CH3:19])=[CH:17][C:16]([CH3:20])=[CH:15][C:14]=1[CH3:21]

Participants

4

Reactant 3

HCID 120193-PentanamineHCID 13387N-methyl-2-pyrrolidoneHCID 248056514-Chloro-2-(2,4,6-trimethyl-phenoxy)-6-methyl-nicotinic acid methyl ester

Product 1

HCID 695875454-[Ethyl-(2-hydroxy-ethyl)-amino]-6-methyl-2-(2,4,6-trimethyl-phenoxy)-nicotinic acid methyl ester

Conditions

Temperature
130 °C

Procedure

A mixture of 4-chloro-6-methyl-2-(2,4,6-trimethyl-phenoxy)-nicotinic acid methyl ester and 1-ethyl-propyl-amine in 1-methyl-2-pyrrolidinone was heated at 130° C. until starting material was consumed. The mixture was quenched with water, brine and extracted with ethyl acetate. The organic layer was dried and concentrated to dryness. The residue was purified through silica gel column chromatography to give the title compound. 1H NMR(CDCl3) d 6.85(s,2H), 6.40(s,1H), 3.88(s,3H), 3.73(t,2H), 3.43(t,2H), 3.31(q,2H), 2.27(s,3H), 2.22(s,3H), 2.06(s,6H), 1.15(t,3H) ppm.

Workup

  1. customwas consumed
  2. customThe mixture was quenched with water, brine
  3. extractionextracted with ethyl acetate
  4. customThe organic layer was dried
  5. concentrationconcentrated to dryness
  6. customThe residue was purified through silica gel column chromatography

Sources & evidence

ORD record
ord-873519dc1dd948a2916a99b87a9ea240
Source dataset
uspto-grants-2006_06
Patent number
US07067664B1

Reaction notes

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