Triethylamine → 1-(6-Methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid methoxy-methyl amide

HRID 227071Notes

Reaction equation

HRID 227071 reaction equation
[CH3:1][C:2]1[N:7]=[C:6]([CH2:8][N:9]2[C:18]3[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=3)[C:12](=[O:19])[C:11]([C:20]([OH:22])=O)=[CH:10]2)[CH:5]=[CH:4][CH:3]=1.Cl.[CH3:24][NH:25][O:26][CH3:27].C(N(CC)CC)C.CCCP1(OP(CCC)(=O)OP(CCC)(=O)O1)=O>C(#N)C>[CH3:27][O:26][N:25]([CH3:24])[C:20]([C:11]1[C:12](=[O:19])[C:13]2[C:18](=[CH:17][CH:16]=[CH:15][CH:14]=2)[N:9]([CH2:8][C:6]2[CH:5]=[CH:4][CH:3]=[C:2]([CH3:1])[N:7]=2)[CH:10]=1)=[O:22]

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 81138Methanamine, N-methoxy-, hydrochloride (1:1)HCID 111923Propylphosphonic anhydrideHCID 577545881-(6-Methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

Product 1

HCID 577545121-(6-Methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid methoxy-methyl amide

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

Experimental conditions analogous to those described for Step 5 of Example 60, from crude 1-(6-Methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid, 1.27 g (12.7 mmol) of N,O-dimethylhydroxylamine hydrochloride, 9 mL (6.5 g, 64.7 mmol) of triethylamine and 9.2 mL (9.83 g, 15.5 mmol) of 50% 1-propanephosphonic acid cyclic anhydride in 50 mL acetonitrile to give 2.30 g of the product as an off-white solid.

Sources & evidence

ORD record
ord-bdd1af66856946d5a4bbeb3fadf82bf7
Source dataset
uspto-grants-2009_07
Patent number
US07557213B2

Reaction notes

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