2-Methoxyethylamine → 3-Methoxyethylaminomethylene-6,7-dimethoxy-2-methyl-4-oxo-1,2,3,4-tetrahydro-1-quinoline carboxylic acid, ethyl ester

HRID 328812Notes

Reaction equation

HRID 328812 reaction equation
O[CH:2]=[C:3]1[C:12](=[O:13])[C:11]2[C:6](=[CH:7][C:8]([O:16][CH3:17])=[C:9]([O:14][CH3:15])[CH:10]=2)[N:5]([C:18]([O:20][CH2:21][CH3:22])=[O:19])[CH:4]1[CH3:23].[CH3:24][O:25][CH2:26][CH2:27][NH2:28]>>[CH3:24][O:25][CH2:26][CH2:27][NH:28][CH:2]=[C:3]1[C:12](=[O:13])[C:11]2[C:6](=[CH:7][C:8]([O:16][CH3:17])=[C:9]([O:14][CH3:15])[CH:10]=2)[N:5]([C:18]([O:20][CH2:21][CH3:22])=[O:19])[CH:4]1[CH3:23]

Participants

3

Reactant 2

HCID 80182-MethoxyethylamineHCID 70638946Racemic Ethyl 6,7-Dimethoxy-3-hydroxymethylene-2-methyl-4-oxo-1,2,3,4-tetrahydroquinoline-1-carboxylate

Product 1

HCID 1317104433-Methoxyethylaminomethylene-6,7-dimethoxy-2-methyl-4-oxo-1,2,3,4-tetrahydro-1-quinoline carboxylic acid, ethyl ester

Procedure

The procedure of Example 13 is repeated, starting with 3.21 g. of 3-hydroxymethylene-6,7-dimethoxy-2-methyl-4-oxo-1,2,3,4-tetrahydro-1-quinoline carboxylic acid, ethyl ester and 890 mg. of methoxyethylamine in 30 ml., to give 1.5 g. of the crude product as a yellow oil.

Workup

  1. custom, to give 1.5 g

Sources & evidence

ORD record
ord-8f3812ad3a924e34ae21e7293645becf
Source dataset
uspto-grants-1977_04
Patent number
US04018758

Reaction notes

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