Ethanol → Milrinone

HRID 1648810

Reaction equation

[CH3:1][C:2]([C:4]([C:9]1[CH:14]=[CH:13][N:12]=[CH:11][CH:10]=1)=[CH:5]OCC)=O.[C:15](#[N:19])[CH2:16][C:17]#[N:18].C([OH:22])C>>[CH3:1][C:2]1[NH:18][C:17](=[O:22])[C:16](=[CH:5][C:4]=1[C:9]1[CH:10]=[CH:11][N:12]=[CH:13][CH:14]=1)[C:15]#[N:19]

Participants

Reactant 3

HCID 702Ethanol

HCID 8010Malononitrile

HCID 30212274-Ethoxy-3-(4-pyridyl)-3-buten-2-one

Product 1

HCID 4197Milrinone

Procedure

The process according to claim 4 where 2-ethoxy-1-(4-pyridinyl)ethenyl methyl ketone is refluxed with malononitrile in ethanol to produce 1,2-dihydro-6-methyl-2-oxo-5-(4-pyridinyl)nicotinonitrile.

Sources & evidence

ORD record: ord-ee06fb388521427aa7b39ed778f27469
Source dataset: uspto-grants-1983_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04413127

Linked notes

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