Imidazolone → Imazapic

HRID 1654457Notes

Reaction equation

C1N=CNC1=O.[CH2:7]([C:9]1[CH:10]=[N:11][C:12]([C:18]2[NH:19][C:20](=[O:27])[C:21]([CH:24]([CH3:26])[CH3:25])([CH3:23])[N:22]=2)=[C:13]([CH:17]=1)[C:14]([OH:16])=[O:15])C.C(C1(CC(O)=O)C2C=CC=CC=2OCC1)(O)=O>>[CH:24]([C:21]1([CH3:23])[C:20](=[O:27])[NH:19][C:18]([C:12]2[N:11]=[CH:10][C:9]([CH3:7])=[CH:17][C:13]=2[C:14]([OH:16])=[O:15])=[N:22]1)([CH3:26])[CH3:25]

Participants

Reactant 3

HCID 504Imidazolone

HCID 54740Imazethapyr

HCID 166666874-carboxy-3,4-dihydro-2H-1-benzopyran-4-acetic acid2×

Product 1

HCID 91770Imazapic

Procedure

The composition according to claim 45 wherein the imidazolinone compound is 5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid and the safener compound is selected from the group consisting of the diammonium salt of 4-carboxy-3,4-dihydro-2H-1-benzopyran-4-acetic acid and 4-carboxy-3,4-dihydro-2H-1-benzopyran-4-acetic acid.

Sources & evidence

ORD record: ord-de7d3f2cb24c4ae282b0f211f38de673
Source dataset: uspto-grants-1995_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05407897

Reaction notes

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