2-Aminophenol → HCID 178467265, compound

HRID 437966Notes

Reaction equation

HRID 437966 reaction equation
[OH:1][C:2]1[CH:8]=[CH:7][CH:6]=[CH:5][C:3]=1[NH2:4].[C:9]([C:12]1[C:13](=[O:23])[O:14][C:15]([OH:22])=[C:16]([C:19](=O)[CH3:20])[C:17]=1[OH:18])(=[O:11])[CH3:10]>CO>[C:9]([C:12]1[C:13](=[O:23])[O:14][C:15](=[O:22])[C:16](=[C:19]([NH:4][C:3]2[CH:5]=[CH:6][CH:7]=[CH:8][C:2]=2[OH:1])[CH3:20])[C:17]=1[OH:18])(=[O:11])[CH3:10]

Participants

4

Reactant 2

HCID 58012-AminophenolHCID 1354659693,5-Diacetyl-2,6-dihydroxy-4h-pyran-4-one

Product 1

HCID 178467265HCID 178467265, compound

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

Similarly, m-hydroxyaniline and o-hydroxyaniline are reacted with an equimolar amount of 3,5-diacetyl-4,6-dihydroxy-2H-pyran-2-one in methanol to give the respective products, 5-acetyl-4-hydroxy-3-[1-(m-hydroxyphenylamino)ethylidene]-2H-pyran-2,6(3H)-dione, m.p. 213°-216° C., and 5-acetyl-4-hydroxy-3-[1-(o-hydroxyphenylamino)ethylidene]-2H-pyran-2,6(3H)-dione, m.p. 210°-212° C.

Sources & evidence

ORD record
ord-3278a33cf32d4a788a53e8f4d60068b3
Source dataset
uspto-grants-1977_06
Patent number
US04032652

Reaction notes

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