6,7-Diacetoxychromone-3-carboxylic acid → 7,8-Dihydroxychromone-3-carboxylic acid

HRID 894984Notes

Reaction equation

HRID 894984 reaction equation
C(O[C:5]1[CH:6]=[C:7]2[C:12](=[CH:13][C:14]=1[O:15][C:16](=[O:18])[CH3:17])[O:11][CH:10]=[C:9]([C:19]([OH:21])=[O:20])[C:8]2=[O:22])(=[O:3])C.O[C:24]1[CH:25]=[C:26]2[C:31](=[CH:32][C:33]=1[OH:34])[O:30][CH:29]=[C:28]([C:35]([OH:37])=[O:36])[C:27]2=[O:38]>>[C:16]([O:15][C:14]1[C:13]([O:37][C:35](=[O:36])[CH3:28])=[C:12]2[C:7]([C:8](=[O:22])[C:9]([C:19]([OH:21])=[O:20])=[CH:10][O:11]2)=[CH:6][CH:5]=1)(=[O:18])[CH3:17].[OH:34][C:33]1[C:32]([OH:3])=[C:31]2[C:26]([C:27](=[O:38])[C:28]([C:35]([OH:37])=[O:36])=[CH:29][O:30]2)=[CH:25][CH:24]=1

Participants

4

Reactant 2

HCID 122007746,7-Diacetoxychromone-3-carboxylic acidHCID 122007766,7-Dihydroxychromon-3-carboxylic acid

Product 2

HCID 127658447,8-Dihydroxychromone-3-carboxylic acidHCID 127658457,8-Diacetoxychromone-3-carboxylic acid

Procedure

7,8-Diacetoxychromone-3-carboxylic acid and 7,8-dihydroxychromone-3-carboxylic acid were prepared by the processes according to (A) and (B), respectively. The properties of the resulting compounds are shown in Table 1.

Sources & evidence

ORD record
ord-ebed816a8afe415e8db36292e556a6f6
Source dataset
uspto-grants-1981_08
Patent number
US04285940

Reaction notes

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