Resorcinol → 7-Hydroxy-4-oxo-spiro(chroman-2,4'-oxan)

HRID 494959Notes

Reaction equation

HRID 494959 reaction equation
[C:1]1([CH:8]=[CH:7][CH:6]=[C:4]([OH:5])[CH:3]=1)[OH:2].[O:9]1[CH2:14][CH2:13][C:12](=[CH:15][C:16](O)=[O:17])[CH2:11][CH2:10]1.OC1C=C(O)C=C2C=1C(=O)CC(C)(C)O2>>[OH:2][C:1]1[CH:3]=[C:4]2[C:6]([C:16](=[O:17])[CH2:15][C:12]3([O:5]2)[CH2:13][CH2:14][O:9][CH2:10][CH2:11]3)=[CH:7][CH:8]=1

Participants

4

Reactant 3

HCID 5054ResorcinolHCID 8213625,7-Dihydroxy-2,2-dimethylchroman-4-oneHCID 149949952-(Tetrahydro-4H-pyran-4-ylidene)acetic acid

Product 1

HCID 576828317-Hydroxy-4-oxo-spiro(chroman-2,4'-oxan)

Procedure

The subject compound was synthesized from resorcinol and (tetrahydropyran-4-yliden)acetic acid according to the method described in Example 42, (1).

Sources & evidence

ORD record
ord-ac88d3474cbb4afda02996e92821c7ed
Source dataset
uspto-grants-2009_05
Patent number
US07538123B2

Reaction notes

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