2,3-Dihydroxybenzoic Acid → 1,3-Dioxaindane-4-carboxylic acid

HRID 2052225Notes

Reaction equation

[OH:1][C:2]1[C:10]([OH:11])=[CH:9][CH:8]=[CH:7][C:3]=1[C:4]([OH:6])=[O:5].[CH:12]1C=C(O)C(O)=CC=1>>[C:4]([C:3]1[CH:7]=[CH:8][CH:9]=[C:10]2[O:11][CH2:12][O:1][C:2]=12)([OH:6])=[O:5]

Participants

Reactant 2

HCID 192,3-Dihydroxybenzoic Acid

HCID 289Catechol

Product 1

HCID 3048321,3-Dioxaindane-4-carboxylic acid

Procedure

By substituting pyrocatechoic acid (ie., 2,3-dihydroxybenzoic acid) for the pyrocatechin of Example 1, and otherwise following the procedure described therein, the product 1-carboxy-methylenedioxybenzene is obtained.

Sources & evidence

ORD record: ord-d63484e3c7944ff4aca2b957e1592669
Source dataset: uspto-grants-1980_01
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04183861

Reaction notes

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