Tetrachlorophthalic anhydride → 4,5,6,7-tetrachloro-2,3-dihydro-1H-indene-1,3-dione

HRID 1284304

Reaction equation

[Cl:1][C:2]1[C:3]([Cl:15])=[C:4]([Cl:14])[C:5]([Cl:13])=[C:6]2[C:11](=[O:12])[O:10][C:8](=O)[C:7]=12.[C:16]1(=O)C2C(=CC=CC=2)CC1=O>>[Cl:13][C:5]1[C:4]([Cl:14])=[C:3]([Cl:15])[C:2]([Cl:1])=[C:7]2[C:6]=1[C:11](=[O:12])[CH2:16][C:8]2=[O:10]

Participants

Reactant 2

HCID 8326Tetrachlorophthalic anhydride

HCID 1233581,2-Indandione

Product 1

HCID 27290424,5,6,7-tetrachloro-2,3-dihydro-1H-indene-1,3-dione

Procedure

Tetrachloro phthalic anhydride was converted to the indane dione by the method described in Example 8(a), decomposes on heating. (Found; C, 39.01; H, 0.75; Cl, 50.15; C9H2Cl4O2 requires: C, 38.07; H, 0.71; C, 49.60%).

Workup

temperatureon heating

Sources & evidence

ORD record: ord-9ac8ee557ee347d8a8b2573873475e79
Source dataset: uspto-grants-1976_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US03978231

Linked notes

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