HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tetrachlorophthalic anhydride → 2,3,4,5-Tetrachloro-6-[4-(diethylamino)-2-methylbenzoyl]benzoic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Tetrachlorophthalic anhydride | HCID 8326 | — |
| Reactant | N,N-diethyl-m-toluidine | HCID 66679 | — |
| Reactant | Aluminum(III) Chloride | HCID 6451240 | — |
| Solvent | 1,2-Dichlorobenzene | HCID 7239 | — |
| Product | 2,3,4,5-Tetrachloro-6-[4-(diethylamino)-2-methylbenzoyl]benzoic acid | HCID 104336 | 77.3% |
Reaction Steps
In a manner similar to that of part A of Example 1 condensation of tetrachlorophthalic anhydride (21.4 g.) and N,N-diethyl-m-toluidine (41 g.) in contact with aluminum chloride (30 g.) and with o-dichlorobenzene (90 ml.) as diluent afforded 2-(2-methyl-4-(diethylamino)benzoyl)-3,4,5,6-tetrachlorobenzoic acid (IV: Y2 = CH3, Y'4 = (CH3CH2)2N, Z4 = Z"5 = Z"6 = Z7 = Cl) (26 g., m.p. 117° C. with sublimation).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04096176 |
| Source dataset | uspto-grants-1978_06 |
| ORD ID | ord-b20524e852264971892ce9841e6c6e56 |
| Source note | uspto-grants-1978_06 |