Phosphorus pentachloride → HCID 20351120, compound

HRID 2052568Notes

Reaction equation

HRID 2052568 reaction equation
[C:1]([C:6]1[CH:7]=[C:8]2[C:12](=[CH:13][CH:14]=1)[NH:11][C:10](=[O:15])[C:9]2=[O:16])([O:3][CH2:4][CH3:5])=[O:2].P(Cl)(Cl)(Cl)(Cl)[Cl:18]>>[Cl-:18].[C:1]([C:6]1[CH:7]=[C:8]2[C:12](=[CH:13][CH:14]=1)[NH:11][C:10](=[O:15])[C:9]2=[O:16])([O:3][CH2:4][CH3:5])=[O:2]

Participants

3

Reactant 2

HCID 24819Phosphorus pentachlorideHCID 12351494HCID 12351494, compound

Product 1

HCID 20351120HCID 20351120, compound

Procedure

By reacting 5-carboethoxyisatin with phosphorous pentachloride, there is obtained 5-carboethoxyisatin chloride which, on reaction with 3(2H)-thianaphthenone, yields 5'-carboethoxy-2'-indole-2-thianaphthenone indigo, which also is useful as a dyestuff.

Sources & evidence

ORD record
ord-e0d751dc36724987a70fe152440d3b61
Source dataset
uspto-grants-1980_01
Patent number
US04186132

Reaction notes

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