Pyridinium chloride → HCID 21481326, compound

HRID 1659185Notes

Reaction equation

HRID 1659185 reaction equation
[CH3:1][C:2]1([C:17]2[S:18][CH:19]=[CH:20][CH:21]=2)[C:10](=[O:11])[C:9]2[C:4](=[CH:5][C:6]([O:14]C)=[C:7]([Cl:13])[C:8]=2[Cl:12])[C:3]1=[O:16].Cl.N1C=CC=CC=1>>[CH3:1][C:2]1([C:17]2[S:18][CH:19]=[CH:20][CH:21]=2)[C:10](=[O:11])[C:9]2[C:4](=[CH:5][C:6]([OH:14])=[C:7]([Cl:13])[C:8]=2[Cl:12])[C:3]1=[O:16]

Participants

3

Reactant 2

HCID 10176127Pyridinium chlorideHCID 21527352HCID 21527352, compound

Product 1

HCID 21481326HCID 21481326, compound

Conditions

Temperature
175 °C

Procedure

A stirred mixture of 2-methyl-2-(2-thienyl)-4,5-dichloro-6-methoxyindan-1,3-dione (3.81 g., 0.0112 mole) and pyridine hydrochloride (36 g.) is heated at 175°C. for one half hour, then poured into crushed ice-water (500 ml.) to give 2-methyl-2-(2-thienyl)-4,5-dichloro-6-hydroxyindan-1,3-dione.

Workup

  1. additionpoured

Sources & evidence

ORD record
ord-6fc58314e08d4fa48ea74ab9a0c7fab7
Source dataset
uspto-grants-1976_06
Patent number
US03966966

Reaction notes

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