Potassium Chloride → HCID 13120785, compound
Reaction equation
ClCCC([O:6][C:7]1[CH:8]=[C:9]2[C:14](=[CH:15][CH:16]=1)[NH:13][C:12](=[O:17])[CH2:11][CH2:10]2)=O.[Cl-:18].[Al+3].[Cl-].[Cl-].[Cl-].[Na+].[Cl-].[K+]>>[OH:6][C:7]1[CH:8]=[C:9]2[C:14](=[CH:15][C:16]=1[C:7](=[O:6])[CH2:16][CH2:15][Cl:18])[NH:13][C:12](=[O:17])[CH2:11][CH2:10]2Participants
5
Procedure
20 Grams of 6-(β-chloropropionyloxy)-3,4-dihydrocarbostyril, 60 g of pulverized anhydrous aluminium chloride, 6 g of sodium chloride and 6 g of potassium chloride were mixed together and the mixture was melted by heating and stirred at 150°-170° C. for 1 hour. The reaction mixture was poured into ice-water and allowed stand overnight to obtain crystalline precipitates. The precipitates were collected by filtration, washed with water and dried, then recrystallized from methanol to obtain 12 g of 6-hydroxy-7-(3-chloropropionyl)-3,4-dihydrocarbostyril in white crystals. Melting point: 205°-208° C.
Workup
- temperatureby heating
- waitallowed stand overnight
- customto obtain crystalline precipitates
- filtrationThe precipitates were collected by filtration
- washwashed with water
- customdried
- customrecrystallized from methanol
Sources & evidence
- ORD record
- ord-617b6e1f3ba149408d817d868a8e8f36
- Source dataset
- uspto-grants-1986_01
- Patent number
- US04567187
Reaction notes
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