Ethanol → HCID 68431852, compound

HRID 1250362Notes

Reaction equation

HRID 1250362 reaction equation
C(O)C.[CH:4]1([N:7]2[C:16]3[C:11](=[CH:12][CH:13]=[C:14]([C:21]4[CH:22]=[C:23]5[C:27](=[CH:28][CH:29]=4)[C@@H:26]([CH3:30])[NH:25][CH2:24]5)[C:15]=3[O:17][CH:18]([F:20])[F:19])[C:10](=[O:31])[C:9]([C:32]([OH:34])=[O:33])=[CH:8]2)[CH2:6][CH2:5]1.[P:35](=[O:39])([OH:38])([OH:37])[OH:36]>O>[P:35]([OH:39])([OH:38])([OH:37])=[O:36].[CH:4]1([N:7]2[C:16]3[C:11](=[CH:12][CH:13]=[C:14]([C:21]4[CH:22]=[C:23]5[C:27](=[CH:28][CH:29]=4)[C@@H:26]([CH3:30])[NH:25][CH2:24]5)[C:15]=3[O:17][CH:18]([F:20])[F:19])[C:10](=[O:31])[C:9]([C:32]([OH:34])=[O:33])=[CH:8]2)[CH2:6][CH2:5]1

Participants

5

Reactant 3

HCID 702EthanolHCID 1004Phosphoric AcidHCID 124093Garenoxacin

Product 1

HCID 68431852HCID 68431852, compoundYield 52%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
50 °C

Procedure

In 10 ml of 50% water-containing ethanol is suspended 0.5 g of (R)-1-cyclopropyl-8-difluoromethoxy-7-(1-methyl-2,3-dihydro-1H-5-isoindolyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid and the suspension is warmed to 50° C., after which 0.14 g of phosphoric acid is added to the warmed suspension to form a uniform solution. Subsequently, the solution is stirred at the same temperature for 10 minutes and then subjected to filtration. The filtrate is cooled to room temperature and then the crystals deposited are collected by filtration to obtain 0.32 g of (R)-1-cyclopropyl-8-difluoromethoxy-7-(1-methyl-2,3-dihydro-1H-5-isoindolyl)-4-oxo-1,4-dihydro-3-quinoline-carboxylic acid phosphate.

Workup

  1. customto form a uniform solution
  2. filtrationsubjected to filtration
  3. temperatureThe filtrate is cooled to room temperature
  4. filtrationthe crystals deposited are collected by filtration

Sources & evidence

ORD record
ord-1934e242e1364a458db2d44c616b8ea7
Source dataset
uspto-grants-2002_01
Patent number
US06337399B1

Reaction notes

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