Acetonitrile → HCID 10026871, compound

HRID 741928Notes

Reaction equation

HRID 741928 reaction equation
[F:1][C:2]1[CH:16]=[CH:15][C:5]2[C:6]([CH:9]3[CH2:14][CH2:13][NH:12][CH2:11][CH2:10]3)=[N:7][O:8][C:4]=2[CH:3]=1.C([O-])([O-])=O.[K+].[K+].Cl[CH2:24][CH2:25][CH2:26][O:27][C:28]1[CH:29]=[C:30]2[C:35](=[CH:36][C:37]=1[O:38][CH3:39])[C:34](=[O:40])[CH2:33][CH2:32][CH2:31]2.C(#N)C>O>[F:1][C:2]1[CH:16]=[CH:15][C:5]2[C:6]([CH:9]3[CH2:10][CH2:11][N:12]([CH2:24][CH2:25][CH2:26][O:27][C:28]4[CH:29]=[C:30]5[C:35](=[CH:36][C:37]=4[O:38][CH3:39])[C:34](=[O:40])[CH2:33][CH2:32][CH2:31]5)[CH2:13][CH2:14]3)=[N:7][O:8][C:4]=2[CH:3]=1

Participants

6

Reactant 4

HCID 6342AcetonitrileHCID 11430Potassium CarbonateHCID 8494213-(4-Piperidyl)-6-fluoro-1,2-benzisoxazoleHCID 104457686-(3-Chloropropoxy)-7-methoxy-1-tetralone

Product 1

HCID 10026871HCID 10026871, compoundYield 117.4%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

A mixture of 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole (0.78 g, 3.6 mmol), K2CO3 (0.60 g, 4.1 mmol), KI (100 mg), 6-(3-chloropropoxy)-7-methoxy-1-tetralone (0.87 g, 3.2 mmol), and acetonitrile (50 ml) was stirred at reflux under nitrogen for 17 hours. The cooled reaction was poured into 100 ml of water and the aqueous mixture was extracted with ethyl acetate. The ethyl acetate extract was washed with brine, dried with MgSO4 and concentrated to yield 1.7 g of a brown oil. The oil was purified by preparative HPLC (Waters Associates Prep LC/system 500) to afford 1.0 g of a light brown solid. This was combined with an additional sample (2.3 g total) and recrystallization from ethanol yielded 1.7 g. A subsequent recrystallization from ethanol gave 1.25 g (36%) of 6-[3-[4-(6-fluoro-2,2-benzisoxazol-3-yl)-1-piperidinyl]-propoxy]-7-methoxy-1-tetralone as a beige powder, m.p.=129°-131° C.

Workup

  1. temperatureat reflux under nitrogen for 17 hours
  2. customThe cooled reaction
  3. extractionthe aqueous mixture was extracted with ethyl acetate
  4. extractionThe ethyl acetate extract
  5. washwas washed with brine
  6. dry with materialdried with MgSO4
  7. concentrationconcentrated

Sources & evidence

ORD record
ord-393e5c3c721640b1a63f18099f507033
Source dataset
uspto-grants-1996_09
Patent number
US05552414

Reaction notes

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