Dichloromethane → HCID 22767896, compound

HRID 2419296Notes

Reaction equation

HRID 2419296 reaction equation
C[O:2][C:3]1[CH:4]=[CH:5][C:6]2[CH2:12][CH:11]([N:13]3[CH2:18][CH2:17][N:16]([CH3:19])[CH2:15][CH2:14]3)[C:10]3[CH:20]=[C:21]([CH3:24])[CH:22]=[CH:23][C:9]=3[O:8][C:7]=2[CH:25]=1.C(Cl)Cl.B(Br)(Br)[Br:30]>CO>[BrH:30].[BrH:30].[CH3:24][C:21]1[CH:22]=[CH:23][C:9]2[O:8][C:7]3[CH:25]=[C:3]([OH:2])[CH:4]=[CH:5][C:6]=3[CH2:12][CH:11]([N:13]3[CH2:18][CH2:17][N:16]([CH3:19])[CH2:15][CH2:14]3)[C:10]=2[CH:20]=1

Participants

5

Reactant 3

HCID 6344Dichloromethane2×HCID 25134Boron tribromideHCID 22767880HCID 22767880, compound

Product 1

HCID 22767896HCID 22767896, compound

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

4.0 G. of 4-[10,11-dihydro-3-methoxy-8-methyl-dibenz[b,f]oxepin-10-yl]-1-methyl-piperazine are dissolved in 600 ml. of methylene chloride, treated with a solution of 8.9 g. of boron tribromide in 90 ml. of methylene chloride and stirred at room temperature for 20 hours. The residue is taken up in 150 ml. of methanol, boiled at reflux for 30 minutes with active carbon, filtered, concentrated to about 70 ml., treated with ether until turbidity sets in, and there is obtained crystalline 10,11-dihydro-8-methyl-10-(4-methyl-1-piperazinyl)-dibenz[b,f]-oxepin-3-ol dihydrobromide having a melting point of 176° C. (with decomposition).

Workup

  1. temperatureat reflux for 30 minutes with active carbon
  2. filtrationfiltered
  3. concentrationconcentrated to about 70 ml
  4. addition, treated with ether until turbidity sets in, and there

Sources & evidence

ORD record
ord-f2f54e0cf9d4421f83ad4a79a714e11e
Source dataset
uspto-grants-1978_08
Patent number
US04105664

Reaction notes

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