Ethylene Glycol → 1-(10,11-Dihydro-3-methoxy-8-methylthio-dibenzo[b,f]thiepin-10-yl)-piperazine

HRID 1075877Notes

Reaction equation

HRID 1075877 reaction equation
C([N:6]1[CH2:11][CH2:10][N:9]([CH:12]2[C:18]3[CH:19]=[C:20]([S:23][CH3:24])[CH:21]=[CH:22][C:17]=3[S:16][C:15]3[CH:25]=[C:26]([O:29][CH3:30])[CH:27]=[CH:28][C:14]=3[CH2:13]2)[CH2:8][CH2:7]1)(OCC)=O.C(O)CO.[OH-].[K+]>O>[CH3:30][O:29][C:26]1[CH:27]=[CH:28][C:14]2[CH2:13][CH:12]([N:9]3[CH2:8][CH2:7][NH:6][CH2:11][CH2:10]3)[C:18]3[CH:19]=[C:20]([S:23][CH3:24])[CH:21]=[CH:22][C:17]=3[S:16][C:15]=2[CH:25]=1

Participants

5

Reactant 3

HCID 174Ethylene GlycolHCID 14797Potassium HydroxideHCID 134982441-Carbethoxy-4-(10,11-dihydro-3-methoxy-8-methylthio-dibenzo[b,f]thiepin-10-yl)-piperazine

Product 1

HCID 134982451-(10,11-Dihydro-3-methoxy-8-methylthio-dibenzo[b,f]thiepin-10-yl)-piperazine

Reagents, catalysts & solvents 1

HCID 962WaterSolvent2×

Procedure

61 G. of 1-carbethoxy-4-(10,11-dihydro-3-methoxy-8-methylthio-dibenzo[b,f]thiepin-10-yl)-piperazine, 600 ml. of ethylene glycol, 25 g. of potassium hydroxide and 2.7 ml. of water are heated at 160°C. for a period of 2 hours. Then, the mixture is poured on to water and extracted with benzene. The organic phase is washed with water, dried over magnesium sulfate and evaporated under reduced pressure, whereby there is obtained 1-(10,11-dihydro-3-methoxy-8-methylthio-dibenzo[b,f]thiepin-10-yl)-piperazine.

Workup

  1. extractionextracted with benzene
  2. washThe organic phase is washed with water
  3. dry with materialdried over magnesium sulfate
  4. customevaporated under reduced pressure

Sources & evidence

ORD record
ord-2e60d062b99845e5a019aaa4fc02e6f5
Source dataset
uspto-grants-1976_05
Patent number
US03954764

Reaction notes

Loading…