Benzothiazole → 3-(Prop-2-en-1-yl)-1,3-benzothiazol-3-ium bromide

HRID 1075735Notes

Reaction equation

HRID 1075735 reaction equation
[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[CH:2]1.[CH2:10]([Br:13])[CH:11]=[CH2:12]>>[Br-:13].[CH2:12]([N+:3]1[C:4]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=2[S:1][CH:2]=1)[CH:11]=[CH2:10]

Participants

3

Reactant 2

HCID 7222BenzothiazoleHCID 7841Allyl bromide

Product 1

HCID 1777433-(Prop-2-en-1-yl)-1,3-benzothiazol-3-ium bromide

Procedure

135 g of benzothiazole and 121 g of allylbromide were mixed and the mixture was heated for 2 hours on a steam bath to solidify by crystallization. After cooling, diethyl ether was added to wash the crystals. After filtration and drying, the crystals obtained were recrystallized from ethanol. Melting point: 145°-147°C.

Workup

  1. temperaturethe mixture was heated for 2 hours on a steam bath
  2. customto solidify by crystallization
  3. temperatureAfter cooling
  4. additiondiethyl ether was added
  5. washto wash the crystals
  6. filtrationAfter filtration
  7. customdrying
  8. customthe crystals obtained
  9. customwere recrystallized from ethanol

Sources & evidence

ORD record
ord-bacc7980f0ac48e1bad84dc4e8621280
Source dataset
uspto-grants-1976_05
Patent number
US03954478

Reaction notes

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