(+-)-2-Butanol → HCID 69854995, compound

HRID 2298692Notes

Reaction equation

HRID 2298692 reaction equation
[OH:1][C:2]1[N:6]([CH:7](O)[CH3:8])[N:5]=[C:4]([CH3:10])[CH:3]=1.[S:11]1[CH:15]=[CH:14][CH:13]=[C:12]1[CH:16]=O.CC([OH:22])CC>>[OH:22][CH2:8][CH2:7][N:6]1[C:2](=[O:1])[C:3](=[CH:16][C:12]2[S:11][CH:15]=[CH:14][CH:13]=2)[C:4]([CH3:10])=[N:5]1

Participants

4

Reactant 3

HCID 6568(+-)-2-ButanolHCID 73642-ThiophenecarboxaldehydeHCID 178429349HCID 178429349, compound

Product 1

HCID 69854995HCID 69854995, compound

Procedure

2.85 g of 5-hydroxy-1-hydroxyethyl-3-methyl-1H-pyrazole and 2.25 g of thiophene-2-carboxaldehyde in 30 mL of 2-butanol were allowed to reflux for 7 hours. Upon cooling, a vivid orange-colored dye crystallized.

Workup

  1. temperatureto reflux for 7 hours
  2. temperatureUpon cooling

Sources & evidence

ORD record
ord-a962655275504693baae98b8a1f2ef1e
Source dataset
uspto-grants-2002_12
Patent number
US06494923B2

Reaction notes

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