Formaldehyde → 3-(Hydroxymethyl)benzoselenazolinone

HRID 5918Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 5918
[Se:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[CH:2]1.[CH2:10]=[O:11].C[OH:13]>O>[OH:11][CH2:10][N:3]1[C:4]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=2[Se:1](=[O:13])[CH2:2]1

Komponenten

5

Reaktionsbedingungen

Temperatur
40 °C

Versuchsvorschrift

2 grams (0.01 mol) of benzoselenazoline, 2 cm3 (0.02 mol) of aqueous formaldehyde solution and 2 cm3 of methanol are introduced into a ground-necked flask. The mixture is brought to reflux two hours. After cooling to 40° C. 20 cm3 of water are added. The mixture is allowed to cool and the product is drained, washed with water, dried and recrystallized in cyclohexane.

Aufarbeitung

  1. temperatureto reflux two hours
  2. temperatureto cool
  3. washwashed with water
  4. customdried
  5. customrecrystallized in cyclohexane

Quellen und Nachweise

ORD-Eintrag
ord-5d28e8e0676841e598914b8d0977a4cb
Quelldatensatz
uspto-grants-1993_09
Patentnummer
US05246951

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