Реакция #992682

ord-c7156b57d90c4b4eb7ca744e436741aa

Уравнение реакции

O=C(O)C(F)(F)F
Trifluoroacetic acid
N=C(N)N.O=C(O)O
Guanidine carbonate
NC(N)=[NH2+].O=C([O-])C(F)(F)F
Guanidinium TFA

Реагенты

Нет

Растворители

Условия реакции

Температура
90°CELSIUS
Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    workup.STIRRINGwith stirring as
  2. 2
    Другоеto avoid bubbling over the sides of the beaker due to the evolution of carbon dioxide
  3. 3
    workup.STIRRINGThe reaction was stirred at room temperature for 2 hours
  4. 4
    ДругоеThe water was removed in vacuo
  5. 5
    ДругоеThe product was recovered as a white crystalline solid

Методика

Trifluoroacetic acid (50.0 ml, 74.0 g, 649 mmol) was added to 500 ml of distilled water in a 4-liter beaker with stirring. Guanidine carbonate (58.5 g, 324.5 mmol) was added at room temperature in portions with stirring as to avoid bubbling over the sides of the beaker due to the evolution of carbon dioxide. The reaction was stirred at room temperature for 2 hours. The water was removed in vacuo with heating to approximately 90° C. for 4 hours. The product was recovered as a white crystalline solid.

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US08012277B2uspto-grants-2011_09