Реакция #986794

ord-99a23774817a4353bd9e48f219db5599

Уравнение реакции

O=C(O)/C=C/c1cnc[nH]1
urocanic acid
O=C(O)CCc1c[nH]cn1
solid
Выход 96.0%
O=C(O)CCc1c[nH]cn1
3-(1H-imidazol-4-yl)-propionic acid
Выход 96.0%

Реактанты

Реагенты

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    ДругоеThe catalyst was removed by filtration
  2. 2
    Концентрированиеthe filtrate was concentrated in vacuo

Методика

A suspension of urocanic acid (2.00 g, 14.5 mmol) in H2O (40 mL) was shaken at room temperature with a suspension of 10% Pd/C (200 mg, 0.19 mmol) under hydrogen atmosphere (30 psi) for 2 h. The catalyst was removed by filtration, and the filtrate was concentrated in vacuo to give a colourless solid (1.95 g, 96%). 1H NMR (D2O) δ 2.52 (t, 2H, J=7.2 Hz), 2.92 (t, 2H, J=7.2 Hz), 7.16 (s, 1H), 8.49 (s, 1H).

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US07354932B2uspto-grants-2008_04