Реакция #8331

ord-482e9e53739947068ed5441ee039ebd0

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    Концентрированиеconcentrated in vacuo
  2. 2
    ДругоеThe residue is purified by SCX resin, (2 N ammonia in methanol),

Методика

Lithium hydroxide monohydrate (0.65 g, 15.6 mmol) is added to a solution of 4-(2-pyridin-2-yl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)-quinoline-7-carboxylic acid methyl ester (1.44 g, 3.89 mmol) in 2:1 tetrahydrofuran/water (30 mL), stirred at room temperature for 18 h, and concentrated in vacuo. The residue is purified by SCX resin, (2 N ammonia in methanol), to yield the title compound, 1.22 g (88%), as a tan solid.

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US07087626B2uspto-grants-2006_08