Реакция #610765

ord-7ada5e22a33148269fa46b8e3f43e15f

Уравнение реакции

O=C1NC2CC2N1C(=O)OCc1ccccc1
benzyl 3-oxo-2,4-diazabicyclo[3.1.0]hexane-2-carboxylate
FC(F)(F)c1cc(Br)ccn1
4-bromo-2-(trifluoromethyl)pyridine
CC1(C)c2cccc(P(c3ccccc3)c3ccccc3)c2Oc2c(P(c3ccccc3)c3ccccc3)cccc21
xantphos
O=C([O-])[O-].[Cs+].[Cs+]
cesium carbonate
O=C(OCc1ccccc1)N1C(=O)N(c2ccnc(C(F)(F)F)c2)C2CC21
product
Выход 74.0%
O=C(OCc1ccccc1)N1C(=O)N(c2ccnc(C(F)(F)F)c2)C2CC21
benzyl 3-oxo-4-(2-(trifluoromethyl)pyridin-4-yl)-2,4-diazabicyclo[3.1.0]hexane-2-carboxylate
Выход 74.0%

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    Другоеreagents and reaction conditions
  2. 2
    Другоеto yield the crude product
  3. 3
    ДругоеPurification by column chromatography on silica gel (35% ethyl acetate in hexane)

Методика

Using analogous reagents and reaction conditions as described in Example 1 above, benzyl 3-oxo-2,4-diazabicyclo[3.1.0]hexane-2-carboxylate (100 mg, 0.43 mmol) was heated with 4-bromo-2-(trifluoromethyl)pyridine (107 mg, 0.474 mmol), xantphos (22.36 mg, 0.038 mmol), Pd2(dba)3 (12 mg, 0.012 mmol), cesium carbonate (210 mg, 0.64 mmol) and 1,4-dioxane (6.0 mL) at 100° C. for 1 hour to yield the crude product. Purification by column chromatography on silica gel (35% ethyl acetate in hexane) afforded 120 mg of the product (74% yield).

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US09339501B2uspto-grants-2016_05