Figure 3. Wax capsules for the Pd-catalyzed CN cross-coupling of 1° and 2° amines with aryl halides.

a) Contents of the wax capsule for the amination of aryl halides. b) Examples of C–N coupling using the wax capsules. Isolated yields are reported as an average of two runs. ^*Previously reported isolated yields. ^†Toluene was used as the reaction solvent. ^‡Isolated yield after storing a capsule on the bench top for over eight months.