Scheme 2
Examples of photocatalyzed C(sp²)–C(sp³) cross-electrophile coupling reactions in flow. a Coupling reaction of sterically hindered o-methoxy aryl bromide 1 with potassium trifluoroborate 2. dtbbpy: 4,4'-di-tert-butyl-2,2'-bipyridine; tR: residence time. b C(sp2)–C(sp3) Suzuki–Miyaura cross-coupling reaction of aryl bromides with alkyl boranes. 4CzIPN: 2,4,5,6-tetra(9H-carbazol-9-yl)isophthalonitrile; 9-BBN: 9-borabicyclo[3.3.1]nonane; glyme: dimethoxyethane.
