Direct acylamination of pyridine 1-oxide with N-phenylarenimidoyl chlorides and fluorides

~43%

~42%

~64%

~66%

~88%

~49%

~48%

~50%

~49%

~46%

~47%

~54%

~55%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~0%

~61%

~63%

~64%

~38%

~39%