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

~41%

~41%

~32%

~29%

~30%

~32%

~31%

~29%

~19%

~18%

~22%

~25%

~22%

~12%

~4%

~10%

~10%

~43%

~32%

~29%

~31%

~32%

~30%

~29%

~18%

~22%

~23%

~22%

~13%

~10%

~11%

~29%

~45%

~47%