Cobalt (II)-catalyzed reaction of aldehydes with acetic anhydride under an oxygen atmosphere: scope and mechanism

~60%

~60%

~59%

~23%

~22%

~36%

~40%

~41%

~58%

~57%

~77%

~18%

~18%

~27%

~15%

~58%

~38%

~37%

~43%

~24%

~92%