Volume 31, No. 6, 1999 OPPI BRIEFS form acyloxyborane (2), a reactive intermediate. The initial reaction product2 in such reduction has been identified as the corresponding trialkoxyboroxine (3). This procedure intrigued us because the ready oxidation of the trialkoxyboroxine (3) by pyridinium chlorochromate (PCC) to the corresponding aldehyde has been demonstrated.'This communication reports a new, combined convenient ...