Having established a simple protocol for accessing the naturally occurring (+)-petromyroxol (1), we next proceeded for the synthesis of three projected diastereomers 2–4 epimeric at C5 and/or C6.The minor 10a was subjected to a sequence of 4 steps that were established in the synthesis of 1 to obtain the 5-epi-(+)-petromyroxol (2) in a 40% overall yield (Scheme 3).