A process for the preparation of prostaglandin compounds having the formula (I):
wherein A is selected from the group consisting of C
1
-C
6
alkyl groups; C
7
-C
16
aralkyl groups wherein an aryl portion thereof is unsubstituted or substituted with one to three substituents selected from the group consisting of C
1
-C
6
alkyl groups, halo and CF
3
; and (CH
2
)
n
OR′ wherein n is an integer from 1 to 3 and R′ represents a C
6
-C
10
aryl group which is unsubstituted or substituted with one to three substituents selected from the group consisting of C
1
-C
6
alkyl groups, halo and CF
3
; B is selected from OR″ and NHR″ wherein R″ is C
1
-C
6
alkyl groups; and
represents a double bond or a single bond, is disclosed. Novel intermediates are also disclosed.