Question: Arachidonic acid is the biosynthetic precursor to PGE2. The structures of PGE1 (see Figure 26.5) and PGE2 are identical except that PGE2 has one more

Arachidonic acid is the biosynthetic precursor to PGE2. The structures of PGE1 (see Figure 26.5) and PGE2 are identical except that PGE2 has one more double bond than PGE1. Suggest a reasonable structure for PGE2
FIGURE 26.5
Structures of two representative prosta-glandins. The numbering scheme is illustrated in the structure of PGE1.

COOH CH CH 19 13 HO Prostaglandin Et PGE1) Prostaglandin Fia (PGFia)

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