Complex sentence: In May 1711 he was elected a member of the Académie Royale des Sciences (botany section), subsequently transferring to the "chemistry section" in 1715, from where he conducted research in the field of pharmacy.
Split into simpler sentences: In May 1711 he was elected a member of the Académie Royale des Sciences (botany section). In 1715 he transferred to the chemistry section and conducted research in the field of pharmacy.