SEARCH Articles Figures Tables 3- Membered rings synthesis 6- membered special syntheses Five-membered ring In strategy Method strategy for Pericyclic Pericyclic rearrangement Rearrangement special Rearrangements synthesis Ring method Ring rearrangements Ring synthesis 9-membered rings Ring synthesis five-membered rings Special Strategies Specialized Methods Strategy for synthesis Synthesis methods for Synthesis special Synthesis strategies