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GPC traces of aliquots taken from reaction mixtures of cage synthesis in deuterated solvents (DMF‐d7 for a and b; THF‐d8 for c and d) under typical reaction conditions (see Scheme 2). a) [4+4] cube 11; b) [4+6] exo cage 12; c) [4+6] endo cage 14 and d) [4+6] endo cage 13. Depicted is always the second cycle of a recycling‐GPC for better peak separation. The blue colored peaks are assigned to the respective cage compound.
