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A: Gradually distorted cycloalkenyl‐substituted porphyrins 81–83.[118b] B: Distorted “H2EtxTPPs” 84–87 as well as 47 and 74 with graded degrees of β‐ethyl substitution and incrementally increasing nonplanarity.[132] C: Structures[58] of 47 (CCDC: TPHPOR10)[117a] and 84–87 (TATPOT01, TATPUZ01, TATQAG01, TATQEK01) in the crystal.132 For comparison see Figure 19 for a crystal structure of 74.
