Nuclear magnetic resonance studies of the conformations of 1, 2

(C9-Clo, 0.03 A) is in agreement with the description of the charge-delocalized nature of I which predicts that C9-Clo should have considerable double...
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(C9-Clo, 0.03 A) is in agreement with the description of the charge-delocalized nature of I which predicts that C9-Clo should have considerable double bond character. Selected least-squares planes are presented in Table V. The molecular plane (plane 5, Table V) composed of ring atoms reveals the approximate planarity of the ring system. Table VI lists the intermolecular conJacts,