Stereochemistry of rigid [2.2]paracyclophanylphenonium ions. Formolysis of the exo and endo isomers of 17-tosyloxymethyl-4,5-tetramethylene[2.2]paracyclophane
Stereochemistry of rigid [2.2]paracyclophanylphenonium ions. Formolysis of the exo and endo isomers of 17-tosyloxymethyl-4,5-tetramethylene[2.2]paracyclophane