... F. Blicke arid R. H. Cox, “Medicinal Chemistry,” Vol. 111, Wiley, New York, NY, 1956, p 51. ... TABLE IV STERICALLY HINDERED ORGANIC BASES DIAMINES QUATERNIZED WITH METHYL IODIDE IN THE PRESENCE OF PKII Solvent DMF ... (22) H. K. Hall, Jr., J. Amer. Chem. ...