... Soc. (1960) 4454. 128. Sidgwick, NV, The Organic Chemistry of Nitrogen, revised Taylor, TWJ and Baker, W., p. 553 et seq., London (Oxford University Press) 1942. 129. ... (a) Clemo, GR and Gourlay, WM J. chem. Soc. (1938) 478; (b) Shaw, BD 125 (1924) 2363. 184. ...