... Also, Lowenbein4 had found that flavylium perchlorates undergo a coupling reaction with phenylmag- (1) Shriner and Moffett, THIS JOURNAL, 62, 2711 (1940). (2) Dilthey, J . prakf. ... Page 3. 1696 RL SHRINER AND ROBERT BRUCE MOFFETT Vol. ... The benzene-ether layer was separated, dried with sodium (12) Pratt and Robinson, J . Chem. Soc., 121, 1577 (1922): Shriner (13) Von Auwers, Be?., 63, 2251 (1920). and hloffett, THIS JOURHAL, 61, 1474 (1939). ...