... The A6 column gives the difference in positional chemical shifts between the phenethyl and benzylic systems. As can be seen, the Journal of the American Ciiernical Society !91:6 March 12, 1969 Page 4. 1461 Scheme 111 " 60% a5 m I . , . . . I . . , , 3 9 . # \ # 1 ' ' I ...
[Tateiwa, Jun-Ichi; Kimura, Akihiro; Takasuka, Masaaki; Uemura, Sakae Journal of the Chemical Society - Perkin Transactions 1, 1997 , # 15 p. 2169 - 2174]