... Consecutive alkylation of 2,4-pentane- dione at the methyl carbons could be achieved using the dianion chemistry (eq. [3]) (14). ... Ph,P, CBr,, 91% Page 5. CAN. J. CHEM. VOL. 72, 1994 ... I-Butyllithium (in hexane) was obtained from the Aldrich Chemical Company and was ...
[Osakada, Kohtaro; Takenaka, Yasumasa; Yamaguchi, Isao; Yamamoto, Takakazu Bulletin of the Chemical Society of Japan, 1998 , vol. 71, # 6 p. 1477 - 1482]
