Journal of Organic Chemistry p. 886 - 891 (1986)
Update date:2022-08-03
Topics:
Yamamoto, Yoshinori
Maruyama, Kazuhiro
Komatsu, Toshiaki
Ito, Wataru
The reaction of crotyl-9-BBN (4a) with pyruvates (3) produced the threo (anti) isomer 5 either predominantly or exclusively.On the other hand, the reaction of allenic organometallic reagents 18 (M = B or Ti) gave the erythro (syn) isomer 20 preferentially
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