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Synthesis of α,α-Dibromo Esters as Precursors of Ynolates.

✍ Scribed by Mitsuru Shindo; Yusuke Sato; Ryoko Koretsune; Takashi Yoshikawa; Kenji Matsumoto; Kotaro Itoh; Kozo Shishido

Publisher
John Wiley and Sons
Year
2003
Weight
94 KB
Volume
34
Category
Article
ISSN
0931-7597

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Novel Synthesis of Ynolates via the Cleavage of Ester Dianions: α-Bromo and α,α-Dibromo Esters as Precursors. -Thermal cleavage of ester dianions generated from readily available α-bromo-and α,α-dibromo esters offers a new and convenient method to prepare lithium ynolates. The ynolates react with al