Tetrahedron p. 7875 - 7886 (1991)
Update date:2022-09-26
Topics:
Barluenga, Jose
Llavona, Lujan
Yus, Miguel
Concellon, Jose M.
The reaction of dicarboxylic acid diesters 1, with in situ generated dihalomethyllithium (1:1.4 molar ratio) at -78 deg C leads, after hydrolysis, to the corresponding dihalomethylketoesters 3.The same process using an excess of the carbenoid (1:4 molar r
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