Studies in the directed cyclopropanation of α-allenic alcohols
A highly regioselective cyclopropanation of α-allenic alcohols using samarium/dihalomethane provides a variety of methylene- and alkylidenecyclopropane carbinols in good yield. The nearby hydroxyl moiety and the samarium reagent are essential for this uni
Lautens, Mark,Delanghe, Patrick H. M.
p. 8526 - 8535
(2007/10/02)
Regioselective Cyclopropanation of α-Allenic Alcohols. An Efficient Route to Alkylidenecyclopropanes
Highly substituted alkylidenecyclopropanes are now easily accessible via a regioselective cyclopropanation of α-allenic alcohols using samarium/CH2I2.Dienols provide vinylcyclopropylcarbinols upon methylenation.
Lautens, Mark,Delanghe, Patrick H. M.
p. 5037 - 5039
(2007/10/02)
REACTION OF METHYLENECYCLOPROPYLLITHIUM WITH ELECTROPHILES
Metalation of methylenecyclopropane witn n-butyllithium in tetrahydrofuran affords methylenecyclopropyllithium, which reacts with carbonyl electrophiles to produce alcohols in high yields.
Thomas, Edward W.
p. 1467 - 1470
(2007/10/02)
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