Opening of Cyclic Acetals by Trichloro-, Dichloro- and Tribromo-borane
The rate-determining step in the ring opening of cyclic acetals by trichloroborane to yield α-chloro-ethers is shown to be consistent with the formation of an oxocarbenium ion.Subsequent reduction provides a general route for the conversion of a diol into a hydroxy-ether.Tribromoborane is a more powerful and dichloroborane a less powerful reagent than trichloroborane.
Bonner, Trevor G.,Lewis, David,Rutter, Keith
p. 1807 - 1810
(2007/10/02)
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