Temperature-controlled acyloxylations and hydroxylations of bromoarene by a silver salt
Temperature-controlled selective acyloxylations and hydroxylations of bromoarene were achieved using a silver salt. Various aryl esters were synthesized at 100°C, and the hydroxylated arene was obtained at 150°C from silver-mediated conditions. Mechanistically, a two-step acyloxylation-hydrolysis pathway was revealed for hydroxylation of bromoarene.
Yoo, Kwangho,Park, Hyojin,Kim, Suyeon,Kim, Min
supporting information
p. 781 - 783
(2016/02/03)
Studies into the generation and Diels-Alder reactions of 7,8-quinolyne with furan dienes
Reaction of an appropriate ortho-halo tosylate precursor with organolithium reagents provides the first conclusive route to the intermediate, 7,8-quinolyne. The transient existence of this hetaryne was confirmed by Diels-Alder reactions with furan derivatives that provide endoxide adducts. Chemical induced rearrangement of these adducts allows entry to key compounds of 10-hydroxy[h]benzoquinoline and its 7-substituted derivatives in modest yields.
Collis, Gavin E.,Burrell, Anthony K.
p. 3653 - 3656
(2007/10/03)
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