mple. B-bromopyridine undergoes efficient exchange with n-bbasic tetrahydrofuran as solvent, and at this temperature, the alkly addition to the ring occurs, although the exchange can be cas typiperatures.9whatmecaniss mmBrn-BuliPHCNEt,0, -78 °C then aq HCIPh61%N.n also be prepared from bromo-pyridines at 0 °C via exchangTMSCH,Li) and lithium dimethylaminoethoxide (LIDMAE)react selectively a C-2) and from chlaMetal-halogen exchange with 2,5-dibromed 2,3-dibromopyridineuiuo metallation, 102Ilurtrates its trapping w

In the first step the 3-bromopyridine undergoes Li exchange with n-BuLi. In the next step the anion…

Answered: what ?s mecaniss Br n-Buli PHCN Ph.…

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what ?s mecaniss Br n-Buli PHCN Ph. Et20, -78 °C then aq. HCI 61%

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

100%

mple. B-bromopyridine undergoes efficient exchange with n-b
basic tetrahydrofuran as solvent, and at this temperature, the alk
ly addition to the ring occurs, although the exchange can be c
as typi
peratures.9
what
mecaniss mm
Br
n-Buli
PHCN
Et,0, -78 °C then aq HCI
Ph
61%
N.
n also be prepared from bromo-pyridines at 0 °C via exchang
TMSCH,Li) and lithium dimethylaminoethoxide (LIDMAE)
react selectively a C-2) and from chla
Metal-halogen exchange with 2,5-dibrome
d 2,3-dibromopyridine
uiuo metallation, 102
Ilurtrates its trapping w

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