Palladium(ii)-catalyzed direct O-alkenylation of 2-arylquinazolinones with N-tosylhydrazones: an efficient route to O-alkenylquinazolines
An efficient Pd(ii)-catalyzed direct O-alkenylation of 2-arylquinazolinones with simple ketone-derived N-tosylhydrazones is reported. In this reaction, O-alkenylquinazolines were obtained in good yields, with excellent functional group tolerance. Pd-carbe
Pyridine-directed organolithium addition to an enol ether
A previously reported anionic rearrangement of benzyl 2-pyridyl ethers can now be accessed by a distinct and unusual mechanism: addition of alkyllithium reagents to α-(2-pyridyloxy)-styrene triggers an anionic rearrangement to afford tertiary pyridyl carbinols. The process is explained by invoking a contra-electronic, pyridine-directed carbolithiation of the enol ether π-system. Copyright
Yang, Jingyue,Dudley, Gregory B.
supporting information; experimental part
p. 3438 - 3442
(2011/02/24)
HYDROXY-, AMINO, AND MERCAPTOPYRIDINES AND QUINOLINES IN THE REACTION WITH PHENYLACETYLENE
The 2-hydroxy-, amino-, and mercaptopyridines and quinolines react with phenylacetylene ander different catalytic conditions with the formation of the corresponding O-, N-, and S-styryl derivatives.In the case of the trans isomer of 1-styryl-2-pyridone, t
Andriyankov, M. A.,Nikitin, M. V.,Afonin, A. V.
p. 1932 - 1936
(2007/10/02)
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