41286-24-2Relevant academic research and scientific papers
Thermal and metal-catalyzed cyclization of 1-substituted 3,5-dien-1-ynes via a [1,7]-hydrogen shift: Development of a tandem aldol condensation- dehydration and aromatization catalysis between 3-en-1-yn-5-al units and cyclic ketones
Lian, Jian-Jou,Lin, Chung-Chang,Chang, Hsu-Kai,Chen, Po-Chiang,Liu, Rai-Shung
, p. 9661 - 9667 (2007/10/03)
This work investigates the feasibility of thermal and catalytic cyclization of 6,6-disubstituted 3,5-dien-1-ynes via a 1,7-hydrogen shift. Our strategy began with an understanding of a structural correlation of 3,5-dien-1-ynes with their thermal cyclizati
Allylation with substituted vinylthionium ions from SnCl4 ionisation of 1,3- and 3,3-bis(alkyl/phenylthio)propenes
Hunter,Michael,Walter
, p. 9377 - 9398 (2007/10/02)
α- and γ-substituted vinylthionium ions from SnCl4 ionisation of a range of substituted 1,3- and 3,3-bis(alkyl/phenylthio)propenes allylate enol silyl ethers in good yield. Levels of regioselectivity are sterically dependent and in the case of
REACTIONS OF SELENIUM STABILIZED ALLYLIC CARBOCATIONS WITH 1-(TRIMETHYLSILYLOXY)CYCLOHEXENE
Hevesi, L.,Lavoix, A.
, p. 4433 - 4434 (2007/10/02)
In favorable cases the title reacions occur efficiently and with high regioselectivity; they allow interesting functionalization of a simple carbonyl compound through allylic selenoxide syn-elimination and/or sigmatropic rearrangement.
Production of α,β-unsaturated ketones
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, (2008/06/13)
A process for the production of α,β-unsaturated ketones by reaction of an aldehyde with a ketone in the presence of a catalyst consisting essentially of zinc oxide in the liquid phase. The ketones obtained are suitable in some cases as solvents and in some cases as intermediates for the production of valuable odorants, dyes, plastics and especially natural substances.
