4693-35-0Relevant academic research and scientific papers
Synthesis of Z-alkenes from Rh(I)-catalyzed olefin isomerization of β,γ-unsaturated ketones
Zhuo, Lian-Gang,Yao, Zhong-Ke,Yu, Zhi-Xiang
, p. 4634 - 4637 (2013/10/08)
Developing olefin isomerization reactions to reach kinetically controlled Z-alkenes is challenging because formation of trans-alkenes is thermodynamically favored under the traditional catalytic conditions using acids, bases, or transition metals as the catalysts. A new synthesis of Z-alkenes from Rh(I)-catalyzed olefin isomerization of β,γ-unsaturated ketones to α,β-unsaturated ketones was developed, providing an easy and efficient way to access various Z-enones.
InBr3-Catalyzed Alkynylation and Allylation of Acid Chlorides: A Facile Synthesis of Alkynyl and Allyl Ketones
Yadav,Reddy,Reddy, M. Sridhar,Parimala
, p. 2390 - 2394 (2007/10/03)
Alkynylsilanes and allyltrimethylsilane undergo smooth coupling with acid chlorides in the presence of 5 mol% of indium tribromide under mild conditions to afford the corresponding α,β-acetylenic ketones and β,γ-unsaturated ketones in excellent yields in a short reaction time with high selectivity.
α, β-Unsaturated N-Acylureas as Useful Intermediates for the Synthesis of Indanones, Chromanones and Coumarins
Ramana, M. M. V.,Kudav, N. A.
, p. 339 - 341 (2007/10/02)
α,β-Unsaturated N-acylureas, viz-N-formamido-2-butenamide (I), N-formamido-3-methyl-2-butenamide (II) and N-formamido-3-phenyl-2-propenamide (III) react with aryl alkyl ethers in the presence of PPA to afford the corresponding crotonophenones and chalcones (IV) at lower temperature and 1-indanones (V) at a higher temperature.Reactions of I and II with phenols in the presence of PPA afford the 4-chromanones (VI), while III gives 3,4-dihydro-4-phenylcoumarins (VII) in excellent yields.
