138857-35-9Relevant academic research and scientific papers
Synthesis of Unsymmetrical 1,4-Dicarbonyl Compounds by Photocatalytic Oxidative Radical Additions
Dong, Ya,Li, Ruining,Zhou, Junliang,Sun, Zhankui
supporting information, p. 6387 - 6390 (2021/08/23)
Herein we report a photocatalytic oxidative radical addition reaction for the synthesis of unsymmetrical 1,4-dicarbonyl compounds. This reaction utilizes a desulfurization process to generate electrophilic radicals, which add to α-halogenated alkenes and undergo further oxidation to deliver 1,4-dicarbonyl compounds. This mild and highly efficient method provides a valuable alternative to known strategies.
One-step synthesis of aromatic terminal alkynes from their corresponding ketones under microwave irradiation
Ghaffarzadeh, Mohammad,Bolourtchian, Mohammad,Fard, Zohreh,Halvagar, Mohammad,Mohsenzadeh, Farshid
, p. 1973 - 1981 (2007/10/03)
One-step microwave-assisted synthesis of phenylacetylenes 2a-j from the corresponding ketones 1a-j in the presence of a new reagent, PCl 5 -pyridine, is described. The reaction is carried out under a simple operational and experimental procedure, avoiding the use of the complicated and harsh multistep reaction. Copyright Taylor & Francis Group, LLC.
Alkyliron and Alkylcobalt Reagents, IV.- High Superiority of Me4CoLi2 and Me4FeLi2 in Comparison to Me2CuLi and Me4MnLi2 in Cross Coupling Reactions with Vinyl Bromides
Kauffmann, Thomas,Stach, Dirk
, p. 913 - 922 (2007/10/02)
The complexes Me4MLi2 (M = Co, Fe, Mn) and Me2CuLi (prepared in situ, but well-known in isolated form) were treated with a series of vinyl bromides.In nearly all cases Me4CoLi2 and Me4FeLi2 proved to by far the best methylating reagents (high yields, reaction at -78 deg C, short reaction time, no excess of the reagent necessary.These reagents will tolerate a hydroxy or cyano group in the substrate, whereas the classical reagent for methylation of vinyl bromides, Me2CuLi, is strongly inhibited by these groups.With the methylation of hydroxyvinyl bromides a new method was found for the synthesis of allyl alcohols. Key Words: Organocobalt complexes / Organoiron complexes
