33598-22-0Relevant articles and documents
Palladium-Catalyzed Synthesis of Alkynes via a Tandem Decarboxylation/Elimination of (E)-Enol Triflates
Munteanu, Charissa,Frantz, Doug E.
supporting information, p. 3937 - 3939 (2016/08/30)
A mild catalytic synthesis of alkynes via a tandem Pd-catalyzed decarboxylation/elimination of enol triflates is described. Key attributes of the method include readily available starting materials, broad functional group tolerance, and the ability to access terminal, internal, and halogenated alkynes. The preliminary scope of the reaction is demonstrated on 25 different examples with yields ranging from 63% to 96%.
[(RCN)2PdCl2]-catalyzed E/Z isomerization of alkenes: A non-hydride binuclear addition-elimination pathway
Tan, Emily H. P.,Lloyd-Jones, Guy C.,Harvey, Jeremy N.,Lennox, Alastair J. J.,Mills, Benjamin M.
supporting information; experimental part, p. 9602 - 9606 (2011/12/05)
A crepuscular catalyst: Alkene migration catalyzed by [(RCN) 2PdCl2] complexes proceeds through an in situ generated Pd-H species. Addition of a 1,5-diene inhibits migration and allows the slower background catalysis of E/Z interconversion to be studied. Experimental and computational results suggest this interconversion proceeds through a conformational equilibrium in dipalladacycles (see picture). Copyright
Polylithiumorganic compounds -21. On the Deproptonation of 1- and 3-Phenylpropyne as well as Phenylallene with Butyllithium. A Reinvestigation: Three Different Monoanions but one and the same Dianion
Maercker, Adalbert,Fischenich, Jakob
, p. 10209 - 10218 (2007/10/02)
In contrast to the literature, with butyllithium only one and the same dianion - namely 7 - is formed starting with each of the three hydrocarbons 1, 4, and 6.On the other hand, upon working at low temperature in tetrahydrofuran as the solvent we were able to detect the three corresponding monoanions 9, 15, and 16, most interestingly 15 and 16 at temperatures higher then -40 deg C show rearrangement with 1,3-hydrogen shift.
