Hale, Dylan J. published the artcile(PSiP)Ni-Catalyzed (E)-Selective Semihydrogenation of Alkynes with Molecular Hydrogen, Application In Synthesis of 1448637-05-5, the publication is ACS Catalysis (2022), 12(1), 146-155, database is CAplus.
It was reported that the bis(phosphino)silyl Ni hydride complex (iPr-PSiPInd)NiH, I is an effective pre-catalyst for the (E)-selective semihydrogenation of a broad range of diaryl alkynes and SiMe3-protected terminal alkynes. Complex I exhibited this reactivity under mild conditions (1 atm H2, 25-50°C, and 1-2.5 mol % Ni) to afford the corresponding (E)-alkenes with high selectivity. Stoichiometric experiments revealed that facile alkyne insertion and subsequent alkene isomerization led to the observed selectivity.
ACS Catalysis published new progress about 1448637-05-5. 1448637-05-5 belongs to esters-buliding-blocks, auxiliary class Alkynyl,Boronic acid and ester,Benzene,Ester,Boronate Esters,Boronic Acids,Boronic acid and ester,, name is Methyl 4-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)benzoate, and the molecular formula is C22H23BO4, Application In Synthesis of 1448637-05-5.
Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics