Synthetic Route of C52H60O4P2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: (R)-2,2′-Bis[bis(4-methoxy-3,5-dimethylphenyl)phosphino]-4,4′,6,6′-tetramethoxy)-1,1′-biphenyl, is researched, Molecular C52H60O4P2, CAS is 1365531-93-6, about Ir-Catalyzed Regio- and Enantioselective Hydroalkynylation of Trisubstituted Alkene to Access All-Carbon Quaternary Stereocenters.
An unprecedented substrate-directed, iridium-catalyzed enantioselective hydroalkynylations of trisubstituted alkenes to form acyclic all-carbon quaternary stereocenter β to a nitrogen atom was reported. The hydroalkynylation of enamide occurred with unconventional selectivity, favoring the more hindered reaction site. Homopropargyl amides with β-stereocenters were prepared in high regio- and enantioselectivities. Combined exptl. and computational studies revealed the origin of the regio- and enantioselectivities.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica