254-60-4, Name is 1,8-Diazanaphthalene, belongs to naphthyridine compound, is a common compound. Recommanded Product: 254-60-4In an article, once mentioned the new application about 254-60-4.
The tetracationic complex [Rh2(MeCN)2(Naft)4](BF4)4 (Naft = mu-1,8-naphthyridine) was found to be an efficient catalyst for the silylformylation of internal and functionalised alkynes to yield useful synthetic intermediates. The complex exhibits an unprecedented chemoselectivity towards alkyne silylformylation instead of simple hydrosilylation, as well as a good stereoselectivity. The catalytic efficiency of the complex is markedly superior compared to that of previously reported catalysts such as [Rh+ C7 H8 BPh4-] or Rh4(CO)12; incidentally, the performance of the latter catalyst was found to vary dramatically with its shelf-life, which indicates that the catalyst evolves with ageing towards other species, most notably higher nuclearity rhodium carbonyl clusters, which are more chemoselective towards silylformylation. Preliminary results on the determination of the catalytically active species in the case of complex [Rh2(MeCN)2(Naft)4](BF4)4 indicate that the complex is reduced in situ to a dirhodium(I) species which maintains the dimeric, lantern-shaped structure.
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Reference£º
1,68-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N62 – PubChem