Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Chemical Science called Azine-N-oxides as effective controlling groups for Rh-catalyzed intermolecular alkyne hydroacylation, Author is Moseley, Daniel F.; Kalepu, Jagadeesh; Willis, Michael C., which mentions a compound: 36620-11-8, SMILESS is [F-][B+3]([F-])([F-])[F-].C12=C3[Rh+]14567(C8=C5C9C6=C7C8C9)C%10=C4C2CC3%10, Molecular C14H8BF4Rh, Name: Bis(norbornadiene)rhodium (I) tetrafluoroborate.
Azine N-oxide substituted aldehydes are used as highly effective substrates with good reactivity for intermol. hydroacylation of alkynes. Employing a Rh(I)-catalyst, a mild and scalable aldehyde C-H activation, that permits the coupling with unactivated terminal alkynes was achieved in good yields and with high regioselectivities (up to >20 : 1 l:b). Both substrates can tolerate a broad variety of functional groups. The reaction can also be applied to diazine aldehydes that contain a free N-lone pair. Conversion of the hydroacylation products to the corresponding azine, through a one-pot hydroacylation/deoxygenation sequence was also demonstrated. A one-pot hydroacylation/cyclization, using N-Boc propargylamine, addnl. leads to the synthesis of a bidentate pyrrolyl ligand.
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Reference:
Quinuclidine – Wikipedia,
Quinuclidine | C7H13N | ChemSpider