Sep-21 News Discovery of [1,1′-Binaphthalene]-2,2′-diamine

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Related Products of 4488-22-6, An article , which mentions 4488-22-6, molecular formula is C20H16N2. The compound – [1,1′-Binaphthalene]-2,2′-diamine played an important role in people’s production and life.

Palladium-catalysed aminocarbonylation of a terpenoic iodoalkene (2-iodo-bornene) model compound with both enantiomerically pure and racemic 2,2?-diamino-1,1?-binaphthalene (BINAM) as the N-nucleophile was carried out. All of the diastereoisomers of the monocarboxamide (N-bornenyl carboxamide) and dicarboxamide (N,N?-dinorbornenylcarboxamide) derivatives were synthesised. The diastereoselectivities of the aminocarbonylation were investigated in both cases: either racemic BINAM was used as the N-nucleophile in the aminocarbonylation of enantiomerically pure 2-iodobornene or racemic iodobornene was aminocarbonylated with enantiomerically pure BINAM with moderate diastereoselectivities. In this way, all possible diastereoisomers of binaphthalene-bornene conjugates were synthesised in moderate to high yields by asymmetric (diastereoselective) aminocarbonylation.

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Reference:
Chiral Catalysts,
Chiral catalysts – SlideShare