In an article, author is d’Agostino, Simone, once mentioned the application of 3564-73-6, HPLC of Formula: 238.28, Name is 10,11-Dihydro-5H-dibenzo[b,f]azepine-5-carboxamide, molecular formula is C15H14N2O, molecular weight is 238.28, MDL number is MFCD00005072, category is quinuclidines. Now introduce a scientific discovery about this category.
Intriguing Case of Pseudo-Isomorphism between Chiral and Racemic Crystals of rac- and (S)/(R)2-(1,8-Naphthalimido)-2-quinuclidin-3-yl, and Their Reactivity Toward I-2 and 1Br
Condensation reactions between 1,8-naphthalic anhydride and racemic 3-aminoquinuclidine or chiral (S) or (R)-(-)-3-aminoquinuclidine allowed preparation of three novel racemic and enantiopure aza-donor ligands, namely NMiABCO (1), (S)NMiABCO (2a), and (R)NMiABCO (2b). Racemic NMiABCO (1) crystallizes in the monoclinic space group P2(1)/c, Z’ = 1, while enantiopure (S)NMiABCO (2a) and (R)NMiABCO (2b) crystallize in the chiral monoclinic space group P2(1), Z’ = 2, and show significant pseudocentrosymmetry, being pseudo-isomorphous with racemic NMiABCO (1). Reactivity of both racemic and enantiopure NMiABCO toward iodine and interhalogen IBr was also investigated as a way to remove the pseudoisomorphism, yielding the three new molecular adducts [NMiABCO center dot I-2] (3), [(S)NMiABCO center dot I-2]center dot xCHCl(3) (4), [(S)NMiABCO center dot IBr]center dot xCHCl(3) (5) and the molecular salt [HNMIABCO][1Br(2)] (6). Synthesis of complexes 3 and 4 was also carried out in the solid state via kneading and vapor digestion techniques. All compounds were fully characterized via single crystal and powder X-ray diffraction and Raman spectroscopy.
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Reference:
Quinuclidine – Wikipedia,
,Quinuclidine | C7H13N | ChemSpider