(S)‐(−)‐(2‐MeBu)N(Pr)2MeI Salt as Template in the Enantioselective Synthesis of the Enantiopure Two‐dimensional (S)‐(−)‐(2‐MeBu)N(Pr)2Me[ΛMnΔCr(C2O4)3] Ferromagnet. Issue 8 (25th June 2013)

• Record Type: Journal Article
• Authors: Gruselle, Michel; Li, Yanling; Ovanesyan, Nikolay; Makhaev, Viktor; Shilov, Gennadi; Mushenok, Fedor; Train, Cyrille; Aldoshin, Serguey
• Is Part Of: Chirality. Volume 25:Issue 8(2013:Aug.)
• Page Start: 444
• Page End: 448
• Publication Date: 2013-06-25
• Subjects: Chirality -- Periodicals; Pharmaceutical chemistry -- Periodicals; 541.22
• DOI: 10.1002/chir.22179
• Languages: English
• ISSNs: 0899-0042

Abstract

<abstract abstract-type="main"> <title>ABSTRACT</title> <p>We describe herein the synthesis of (<italic>rac</italic>)‐ or enantiopure (<italic>S</italic>)‐(−)‐(2‐MeBu)N(Pr)₂MeI ammonium salts. These racemic and enantiopure ammonium salts were used as cationic templates to obtain new two‐dimensional (2D) ferromagnets [(<italic>rac</italic>)‐(2‐MeBu)N(Pr)₂Me][MnCr(C₂O₄)₃] and [(<italic>S</italic>)‐(−)‐(2‐MeBu)N(Pr)₂Me][<italic>Δ</italic>Mn<italic>Λ</italic> nCr(C₂O₄)₃]. The absolute configuration of the hexacoordinated Cr(III) metallic ion in the enantiopure 2D network was determined by a circular dichroism measurement. The structure of [(2‐MeBu)N(Pr)₂Me][MnCr(C₂O₄)₃], established by single crystal X‐ray diffraction, belongs to the chiral <italic>P</italic>6₃ space group. According to direct current (dc) magnetic measurements, these compounds are ferrromagnets with a temperature Tc = 6°K. <italic>Chirality 25:444–448, 2013</italic>. © 2013 Wiley Periodicals, Inc.</p> </abstract>