CO2 fixation by macrocyclic nickel(II) complexes: synthesis and structures of helical chains constructed via hydrogen bonds involving imidazole

Ou, Guang‐Chuan; Liu, Fang; Ding, Ming‐Wu; Yuan, Xian‐You

doi:10.1007/s11243-014-9903-0

Cited by 3 publications

(1 citation statement)

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“…The monomers of [Ni( RR ‐L)(β‐ d ‐HPhe)] 2+ and [Ni( SS ‐L)(β‐ l ‐HPhe)] 2+ are connected through intermolecular hydrogen bonds to generate one‐dimensional zigzag chains. As a continuance of our research on the chiral resolution and the construction of hydrogen bonds helical chains, we employed dl ‐proline as the substrate to react with the chiral macrocyclic Ni II complex [Ni( SS ‐L)] 2+ and [Ni( RR ‐L)] 2+ , and found the monomers of [Ni( SS ‐L)( l ‐Pro)] 2+ and [Ni( RR ‐L)( d ‐Pro)] 2+ (Pro = proline) monomers to form one‐dimensional zigzag chains.…”

Section: Introductionmentioning

confidence: 99%

Chiral Recognition of Racemic Proline based on Chiral Macrocyclic Nickel(II) Complex: Synthesis and Crystal Structures

Jia

Zeng

et al. 2018

Zeitschrift anorg allge chemie

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The reactions of dl-proline with chiral macrocyclic Ni II complex [Ni(SS-L)](ClO 4 ) 2 in acetonitrile/water gave a six-coordinate enantiomer formulated as [Ni(SS-L)(l-Pro)](ClO 4 ) 2 ·H 2 O (1). Another enantiomer of [Ni(RR-L)(d-Pro)](ClO 4 ) 2 ·H 2 O (2) was obtained when [Ni(RR-L)](ClO 4 ) 2 was used (L = 5,5,7,12,12,4,8,11tetraazacyclotetradecane, Pro = proline). Single-crystal X-ray diffraction analyses of complexes 1 and 2 revealed that the Ni II atom has a distorted octahedral coordination arrangement, being coordinated by Scheme 1. The sketch of [Ni(SS-L)] 2+ (left) and [Ni(RR-L)] 2+ (right).

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Section: Introductionmentioning

confidence: 99%