2003
DOI: 10.1021/ol035665v
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Infinite Three-Dimensional Polymeric Metalloporphyrin Network via Six-Coordinate Zn(II) and Two Axial Oxygen Donors

Abstract: [structure: see text]. An X-ray crystallographic study of zinc(II) 5,15-di-(2-methoxymethylphenyl)-porphyrin indicates that it forms a coordination polymer through ligation of the ether oxygen atoms on the porphyrin peripheries to the metal centers of two identical adjacent porphyrins. This gives a novel extensively linked, three-dimensional polymeric structure in which the zinc(II) metal forms a six-coordination center. The uniquely structured network has cavities between 4.81 and 9.27 angstroms, which makes … Show more

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Cited by 20 publications
(21 citation statements)
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“…[72] Compounds 1Zn-4Zn presented herein all contain eight Lewis basic sites and, in principle, one Lewis acidic site (the zinc atom). [72] Compounds 1Zn-4Zn presented herein all contain eight Lewis basic sites and, in principle, one Lewis acidic site (the zinc atom).…”
Section: Discussion Hexacoordinate Zinc(ii) Centersmentioning
confidence: 95%
See 1 more Smart Citation
“…[72] Compounds 1Zn-4Zn presented herein all contain eight Lewis basic sites and, in principle, one Lewis acidic site (the zinc atom). [72] Compounds 1Zn-4Zn presented herein all contain eight Lewis basic sites and, in principle, one Lewis acidic site (the zinc atom).…”
Section: Discussion Hexacoordinate Zinc(ii) Centersmentioning
confidence: 95%
“…The ZnÀO distances in bisA C H T U N G T R E N N U N G (THF) complexes of ZnTPP derivatives are between 2.371 [63] and 2.56 , [68] and in a zinc(II) porphyrin polymer the Zn À O benzylmethylether distances were found to be 2.434 . [72] In the case of [3Zn] 1 , the phenyl groups connected to the coordinating EBrE donor groups (E = OMe) are bent out of the porphyrin plane by 13.7(8)8 away from the adjacent zinc(II) porphyrin unit; this arrangement pulls two adjacent porphyrin rings closer together. The noncoordinating EBrE groups again adopt a normal geometry.…”
Section: Crystallographymentioning
confidence: 99%
“…38,43 Thus the (3-hydroxypropylamino)acetyl group HOCH 2 CH 2 CH 2 NHCH 2 CO-was tested as a new carrier moiety to produce ''hydroxyconjugate'' 2b (Scheme 4). First, we applied method C, where 3-aminopropane is used instead of diaminopropane (see method A).…”
Section: Resultsmentioning
confidence: 99%
“…Molecular modeling calculations were performed as described earlier 33,34,36,37 with the following modification: (i) sampling of all the structures was adopted within 15 kJ/ mol instead of 10 kJ/mol of the lowest-energy conformer over 1,000 fully optimized steps, (ii) the distance checks for primary alcohol O -Zn were set to 2.4 F 0.5 Å , 38 and (iii) the dihedral angles around the stereogenic center [Ha -Ca -O -C(=O) dihedral] of the guest, a-hydroxyketone derivatives, were locked in order to find the lowestenergy conformations within a limited calculation time. 39,40 After all the calculations (3,000 times), the most stable conformers within a 15-kJ/mol energy window were analyzed using the Boltzmann distribution based on energy difference.…”
Section: Computational Sectionmentioning
confidence: 99%
“…Another 3D arrangement has been reported for zinc(II) 5,15-di-(2-methoxymethylphenyl)porphyrin. 73 The self-complementary tecton crystallizes in the tetragonal space group (I4 1 /a) ( Figure 14). …”
Section: D Networkmentioning
confidence: 99%