Synthesis and NMR analysis of 13 C and 15 N-labeled long-chain polyamines (LCPAs)
15 N, 13 C, or both isotope labels were introduced in selected positions of several LCPAs containing 5, 11, or 13 nitrogens. The number of transformations during chemical synthesis was minimized by coupling Fmoc-glycine- 15 N, Fmoc-glycine-1- 13 C, or Fmoc-β-alanine simultaneously at both ends of th...
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| Veröffentlicht in: | RSC advances 2016, Vol.6 (96), p.93343-93348 |
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| creator | Abacilar, Maryna Daus, Fabian Haas, Christian Brückner, Stephan Ingmar Brunner, Eike Geyer, Armin |
| description | 15
N,
13
C, or both isotope labels were introduced in selected positions of several LCPAs containing 5, 11, or 13 nitrogens. The number of transformations during chemical synthesis was minimized by coupling Fmoc-glycine-
15
N, Fmoc-glycine-1-
13
C, or Fmoc-β-alanine simultaneously at both ends of the growing oligoamide chain on resin-linked norspermidine. LCPAs containing 10–20 nitrogens are the main organic constituent of diatom biosilica. Preliminary NMR studies of bioinspired silica nanocomposites obtained from double-labeled LCPA
14
and
29
Si-enriched orthosilicic acid identified the close spatial arrangement of
29
Si and
13
C nuclei. |
| doi_str_mv | 10.1039/C6RA19624A |
| format | Article |
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N,
13
C, or both isotope labels were introduced in selected positions of several LCPAs containing 5, 11, or 13 nitrogens. The number of transformations during chemical synthesis was minimized by coupling Fmoc-glycine-
15
N, Fmoc-glycine-1-
13
C, or Fmoc-β-alanine simultaneously at both ends of the growing oligoamide chain on resin-linked norspermidine. LCPAs containing 10–20 nitrogens are the main organic constituent of diatom biosilica. Preliminary NMR studies of bioinspired silica nanocomposites obtained from double-labeled LCPA
14
and
29
Si-enriched orthosilicic acid identified the close spatial arrangement of
29
Si and
13
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N,
13
C, or both isotope labels were introduced in selected positions of several LCPAs containing 5, 11, or 13 nitrogens. The number of transformations during chemical synthesis was minimized by coupling Fmoc-glycine-
15
N, Fmoc-glycine-1-
13
C, or Fmoc-β-alanine simultaneously at both ends of the growing oligoamide chain on resin-linked norspermidine. LCPAs containing 10–20 nitrogens are the main organic constituent of diatom biosilica. Preliminary NMR studies of bioinspired silica nanocomposites obtained from double-labeled LCPA
14
and
29
Si-enriched orthosilicic acid identified the close spatial arrangement of
29
Si and
13
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N,
13
C, or both isotope labels were introduced in selected positions of several LCPAs containing 5, 11, or 13 nitrogens. The number of transformations during chemical synthesis was minimized by coupling Fmoc-glycine-
15
N, Fmoc-glycine-1-
13
C, or Fmoc-β-alanine simultaneously at both ends of the growing oligoamide chain on resin-linked norspermidine. LCPAs containing 10–20 nitrogens are the main organic constituent of diatom biosilica. Preliminary NMR studies of bioinspired silica nanocomposites obtained from double-labeled LCPA
14
and
29
Si-enriched orthosilicic acid identified the close spatial arrangement of
29
Si and
13
C nuclei.</abstract><doi>10.1039/C6RA19624A</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2046-2069 |
| ispartof | RSC advances, 2016, Vol.6 (96), p.93343-93348 |
| issn | 2046-2069 2046-2069 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_C6RA19624A |
| source | Royal Society Of Chemistry Journals 2008- |
| title | Synthesis and NMR analysis of 13 C and 15 N-labeled long-chain polyamines (LCPAs) |
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