1997
DOI: 10.1002/ange.19971091609
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Isomere der Elementarzusammensetzung CN2O

Abstract: Katalysatoren. Auch wenn strukturell ahnliche Substrate unterschiedliche Reaktivitaten und Selektivitaten aufweisen, kann durch die vorgestellte Screening-Methode jedem Substrat rasch ein geeigneter Ligand zugeordnet werden, ohne dalj notwendigerweise a priori etwas uber den Mechanismus bekannt sein muBte.Unsere Methode weist gegenuber traditionelleren Verfahren zur Entdeckung chiraler Liganden eine Reihe von Vorteilen auf: 1) Die Suche kann auf einem festen Trager durchgefuhrt werden, wodurch der Suchprozelj … Show more

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Cited by 19 publications
(11 citation statements)
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“…However, in addition, a strong band from the NO stretching mode of the open-chain isomer, NO-CN (III), appeared at 1837.0 cm -1 . As reported previously, [5] the mutual interconversion between the three chain isomers, I, II, and III, can be achieved by selective irradiations ( Figure S6 in the Supporting Information). Two additional weak bands at 1681.1 and 1498.5 cm -1 in the product spectrum (pointing upwards) are assigned, according to previous Ar-matrix-isolation studies, [5] to the NO stretching modes of the valence isomers ON-NC (II) and ON-CN (I), respectively.…”
Section: Photochemistry Of Cyclic N 2 Co (V)supporting
confidence: 62%
See 1 more Smart Citation
“…However, in addition, a strong band from the NO stretching mode of the open-chain isomer, NO-CN (III), appeared at 1837.0 cm -1 . As reported previously, [5] the mutual interconversion between the three chain isomers, I, II, and III, can be achieved by selective irradiations ( Figure S6 in the Supporting Information). Two additional weak bands at 1681.1 and 1498.5 cm -1 in the product spectrum (pointing upwards) are assigned, according to previous Ar-matrix-isolation studies, [5] to the NO stretching modes of the valence isomers ON-NC (II) and ON-CN (I), respectively.…”
Section: Photochemistry Of Cyclic N 2 Co (V)supporting
confidence: 62%
“…[1][2][3] Experimental approaches to these metastable species are strongly hampered by the lack of suitable synthetic strategies, e.g., neither N 4 nor C 2 O 2 has been isolated, although N 4 has been detected by means of neutralization/reionization mass spectrometry (NRMS), where a short lifetime of about 1 μs at 298 K in the gas phase was estimated for the most likely open-chain geometry. [5] For carbonyl isodiazene (OCNN, VI), theoretical calculations predict a triplet ground state, the singlet species is not a minimum on the potential energy surface. [4] Another two open-chain isomers, nitrosyl isocyanide (ONNC, II) and isonitrosyl cyanide (NOCN, III), have been obtained in solid noble gas matrices by photoisomerization of ONCN.…”
Section: Introductionmentioning
confidence: 99%
“…[3,4] Das Dreiring-Isomer 1 wurde als stabilstes Isomer auf der Singulett-Potentialfläche berechnet; es ist thermodynamisch stabiler als NCNO (2), CNNO (3) und NCON (4), die alle in Ar-Matrices bei 15 K beobachtet wurden. [5] Die Bildung von Triplett-NNCO (5) in Mischungen von N 2 + + CO oder N 2 + CO + wurde in einer Studie mit Neutralisations-Reionisations-Massenspektrometrie angenommen. [6] Über die Synthese von 1 durch Reaktionen von p-Nitrophenoxychlordiazirin mit Halogenidsalzen wurde kürzlich in der Literatur berichtet.…”
unclassified
“…Further loss of N 2 by near-UV irradiation yielded CO and N 2 . No other intermediates, for example, the long-sought diazirinone, N 2 CO, [12] or its isomers, [13] were observed under our experimental conditions. The novel carbonyl nitrene was proved to adopt a triplet ground state by its characteristic IR and UV spectra.…”
mentioning
confidence: 65%