2003
DOI: 10.1070/mc2003v013n03abeh001751
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Nitrogen chirality via the sterical veto of N inversion

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Cited by 10 publications
(13 citation statements)
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“…The next step was the calculation of energies and NMR chemical shifts of six known compounds ( 2 – 7 ) (Scheme 5). Compounds 2 and 3 are described in reference [9], without data for inversion barriers, and compounds 4 to 7 in references [11,41].…”
Section: Resultsmentioning
confidence: 99%
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“…The next step was the calculation of energies and NMR chemical shifts of six known compounds ( 2 – 7 ) (Scheme 5). Compounds 2 and 3 are described in reference [9], without data for inversion barriers, and compounds 4 to 7 in references [11,41].…”
Section: Resultsmentioning
confidence: 99%
“…Despite that all of the minima were calculated, only the most stable, trans and trans‐trans , are provided in Table 5. Spectra for compounds 2 , 9 , 10 , and 11 were recorded at 60 MHz [9,38] while those of the remaining compounds were recorded at 300 or 400 MHz [11,41].…”
Section: Resultsmentioning
confidence: 99%
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“…Finally, the resolution of compounds 425 and 426, whose chirality resides exclusively in the nitrogen atoms, has been reported by Kostyanovsky [411]. For previous studies on chiral nitrogen atoms in pyrazole reduced derivatives due to hindered inversion see Reference [412].…”
mentioning
confidence: 97%