DOI:
10.1055/s-00000084
Synthesis
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References
The energy required for the N-inversion is expected to be in the range 9–12 kcal/mol much higher than that required for the ring puckering falling in the range 2–3 kcal/mol, see: Katritzky AR, Ramsden CA, Joule J, Zhdankin VV. In
Handbook of Heterocyclic Chemistry.
3rd ed. Elsevier;
Oxford: 2010: 210-237
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