Journal of the Chemical Society. Chemical communications p. 184 - 185 (1989)
Update date:2022-08-31
Topics:
Jurczak, Janusz
Ostaszewski, Ryszard
Salanski, Piotr
α,ω-Tertiary diamines react under high pressure with α,ω-di-iodo compounds to give the cyclic bis-quaternary salts in almost quantitative yields and their subsequent demethylation with triphenylphosphine affords N,N'-dimethyl diazacoronands in high yield.
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