ELECTRON-TRANSFER ACTIVATION. SALT EFFECTS ON THE PHOTOOXADIDATION OF TERTIARY AMINES : A USEFUL N-DEMETHYLATION METHOD
Photooxidation of tertiary methylamines sensitized by electron acceptors like 9,10-dicyanoanthracene is shown to proceed by two distinct ways depending on the presence of added salts.In the absence of added salt both nor and N-formyl compounds were obtained while with added salt the nor-derivative is obtained highly efficiently.
Santamaria, J.,Ouchabane, R.,Rigaudy, J.
p. 3977 - 3980
(2007/10/02)
The synthesis of anticholinergically active N-alkylnorscopolamines and their quaternary salts with particular consideration of the bronchospasmolytic compound (-)-N-ethylnorscopolamine methobromide (Ba 253 BR)
The synthesis of anticholinergic N-alkylnorscopolamines and their quaternary salts, especially the synthesis of (-)-N-ethylnorscopolamine methobromide (Ba 253 BR), is reported. (-)-N-Ethylnorscopolamine methobromide differs from the stereoisomeric (-)-N-ethylscopolammonium bromide not only by its physico-chemical, but also by its pharmacological properties. (-)-N-Ethylnorscopolamine methobromide represents an anticholinergic bronchodilator with long duration of action.
Banholzer,Pook
p. 217 - 228
(2007/10/02)
The chemistry of tropane derivatives. 3. Synthesis of nor-(--) scopolamine and some norscopine and scopine esters
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Werner,Schickfluss
p. 152 - 157
(2007/10/05)
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