NHC-Catalyzed Aza-Benzoin Condensation of N, N′-Dipyridin-2-yl Aminals with Aldehydes
α-Amino ketones are useful compounds because of their synthetic utility and bioactivities. After observing the ability of N,N′-dipyridin-2-yl aminals to form imines in situ, the synthesis of α-amino ketones using N,N′-dipyridin-2-yl aminals was proposed.
Lamb, Justin S.,Takashima, Ryo,Suzuki, Yumiko
p. 10224 - 10234
(2021/08/16)
Formation of azomethines from 2-aminothiazoles and (heterocyclic) aromatic aldehydes
Reexamination of previous work and new studies show that the reactions of 2-aminothiazoles with (heterocyclic) aromatic aldehydes are not straightforward; there are wide divergencies in behaviour between the various amine-aldehyde pairs. Simple efficient
Hopkinson,Meakins,Purcell
p. 621 - 624
(2007/10/02)
CONDENSATION REACTIONS BETWEEN AROMATIC ALDEHYDES AND SOME HETEROCYCLIC AROMATIC AMINES
1,1-Diamino derivatives are obtained by means of reactions between 2-aminothiazole and aromatic aldehydes carried out in methanol (and in dimethyl sulphoxide).The reaction of amine with the C=N of imine occurs without catalyst and is an easier process than its addition to C=O.This behaviour is also displayed by a number of aromatic heterocycles and homocyclic amines and may be explained by considering the activating effect of the electron-withdrawing group present in the imine moiety.
Forlani, Luciano,Sintoni, Marina,Todesco, Paolo E.
p. 229 - 232
(2007/10/02)
Synthesis and Properties of Azomethines from α-Amino-N-heterocycles
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Boedeker, J.,Courault, K.
p. 336 - 342
(2007/10/02)
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