Use of Vilsmeier reagent for the solid-phase synthesis of 1,5-disubstituted 4,5-dihydro-1H-imidazoles and disubstituted 4,5-dihydro-1H-imidazolylbenzimidazoles |
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Authors: | Acharya Achyuta N Thai Cattram Ostresh John M Houghten Richard A |
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Affiliation: | Torrey Pines Institute for Molecular Studies, 3550 General Atomics Court, San Diego, CA 92121, USA. |
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Abstract: | The solid-phase synthesis of novel imidazolines and dihydroimidazolylbenzimidazoles is described. Resin-bound diamines, derived from resin-bound N-acylated amino acid amides, were cyclized using Vilsmeier reagent to yield imidazolines following cleavage. Similarly, cyclization of resin-bound tetraamines having two secondary amines and an o-dianiline yielded dihydroimidazolylbenzimidazoles following cleavage. |
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