Lithiation and electrophilic substitution of dimethyl triazones

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The lithiation and electrophilic substitution of dimethyl triazones is described. Directed lithiation or tin lithium exchange of dimethyl triazones afforded the corresponding dipole stabilized nucleophiles that were trapped with various electrophiles. Keto-triazone derivatives accessed by acylation of such nucleophiles were readily converted to the corresponding imidazolone heterocycles. (C) 2012 Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2012-07
Language
English
Article Type
Article
Keywords

ORGANOLITHIUM COMPOUNDS; AMINO PROTECTION; COMPLEX; METALATION; UREAS; MACROCYCLE; ARYLATION; NITROGEN; ARYL

Citation

TETRAHEDRON LETTERS, v.53, no.29, pp.3722 - 3726

ISSN
0040-4039
URI
http://hdl.handle.net/10203/201383
Appears in Collection
CH-Journal Papers(저널논문)
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