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Synthesis 1990; 1990(8): 666-669
DOI: 10.1055/s-1990-26975
DOI: 10.1055/s-1990-26975
paper
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.
Tris(benzotriazol-1-yl)methane: A -CO2H Synthon for the Preparation of Carboxylic Acids
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Publikationsverlauf
Publikationsdatum:
17. September 2002 (online)
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Lithiation of tris(benzotriazol-1-yl)methane 16 gives the tris(benzotriazolyl)methyl carbanion 17 which affords substitution products 18 with many electrophiles. Acidic hydrolysis of 18 affords the corresponding carboxylic acids 19 in good yield. The syntheses of several α-functionalized carboxylic acids are described.