A one-pot synthesis of 8-amino-1-methoxy-6 H -dibenzo[ b,d ]pyran-6-one

Jilani, J. A. A one-pot synthesis of 8-amino-1-methoxy-6 H -dibenzo[ b,d ]pyran-6-one Chemical Papers, Vol.61, No. 5, 2007, 410-412

Document type: Článok z časopisu / Journal Article
Collection: Chemical papers  

Author(s) Jilani, J. A.
Title A one-pot synthesis of 8-amino-1-methoxy-6 H -dibenzo[ b,d ]pyran-6-one
Journal name Chemical Papers
Publication date 2007
Year available 2007
Volume number 61
Issue number 5
ISSN 0366-6352
Start page 410
End page 412
Place of publication Poland
Publisher Versita
Collection year 2007
Language english
Subject 250000 Chemical Sciences
250300 Organic Chemistry
Abstract/Summary 8-Amino-1-methoxy-6H-dibenzo[b,d]pyran-6-one was synthesized in a one-pot reaction of 2′,6′-dimethoxy-4-nitro-1,1′-biphenyl-2-carboxylic acid methyl ester using hydroiodic acid as a reagent to effect O-demethylation, lactonization, and nitro reduction to amine. This new reaction represents an improved alternative to the previously reported three-step reactions for this transformation.
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