Title of article
Synthesis of 8-O-alkylshikonin(alkannin)s: new ketal formation, tautomerism, and nucleophilic aromatic substitution
Author/Authors
Tsuchiya، نويسنده , , Tsutomu and Ohmuro، نويسنده , , Shintaro، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2002
Pages
5
From page
611
To page
615
Abstract
The reaction of 5,8,1′-tri-O-acetylshikonin(alkannin) with KOH in an alcohol gives selectively 1′-O-acetyl-8-O-alkylshikonin(alkannin)s through methoxylation under tautomerism followed by quinone monoketalization.
Keywords
quinone monoketal , nucleophilic aromatic substitution , tautomerism , Shikonin , Alkannin
Journal title
Tetrahedron Letters
Serial Year
2002
Journal title
Tetrahedron Letters
Record number
1649413
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