Title of article
Efficient synthesis of benzopyrano[2,3-b]pyridines by sequential reactions of 1,3-bis-silyl enol ethers with 3-cyanobenzopyrylium triflates
Author/Authors
Langer، نويسنده , , Peter W.U. Appel، نويسنده , , Bettina، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2003
Pages
3
From page
5133
To page
5135
Abstract
Benzopyrano[2,3-b]pyridines were efficiently prepared by condensation of 1,3-bis-silyl enol ethers with 3-cyanobenzopyrylium triflates and subsequent domino ‘retro-Michael–lactonization–aldol’ reactions.
Keywords
Silyl enol ethers , cyclizations , domino reactions , Pyrylium salts , pyridines
Journal title
Tetrahedron Letters
Serial Year
2003
Journal title
Tetrahedron Letters
Record number
1662860
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