Title of article :
Synthesis of 2,3-benzoxepins by sequential cyclopropanation/ring-enlargement reactions of benzopyrylium triflates with diazoesters
Author/Authors :
Rotzoll، نويسنده , , Sven and Appel، نويسنده , , Bettina and Langer، نويسنده , , Peter، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2005
Abstract :
Functionalized 2,3-benzoxepins were prepared by cyclopropanation of benzopyrylium triflates with diazoesters and subsequent TFA-mediated ring enlargement.
Keywords :
cyclization , Pyrylium salts , diazo compounds , Benzoxepins
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
