Fungal Pigments, 49. - Synthesis of Grevillins and Related 2H-Pyran-2,5(6H)-diones
A convergent synthesis of grevillins 1 starts from diazoesters 6 which are converted into 3-aryl-2-oxopropyl ethyl oxalates 4 via bromoketones 7.Cyclization of 4 leads to pyrandiones 2 which are condensed with aromatic aldehydes to yield 4-aryl-2-benzylid
Lohrisch, Hans-Joachim,Kopanski, Lothar,Herrmann, Rupert,Schmidt, Holger,Steglich, Wolfgang
p. 177 - 194
(2007/10/02)
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