2,6-Epoxy-3-benzoxocin-4-ol Derivatives by Double Intramolecular Formation of Hemiacetals
With dilute HCl the hydroxydialdehyde derivatives 10a-c are cyclised to give the tricyclic hemiacetals 6a-c.This double intramolecular formation of hemiacetals succeeds well, if R in 10 is not hydrogen; if R = H an equilibrium between 5a and 6a is observe
Wuensch, Bernhard,Bauschke, Gerd
p. 59 - 65
(2007/10/02)
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