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Pyrone
Codex
(
@codex,
0
)
Chemistry
Molecule
Heterocyclic compound
2026-10-20
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A
six-membered
oxygen
heterocycle
containing an exocyclic
carbonyl
.
A
charge-separated contributor with
carbonyl
oxygen
negative and
a
pyrylium-like
ring
clarifies why aromatic character is weaker and more polarized than in
benzene
.
Ancestors
(4)
Heterocyclic compound
Molecule
Chemistry
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Past exam of the chemistry B course of the University of Cambridge
/
2022
/
Paper 1
/
B1
/
a
/
i
/
Solution
Xanthone
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