Illustrated Glossary of Organic Chemistry
Spiro:
A
molecule
containing two or more rings in which the adjoined rings share exactly one atom.
In spiro[2.3]
hexane
, a
cyclopropane ring
and a
cyclobutane ring
share one carbon atom.
Spirono
lactone
is a
steroidal
potassium-sparing diuretic
drug
used to treat heart failure and other diseases. It features a spiro
cyclopentane
/
lactone
ring system (shown in red).
Related terms:
Cyclic
,
bicyclic
,
tricyclic
,
acyclic
,
cycloalkane
,
heterocycle
,
bridged
,
fused
Wikipedia entry
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