Spiro compound

The Brazilian Laurencia dendroidea (red algae) sesquiterpene and halogenated carbocyclic spiro compound, elatol.[9]

A further example of a hetero-cyclic spiro compound, the on-market drug spironolactone, where the two 5-membered rings ring in the upper right hand corner compose a spiro ring system. One of the rings is a lactone (i.e., contains as ester functional group).

A spiro compound, or spirane, from the Latin spīra, meaning a twist or coil, is a chemical compound, typically an organic compound, that presents a twisted structure of two or more rings (a ring system), in which 2 or 3 rings are linked together by one common atom, examples of which are shown at right.

单词	Spiro atom
释义	Spiro atom 英语百科 Spiro compound A spiro compound, or spirane, from the Latin spīra, meaning a twist or coil, is a chemical compound, typically an organic compound, that presents a twisted structure of two or more rings (a ring system), in which 2 or 3 rings are linked together by one common atom, examples of which are shown at right.
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Spiro atom

Spiro compound