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For questions about nitriles and isonitriles and their organic derivatives such as organic cyanates. Not to be used for inorganic cyanides or related structures; for those, one of the tags ionic-compounds or coordination-compounds will be appropriate.
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Decarboxylation of 2‐cyano‐2‐cyclohexylideneacetic acid [closed]
2‐Cyano‐2‐cyclohexylideneacetic acid (1) is heated and $\ce{CO2}$ is lost:
[
Why is this not formed?
In other words, why do π-electrons move into the ring?