Q. The thermal cyclisation of trans, trans – 2,4-hexadiene gives _.
Solution:
- Cyclization is the simplest way to introduce a conformational constraint often via connecting two suitable sites (head to tail, backbone to side chain, or side chain to side chain).
- Thermal electrocyclic ring closure of trans, trans-2, 4-hexadiene forms a cyclobutene with trans
methyl group.
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