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Bridge head system momenclature

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Taj Khan

This document discusses nomenclature for bridgehead heterocycles. It notes that the two carbons forming each bridge will always be cis to each other, and both hydrogens will be on the same side. It also notes that both bridgehead positions are on the same carbon, so bicyclo nomenclature cannot be used, but the process is similar - substitute "spiro" for "bicyclo", insert the two bridge lengths, and use the same suffix as before.

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Nomenclature of bridge head heterocycles Dr Taj Khan Dept. of Pharmaceutical Chemistry, OCP, Sanpada, New Mumbai.
Bridge head system momenclature
Two carbons forming each bridge will always be cis to each other Both hydrogens are on the same side
Bridge head system momenclature
Bridge head system momenclature
Bridge head system momenclature
Both bridgehead positions are on the same C, so cant use bicyclo nomenclature as before- but the process is very similar. simply substitute spiro for bicyclo , insert the two bridge lengths, and place the suffix as before.

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Bridge head system momenclature

  • 1. Nomenclature of bridge head heterocycles Dr Taj Khan Dept. of Pharmaceutical Chemistry, OCP, Sanpada, New Mumbai.
  • 3. Two carbons forming each bridge will always be cis to each other Both hydrogens are on the same side
  • 7. Both bridgehead positions are on the same C, so cant use bicyclo nomenclature as before- but the process is very similar. simply substitute spiro for bicyclo , insert the two bridge lengths, and place the suffix as before.