Collection: Quinolyne Precursors

Quinolyne Precursors — gathers bromo- and chloro-quinoline derivatives at various ring positions that function as precursors for forming quinolyne, a reactive intermediate analogous to heterocyclic aryne. These compounds serve as starting materials for elimination reactions that generate highly reactive intermediates in heterocyclic synthesis.

Quinolyne Precursors such as 3-Bromoquinoline and 6-Chloroquinoline are used by synthetic heterocyclic chemists to generate quinolyne species in situ through reaction with strong bases, which are then trapped by nucleophiles or dienophiles in cycloaddition reactions. The different halogen positions on the quinoline ring allow formation of specific quinolyne regioisomers according to the target molecule being synthesized.

Example products in this collection: TCI B4155 4965-36-0 7-Bromoquinoline, TCI C0283 612-57-7 6-Chloroquinoline, TCI B3421 16567-18-3 8-Bromoquinoline, TCI B1013 5332-24-1 3-Bromoquinoline, TCI B3078 4964-71-0 5-Bromoquinoline, TCI B2015 5332-25-2 6-Bromoquinoline.

Select the halogen substitution position (3-, 5-, 6-, 7-, or 8-bromo/chloro) according to the desired quinolyne regiochemistry, and pay attention to the purity of the starting material so the elimination reaction proceeds cleanly. All products are genuine Tokyo Chemical Industry (TCI) Japan products, with purity, packaging, and storage conditions listed on each item's page.

Other parallel categories under Aryne Precursors, Heteroaryne Precursors, are often used together in one laboratory workflow:

Back to Aryne Precursors, Heteroaryne Precursors. For large-volume procurement, special packaging, or specific grades, contact the AMI Scientific team — the official TCI Japan distributor in Indonesia — to check availability and lead time directly from Japan.

6 products