6533b86ffe1ef96bd12ce657

RESEARCH PRODUCT

Reactions of 1-isopropyl-3-methyl- and 2,3-dimethylindoles with triethyl orthoformate: New trisindolylmethanes

Ulf PindurJohann Müller

subject

Steric effectschemistry.chemical_compoundchemistryBicyclic moleculeOrganic ChemistryStructural isomerOrganic chemistryOrthoesterNuclear magnetic resonance spectroscopyTriethyl orthoformateIsopropyl

description

Indoles 1 and 2 react with triethyl orthoformate under proton–catalyzed conditions to form trisindolylmethanes. The regioisomer distribution of the products is controlled by steric and electronic factors.

https://doi.org/10.1002/jhet.5570240156