Indoline is an aromatic heterocyclic organic compound with the chemical formula C8H9N. It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing ring. The compound is based on the indole structure, but the 2-3 bond is saturated. By oxidation/dehydrogenation it can be converted to indoles.
Song, C.Lai, W.-C.Madhusudan Reddy, K.Wei, B.Chapter 7. Temperature-programmed retention indices for GC and GC-MS of hydrocarbon fuels and simulated distillation GC of heavy oilsAnalytical advances for hydrocarbon researchHsu,C.S., ed(s)., Kluwer Academic/Plenum Publishers, New York, 2003, 147-193.
Van Den Dool and Kratz RI, non-polar column, temperature ramp