TY - JOUR A1 - Muthu, Muthumani A1 - Vishnu Priya, Rakkappan A1 - Almansour, Abdulrahman I. A1 - Suresh Kumar, Raju A1 - Kumar, Raju Ranjith T1 - Synthesis of indole–cycloalkyl[b]pyridine hybrids via a four-component six-step tandem process JF - Beilstein Journal of Organic Chemistry PY - 2018/// VL - 14 SP - 2907 EP - 2915 SN - 1860-5397 DO - 10.3762/bjoc.14.269 PB - Beilstein-Institut JA - Beilstein J. Org. Chem. UR - https://doi.org/10.3762/bjoc.14.269 KW - cycloalkyl[b]pyridine-3-carbonitrile KW - cyclododecanone KW - 3-(1H-indol-3-yl)-3-oxopropanenitrile KW - tandem reaction N2 - The one-pot four-component reaction of 3-(1H-indol-3-yl)-3-oxopropanenitriles, aromatic aldehydes, cycloalkanones and ammonium acetate occurred via a six-step tandem Knoevenagel condensation–nucleophilic addition to carbonyl–Michael addition–N-cyclization–elimination–air oxidation sequence to afford structurally intriguing indole–cycloalkyl[b]pyridine-3-carbonitrile hybrid heterocycles in excellent yields. ER -