ChemInform Abstract: Carbon Dioxide: A Reagent for Simultaneous Protection of Nucleophilic Centers and the Activation of Alternative Locations to Electrophilic Attack. Part 10. α-Metalation of Tetrahydroquinoline and Indoline via Their Lithium Carbamates: A Versatile One-Pot Procedure.
ChemInform Abstract
The title reaction, which is used for the preparation of α-alkylated products, e.g. (IV) and (VI), is highlighted by an easy protection-deprotection sequence.