Apparent Carbon Monoxide Insertion<i>via</i>Double Isocyanide Incorporation during Palladium-Catalyzed Construction of Indoloquinoline Ring in a Single Pot: Synthesis of New Cytotoxic Agents
isocyanide units during a palladium‐catalyzed construction of the indoloquinoline ring afforded N‐substituted 6H‐indolo[2,3‐b]quinoline‐11‐carboxamides as new cytotoxic agents. The solvent and base play a key role in the selective and unprecedented synthesis of this class of amides.
在吲哚喹啉环的钯催化构建过程中通过结合两个异氰酸酯单元形成酰胺键,从而提供了N-取代的6 H-吲哚并[2,3 - b ]喹啉-11-羧酰胺作为新的细胞毒性剂。溶剂和碱在此类酰胺的选择性和空前的合成中起关键作用。
Pd-catalyzed isocyanide insertion/nucleophilic attack by indole C-3/desulfonylation in the same pot: a direct access to indoloquinolines of pharmacological interest