Process for the Preparation of E-3-2-(7-Chloro-2-Quinolinyl)EthenylBenzaldehyde

摘要

An improved, scalable, and environmentally friendly manufacturing procedure for the preparation of E-3-[2-(7-chloro-2-quinolinyl)ethenyl]benzaldehyde, which is a key early intermediate used in the preparation of montelukast sodium, and the compound prepared by such a process.