Design and synthesis of a novel tyrosine kinase inhibitor template

We report the design and synthesis of an insulin receptor kinase family-targeted inhibitor template using the inhibitor conformation observed in an IGF1R/inhibitor co-crystal complex by application of a novel molecular design approach that we have recently published. The synthesis of the template involves a one pot Opatz cyclization reaction that provides a versatile indole ester in good yields. We also developed the required chemistry to elaborate this template with additional substituents and have used this chemistry to prepare some initial compounds that show selective inhibition of anaplastic lymphoma kinase (ALK).

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