Method for the Solid-Phase Parallel Synthesis of a 6-Alkylamino-2-(functionalized-aminomethyl)-2H-1-benzopyran Library

Hwang, J.; Choi, H.; Seo, J.; La, H.; Yoo, S.; Gong, Y. Method for the Solid-Phase Parallel Synthesis of a 6-Alkylamino-2-(functionalized-aminomethyl)-2H-1-benzopyran Library. J. Comb. Chem. 2006, 8, 897-906.

A 2000-member library of benzopyran analogues was prepared by using a solid-phase synthesis protocol. Polymer-bound 6-alkylaminobenzopyrans 7 were synthesized as part of a first generation diversification step by employing reactions of a variety of alkyl halides with the amine 6. Transformations of the resinbound intermediates 8 formed in this manner by reactions with acid halides, sulfonyl chlorides, and isocyanates leads to introduction of the second level of diversification found in the series of 6-alkylamino-2-(functionalized-aminomethyl)-2-methyl-2H-1-benzopyran analogues 11 and 12.

Method for the Solid-Phase Parallel Synthesis of a 6-Alkylamino-2-(functionalized-aminomethyl)-2H-1-benzopyran Library

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