Method for the solid-phase parallel synthesis of a 6-alkylamino-2-(functionalized-aminomethyl)-2H-1-benzopyran Library |
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Authors: | Hwang Jong Yeon Choi Hyung-Sub Seo Jin-soo La Hyun-Ju Yoo Sung-eun Gong Young-Dae |
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Institution: | Medicinal Science Division, Korea Research Institute of Chemical Technology, Yusung-gu, Daejeon 305-600, Korea. |
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Abstract: | 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 resin-bound 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. |
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