Catalyst-Controlled Chemodivergent Synthesis of Spirochromans from Diarylideneacetones and Organoboronic Acids
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A chemodivergent synthesis of two series of spirochromans depending on the catalytic system was developed. Starting from diarylideneacetones and organoboronic acids, asymmetric rhodium catalysis led to the enantioselective synthesis of 4,4′-disubstituted 2,2′-spirobichromans, while acid catalysis led to the formation of 4-substituted spirochroman-2,2′-chromenes. A plausible mechanism of the chemodivergent synthesis was proposed.
创建时间：
2020-02-03
