Synthesis of Symmetrical and Hybrid Dimeric Steroids by Double Suzuki–Miyaura Cross Coupling of 4-Bromo-3-oxo Steroids and Benzene-1,4-diboronic Acid

Martha C. Mayorquín-Torres,Gerardo I. Santiago-Sampedro,Marcos Flores-Álamo,Martín. A. Iglesias-Arteaga

SYNTHESIS-STUTTGART（2019）

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摘要

Two symmetrical dimers and one hybrid dimer in which the steroid cores are connected by a 1,4-phenylene moiety were obtained by double Suzuki-Miyaura cross coupling of benzene-1,4-diboronic acid with 4-bromo-4-en-3-oxosteroids derived from cholesterol and diosgenin. Detailed NMR characterization of the obtained dimers is described.

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关键词

cholesterol,diosgenin,4-bromo-4-en-3-oxosteroids,benzene-1,4-diboronic acid,double Suzuki-Miyaura cross coupling,steroid dimers,NMR,X-ray diffraction

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