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An effective process for the synthesis of dihydropyridines via SO4−2/SnO2‐catalyzed Hantzsch reaction
Journal of the Chinese Chemical Society ( IF 1.6 ) Pub Date : 2020-09-21 , DOI: 10.1002/jccs.202000264
Ramesh Goud Koduri 1 , Ramakanth Pagadala 1 , Ravi Varala 2 , Satyanarayana Boodida 3
Affiliation  

Sulfated tin oxide (STO) was established as an admirable heterogeneous catalyst for the single‐step synthesis of dihydropyridine derivatives via Hantzsch reaction. The synthetic method was mainly used in the presence of STO as a heterogeneous solid catalyst. STO‐catalyzed Hantzsch reaction afforded good yields (90–94%) in acetonitrile at 80°C. The synthesized titled compounds were characterized and confirmed by High Resolution Mass Spectroscopy (HRMS), Fourier Tranform‐Infrared (FTIR), 1H and 13C‐NMR, and spectral data.

中文翻译:

通过SO2-4 / SnO2催化的Hantzsch反应合成二氢吡啶的有效过程

硫酸化的氧化锡(STO)被确立为通过Hantzsch反应一步合成二氢吡啶衍生物的令人敬佩的非均相催化剂。该合成方法主要在STO存在下作为非均相固体催化剂使用。STO催化的Hantzsch反应在80°C的乙腈中提供良好的收率(90–94%)。通过高分辨率质谱(HRMS),傅立叶变换红外光谱(FTIR),1 H和13 C-NMR以及光谱数据对合成的标题化合物进行表征和确认。
更新日期:2020-09-21
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