نتایج جستجو برای: b and total
تعداد نتایج: 16988222 فیلتر نتایج به سال:
Journal:
:Marine Drugs
2013
Journal:
:Journal of Synthetic Organic Chemistry, Japan
2007
Journal:
:Journal of the American Chemical Society
2021
The first total synthesis of the cytotoxic alkaloid ritterazine B is reported. features a unified approach to both steroid subunits, employing titanium-mediated propargylation reaction achieve divergence from common precursor. Other key steps include gold-catalyzed cycloisomerizations that install spiroketals and late stage C-H oxidation incorporate C7' alcohol.
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