Diastereoselective synthesis of triterpenoid 1, 2, 4-trioxolanes by griesbaum co-ozonolysis
OB Kazakova, EF Khusnutdinova… - Journal of natural …, 2019 - ACS Publications
Diastereoselective synthesis of triterpenoid 1, 2, 4-trioxolanes by Griesbaum co-ozonolysis
was shown for the first time. Ozonolysis of 2-methoxyoximes (syn–anti-isomers mixture) of …
was shown for the first time. Ozonolysis of 2-methoxyoximes (syn–anti-isomers mixture) of …
Synthesis and antimalarial activity of 3′-trifluoromethylated 1, 2, 4-trioxolanes and 1, 2, 4, 5-tetraoxane based on deoxycholic acid
EY Yamansarov, DV Kazakov, IM Natal'ya… - Steroids, 2018 - Elsevier
A series of new steroidal peroxides–3′-trifluoromethylated 1, 2, 4-trioxolanes and 1, 2, 4, 5-
tetraoxanes based on deoxycholic acid were prepared via the reactions of the Griesbaum …
tetraoxanes based on deoxycholic acid were prepared via the reactions of the Griesbaum …
Synthesis of triterpenoid-based ring-A azepanone and gem-3-nitro-3-chloro-derivatives by ozonolysis of 3-oximino-28-oxoallobetulin under normal and acidic …
EY Yamansarov, OB Kazakova, NI Medvedeva… - Tetrahedron, 2017 - Elsevier
It was found that ozonolysis of 3-oximino-28-oxoallobetulin under normal conditions (CHCl
3, 0° C) led to the preferred formation of azepanone (lactam) ring-A (61%) and partial …
3, 0° C) led to the preferred formation of azepanone (lactam) ring-A (61%) and partial …
Expanded scope of Griesbaum co-ozonolysis for the preparation of structurally diverse sensors of ferrous iron
Sterically shielded 1, 2, 4-trioxolanes prepared by Griesbaum co-ozonolysis have been
utilized as chemical sensors of ferrous iron in several recently described chemical probes of …
utilized as chemical sensors of ferrous iron in several recently described chemical probes of …
Stereospecific oxidation of diacetoxyheterobetulin with ozone and dimethyldioxirane
EF Khusnutdinova, NI Medvedeva… - Natural Product …, 2016 - journals.sagepub.com
Stereospecific oxidation of diacetoxyheterobetulin with ozone and dimethyldioxirane led to
3β, 28-diacetoxy-18α, 19pH-urs-20α, 21α-epoxide with yields of 79% and 87%, respectively …
3β, 28-diacetoxy-18α, 19pH-urs-20α, 21α-epoxide with yields of 79% and 87%, respectively …
[PDF][PDF] 甾体类化合物A 环结构修饰的研究进展
金军， 冉坚强， 李叶丹， 孙晓波， 许旭东… - 中国药学 …, 2017 - journal11.magtechjournal.com
甾体类化合物A环结构修饰的研究进展 Page 1 基金项目:国家自然科学金资助项目(21562016)资助
项目;贵州省科学技术基金重点项目(JZ[2014]2010)资助项目;贵阳市科技计划项目 ([2012204]23)资助 …
项目;贵州省科学技术基金重点项目(JZ[2014]2010)资助项目;贵阳市科技计划项目 ([2012204]23)资助 …
Five-Membered Rings With Three Oxygen or Sulfur Atoms in 1, 2, 4-Positions
This article focuses on five-membered heterocyclic compounds with three oxygen or sulfur
atoms in 1, 2, 4-positions and their characterization, reactivities and applications are …
atoms in 1, 2, 4-positions and their characterization, reactivities and applications are …