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Published in 2017 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2017.05.013
Abstract: Abstract 1-epi-Castanospermine (5) was synthesized from readily available 2,3,4,6-tetra-O-benzyl-1-deoxynojirimycin (11) in 9 steps and 21% overall yield, with selective debenzylation, Barbier reaction and reductive amination as the main reaction steps.
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Keywords:
concise synthesis;
synthesis epi;
castanospermine;
epi castanospermine ... See more keywords
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Published in 2020 at "iScience"
DOI: 10.1016/j.isci.2020.100840
Abstract: Summary A highly efficient phosphine-catalyzed enantioselective [4 + 2] annulation of allenoates with 3-nitroindoles or 3-nitrobenzothiophenes has been developed. The protocol represents a unique dearomatization–aromatization process to access functionalized dihydrocarbazoles or dihydrodibenzothiophenes with high optical…
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Keywords:
annulation;
concise synthesis;
synthesis chiral;
enantioselective annulation ... See more keywords
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Published in 2020 at "Tetrahedron"
DOI: 10.1016/j.tet.2020.131346
Abstract: Abstract (−)-Quinic acid was used as a starting material in the hemisynthesis of two epimeric carbasugars isolated from Streptomyces lincolnensis. Previous 10–12 steps syntheses for the carbasugars have been herein shortened to 4–6 steps by…
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Keywords:
synthesis carbasugars;
isolated streptomyces;
concise synthesis;
carbasugars isolated ... See more keywords
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Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c01298
Abstract: A spiro-oxepin isoxazoline skeleton was constructed via 1,3-dipole cycloaddition as a key step, which enabled the total syntheses of 7-deoxyceratinamide A and 7-deoxypsammaplysins K and O. The developed chemistry could be applied to total synthesis…
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Keywords:
dipole cycloaddition;
cycloaddition;
concise synthesis;
synthesis deoxypsammaplysins ... See more keywords
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Published in 2017 at "Organic Letters"
DOI: 10.1021/acs.orglett.7b02319
Abstract: A concise two step synthesis of tetrazole containing macrocycles from readily accessible starting materials is presented. The first step comprises a chemoselective amidation of amino acid derived isocyanocarboxylicacid esters with unprotected symmetrical diamines to afford…
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Keywords:
concise synthesis;
tetrazole macrocycle;
synthesis tetrazole;
synthesis ... See more keywords
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Published in 2021 at "ACS Omega"
DOI: 10.1021/acsomega.0c05658
Abstract: Carboxyethyl hydroxychromans (CEHCs) are natural metabolites of vitamin E (VE). Their urinary levels can serve as useful biomarkers for the nutritional assessment of VE. Moreover, specific biological activities of CEHCs deserve further investigation. Here, we…
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Keywords:
concise synthesis;
concise;
cehc metabolite;
synthesis cehc ... See more keywords
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Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c06504
Abstract: An 8-step synthesis of a known pentacyclic intermediate toward the natural product pleurotin (1) is described. Pleurotin and related benzoquinone natural products are of great interest for their powerful anticancer and antibiotic activities. The route…
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Keywords:
synthesis pleurotin;
epimerization;
pleurotin enabled;
synthesis ... See more keywords
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Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc00434c
Abstract: Efficient access to evodiamine and its analogues is presented via Lewis acid catalysis. In this reaction, three chemical bonds and two heterocyclic-fused rings are constructed in one step. The reaction shows good functional group tolerance…
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Keywords:
concise synthesis;
biological study;
evodiamine;
synthesis biological ... See more keywords
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Published in 2022 at "RSC Advances"
DOI: 10.1039/d2ra01075e
Abstract: Planar chiral [2.2]paracyclophanes are resolved through the direct C–H arylation of enantiopure oxazolines, providing a convenient route to ligands and chiral materials. Preliminary results show that hydrolysis followed by decarboxylative phosphorylation leads to enantiopure [2.2]paracyclophane…
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Keywords:
chiral paracyclophane;
planar chiral;
paracyclophane;
synthesis resolution ... See more keywords
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Published in 2020 at "Synthetic Communications"
DOI: 10.1080/00397911.2020.1771370
Abstract: Abstract Methyl-2-(3-oxo-3-aryl) benzoates derived from acid catalyzed air oxidative fragmentation of 2-aryl-1-tetralones were efficiently undergone intramolecular-Claisen condensation in the presence of potassium tertiary butoxide. The resulting 2-benzoyl-1-indanones formed in two-step ring contractions were further subjected…
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Keywords:
concise synthesis;
indanones aryl;
benzoyl indanones;
synthesis benzoyl ... See more keywords
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Published in 2022 at "Natural Product Research"
DOI: 10.1080/14786419.2021.2023871
Abstract: Abstract A facile synthesis of marine natural product smenodiol has been achieved in 23.2% overall yield within 8 steps from readily available starting materials, which facilitates a concise synthesis of the marine natural product (−)-pelorol…
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Keywords:
marine natural;
pelorol;
concise synthesis;
natural product ... See more keywords