Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Ken Okuno"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 1794-1799 (2024)
Enantioselective halolactonizations of sterically less hindered alkenoic acid substrates without substituents on the carbon–carbon double bond have remained a formidable challenge. To address this limitation, we report herein the asymmetric bromola
Externí odkaz:
https://doaj.org/article/0d7d1923cde544ed88840e116616e919
Publikováno v:
Tetrahedron Chem, Vol 6, Iss , Pp 100037- (2023)
The synthetic utility of onium salts is widely recognized in organic chemistry. Among the wide variety of onium salt compounds, quaternary ammonium and phosphonium salts are known as representative organocatalysts. Although the catalytic abilities of
Externí odkaz:
https://doaj.org/article/884d3194156b4a7ab0243cc354162638
Publikováno v:
Advanced Synthesis & Catalysis. 365:1496-1504
Publikováno v:
Organic & Biomolecular Chemistry. 21:3263-3275
Recent advances in chiral sulfide-catalyzed asymmetric halocyclizations are summarized.
Publikováno v:
Chemical and Pharmaceutical Bulletin. 70:599-604
1,1′-Bi-2-naphthol (BINOL)-derived chiral bifunctional sulfide and selenide catalysts that possess a hydroxy group are known to be effective catalysts for enantioselective bromolactonizations. When applied to asymmetric iodolactonizations of 4-pent
Publikováno v:
Chirality. 34:915-924
Although the wide variety of heterocyclic compounds is common knowledge, chiral 2-oxazolidinones are recognized as some of the most important heterocycles in medicinal chemistry. Many important pharmaceutical molecules have been constructed based on
Publikováno v:
Bulletin of the Chemical Society of Japan. 95:52-58
Publikováno v:
Asian Journal of Organic Chemistry. 10:655-659
Publikováno v:
Chemical Communications. 57:10907-10910
Asymmetric halolactonizations are powerful methods for the syntheses of chiral lactones. Catalytic and highly enantioselective halolactonizations of α-allyl carboxylic acids, however, continue to present a formidable challenge. Herein, we report the
Publikováno v:
Chemistry – An Asian Journal. 15:463-472
The synthetic utility of alkyl-onium salt compounds is widely recognized in the field of organic chemistry. Among the wide variety of onium salts, quaternary ammonium, phosphonium, and tertiary sulfonium salts have been the most useful compounds in o