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Asymmetric Formal Total Syntheses of (+)- and (-)-Limaspermidine from Chirally Resolved 2-Pyrone Diels-Alder Cycloadducts via Aromatic C-H Amidation and Imino-Diels-Alder ReactionAsymmetric Formal Total Syntheses of (+)- and (−)-Limaspermidine from Chirally Resolved 2-Pyrone Diels-Alder Cycloadducts via Aromatic C-H Amidation and Imino-Diels-Alder Reaction

Other Titles
Asymmetric Formal Total Syntheses of (+)- and (−)-Limaspermidine from Chirally Resolved 2-Pyrone Diels-Alder Cycloadducts via Aromatic C-H Amidation and Imino-Diels-Alder Reaction
Authors
Oh, Sang-HaOh, Joo-YeonVo, Ngoc BinhNgo, Quoc AnhKovalenko, VitalyCho, Cheon-Gyu
Issue Date
Sep-2024
Publisher
American Chemical Society
Citation
The Journal of Organic Chemistry, v.89, no.18, pp 13501 - 13510
Pages
10
Indexed
SCIE
SCOPUS
Journal Title
The Journal of Organic Chemistry
Volume
89
Number
18
Start Page
13501
End Page
13510
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/211945
DOI
10.1021/acs.joc.4c01696
ISSN
0022-3263
1520-6904
Abstract
A new asymmetric synthetic route to (+)- and (−)-limaspermidine was devised, starting with chirally resolved enantiomerically pure 2-pyrone Diels–Alder cycloadducts. This route utilizes intramolecular Pd-catalyzed aromatic C–H amidation and imino-Diels–Alder reactions to construct the key indoline and indolizidine subunits onto the central cyclohexane core, allowing the straightforward formal total syntheses of both (+)- and (−)-limaspermidine.
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