Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto esters

In the presence of a commercially available Cinchona alkaloid as catalyst, the asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates, with α-fluoro-β-keto esters as nucleophiles, have been successfully developed. A series of important fluorinated adducts, with chiral quaternary carbon ce...

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Main Authors: Lin Yan, Zhiqiang Han, Bo Zhu, Caiyun Yang, Choon-Hong Tan, Zhiyong Jiang
Format: Article
Language:English
Published: Beilstein-Institut 2013-09-01
Series:Beilstein Journal of Organic Chemistry
Subjects:
Online Access:https://doi.org/10.3762/bjoc.9.216
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author Lin Yan
Zhiqiang Han
Bo Zhu
Caiyun Yang
Choon-Hong Tan
Zhiyong Jiang
author_facet Lin Yan
Zhiqiang Han
Bo Zhu
Caiyun Yang
Choon-Hong Tan
Zhiyong Jiang
author_sort Lin Yan
collection DOAJ
description In the presence of a commercially available Cinchona alkaloid as catalyst, the asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates, with α-fluoro-β-keto esters as nucleophiles, have been successfully developed. A series of important fluorinated adducts, with chiral quaternary carbon centres containing a fluorine atom, was achieved in good yields (up to 93%), with good to excellent enantioselectivities (up to 96% ee) and moderate diastereoselectivities (up to 4:1 dr).
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spelling doaj.art-4f052ca1d80d468db6e00fc52bc8fcae2022-12-21T22:49:01ZengBeilstein-InstitutBeilstein Journal of Organic Chemistry1860-53972013-09-01911853185710.3762/bjoc.9.2161860-5397-9-216Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto estersLin Yan0Zhiqiang Han1Bo Zhu2Caiyun Yang3Choon-Hong Tan4Zhiyong Jiang5Institute of Chemical Biology, Henan University, Jinming Campus, Kaifeng, Henan, 475004, P. R. ChinaInstitute of Chemical Biology, Henan University, Jinming Campus, Kaifeng, Henan, 475004, P. R. ChinaInstitute of Chemical Biology, Henan University, Jinming Campus, Kaifeng, Henan, 475004, P. R. ChinaInstitute of Chemical Biology, Henan University, Jinming Campus, Kaifeng, Henan, 475004, P. R. ChinaKey Laboratory of Natural Medicine and Immuno-Engineering of Henan Province, Henan University, P. R. ChinaInstitute of Chemical Biology, Henan University, Jinming Campus, Kaifeng, Henan, 475004, P. R. ChinaIn the presence of a commercially available Cinchona alkaloid as catalyst, the asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates, with α-fluoro-β-keto esters as nucleophiles, have been successfully developed. A series of important fluorinated adducts, with chiral quaternary carbon centres containing a fluorine atom, was achieved in good yields (up to 93%), with good to excellent enantioselectivities (up to 96% ee) and moderate diastereoselectivities (up to 4:1 dr).https://doi.org/10.3762/bjoc.9.216allylic alkylationasymmetric catalysisfluorinefluoro-β-keto estersMorita–Baylis–Hillman carbonatesnatural product
spellingShingle Lin Yan
Zhiqiang Han
Bo Zhu
Caiyun Yang
Choon-Hong Tan
Zhiyong Jiang
Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto esters
Beilstein Journal of Organic Chemistry
allylic alkylation
asymmetric catalysis
fluorine
fluoro-β-keto esters
Morita–Baylis–Hillman carbonates
natural product
title Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto esters
title_full Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto esters
title_fullStr Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto esters
title_full_unstemmed Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto esters
title_short Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto esters
title_sort asymmetric allylic alkylation of morita baylis hillman carbonates with α fluoro β keto esters
topic allylic alkylation
asymmetric catalysis
fluorine
fluoro-β-keto esters
Morita–Baylis–Hillman carbonates
natural product
url https://doi.org/10.3762/bjoc.9.216
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