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All Journal Journal of Health, Education, Economics, Science, and Technology (J-HEST)
Chinpiao Chen
National Dong Hwa University
Economics, Econometrics & Finance Education Health Professions Library & Information Science Other

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Enantioselective Synthesis of 2,3-Dihydrofurans Using the Catalyst of Camphor/Pinene-Based Bypiridine Andre Anusta Barus; Chinpiao Chen
J-HEST Journal of Health Education Economics Science and Technology Vol. 5 No. 1 (2022): Journal of Health, Education, Economics, Science, and Technology
Publisher : Polewali: Dewan Pengurus Daerah Sulawesi Barat Forum Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36339/jhest.v5i1.92

Abstract

This research describes the synthesis of two kinds of chiral ligand and their application in the cyclization of 2,3-dihydrofuran. They are camphor-based bipyridine and pinene-based bipyridine. These ligands were prepared followed the known procedure, and they were used for the enantioselective preparation of 2,3-dihydrofuran in the present of enone and ethyl bromoacetate. Ligand that gives the highest enantioselectivity value is pinene bipyridine-salt with 56% ee for cis isomer (86% yield) while 30% ee is obtained for trans isomer of 2,3-dihydrofuran (1/3).
Co-Authors Andre Anusta Barus