<sup>1</sup>H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and Isoborneol
Complete assignments of the <sup>1</sup>H NMR chemical shifts for monoterpenes, borneol, and isoborneol, and their derivatives in which the secondary hydroxy group is protected with an acetyl group or a benzoyl group, have been made in CDCl<sub>3</sub> and C<sub>6</s...
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2024-10-01
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| author | Baohe Lyu Honoka Sako Mio Sugiura Yoshikazu Hiraga Ryukichi Takagi Satomi Niwayama |
| author_facet | Baohe Lyu Honoka Sako Mio Sugiura Yoshikazu Hiraga Ryukichi Takagi Satomi Niwayama |
| author_sort | Baohe Lyu |
| collection | DOAJ |
| description | Complete assignments of the <sup>1</sup>H NMR chemical shifts for monoterpenes, borneol, and isoborneol, and their derivatives in which the secondary hydroxy group is protected with an acetyl group or a benzoyl group, have been made in CDCl<sub>3</sub> and C<sub>6</sub>D<sub>6</sub>. Upon the protection of the hydroxy group with the carbonyl functional groups, or acetyl or benzoyl groups, many protons constituting the bicyclic ring exhibited downfield and upfield shifts in the chemical shift values, aiding in the unambiguous assignments of protons and carbons. |
| format | Article |
| id | doaj-art-6988ed9e2cd740a6a7dd2be8af2758a4 |
| institution | OA Journals |
| issn | 1422-8599 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molbank |
| spelling | doaj-art-6988ed9e2cd740a6a7dd2be8af2758a42025-08-20T02:01:10ZengMDPI AGMolbank1422-85992024-10-0120244M189910.3390/M1899<sup>1</sup>H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and IsoborneolBaohe Lyu0Honoka Sako1Mio Sugiura2Yoshikazu Hiraga3Ryukichi Takagi4Satomi Niwayama5Graduate School of Science and Technology, Hiroshima Institute of Technology, 2-1-1 Miyake, Saeki-ku, Hiroshima 731-5193, JapanGraduate School of Science and Technology, Hiroshima Institute of Technology, 2-1-1 Miyake, Saeki-ku, Hiroshima 731-5193, JapanGraduate School of Science and Technology, Hiroshima Institute of Technology, 2-1-1 Miyake, Saeki-ku, Hiroshima 731-5193, JapanGraduate School of Science and Technology, Hiroshima Institute of Technology, 2-1-1 Miyake, Saeki-ku, Hiroshima 731-5193, JapanDepartment of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, JapanGraduate School of Engineering, Muroran Institute of Technology, 27-1, Mizumoto-cho, Muroran 050-8585, JapanComplete assignments of the <sup>1</sup>H NMR chemical shifts for monoterpenes, borneol, and isoborneol, and their derivatives in which the secondary hydroxy group is protected with an acetyl group or a benzoyl group, have been made in CDCl<sub>3</sub> and C<sub>6</sub>D<sub>6</sub>. Upon the protection of the hydroxy group with the carbonyl functional groups, or acetyl or benzoyl groups, many protons constituting the bicyclic ring exhibited downfield and upfield shifts in the chemical shift values, aiding in the unambiguous assignments of protons and carbons.https://www.mdpi.com/1422-8599/2024/4/M1899NMR assignmentbicyclic monoterpeneacetatebenzoate |
| spellingShingle | Baohe Lyu Honoka Sako Mio Sugiura Yoshikazu Hiraga Ryukichi Takagi Satomi Niwayama <sup>1</sup>H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and Isoborneol Molbank NMR assignment bicyclic monoterpene acetate benzoate |
| title | <sup>1</sup>H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and Isoborneol |
| title_full | <sup>1</sup>H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and Isoborneol |
| title_fullStr | <sup>1</sup>H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and Isoborneol |
| title_full_unstemmed | <sup>1</sup>H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and Isoborneol |
| title_short | <sup>1</sup>H NMR Chemical Shift Changes as a Result of Introduction of Carbonyl-Containing Protecting Groups Observed in Bornol and Isoborneol |
| title_sort | sup 1 sup h nmr chemical shift changes as a result of introduction of carbonyl containing protecting groups observed in bornol and isoborneol |
| topic | NMR assignment bicyclic monoterpene acetate benzoate |
| url | https://www.mdpi.com/1422-8599/2024/4/M1899 |
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