This search combines search strings from the content search (i.e. "Full Text", "Author", "Title", "Abstract", or "Keywords") with "Article Type" and "Publication Date Range" using the AND operator.
Beilstein J. Org. Chem. 2026, 22, 1023–1032, doi:10.3762/bjoc.22.81
Graphical Abstract
Figure 1: Chemical structures of the known lichen natural products lecanoric acid (1), divaricatic acid (2), ...
Figure 2: ORTEP drawing of lecanoric acid (1).
Scheme 1: Reagents and conditions for the amidation optimisation study. i) Isopentylamine, rt, 1 h, yield 13%...
Figure 3: Chemical structures of the new semisynthetic amide analogues 6–13 generated from the purified liche...
Figure 4: Key COSY, HMBC and ROESY correlations for N-isopentyl-2,4-dihydroxy-6-methylbenzamide (6).
Beilstein J. Org. Chem. 2024, 20, 3205–3214, doi:10.3762/bjoc.20.266
Figure 1: Chemical structures of ianthelliformisamines A–G (1–7) and aplysterol (8).
Figure 2: Key COSY (), HMBC () and ROESY () correlations for ianthelliformisamines D (4) and E (5).
Figure 3: Key COSY () and HMBC () correlations for ianthelliformisamines F (6) and G (7).
Scheme 1: Total synthesis of ianthelliformisamine D (4).
Beilstein J. Org. Chem. 2022, 18, 1544–1552, doi:10.3762/bjoc.18.164
Figure 1: UHPLC–UV chromatogram (254 nm) of the CH2Cl2/MeOH extract of Ianthella basta (NB6021519); retention...
Figure 2: Chemical structures of 5-debromopurealidin H (1) and ianthesine E (2).
Figure 3: Key COSY, HMBC and ROESY correlations for 5-debromopurealidin H (1).
Figure 4: Chemical structures of the NatureBank bromotyrosine derivatives: psammaplysins F (3) and H (4), bas...
Figure 5: Dose-response assessment of in vitro activity of compounds 1–9 against exsheathed third-stage larva...