2 article(s) from Sibero, Mada Triandala
Graphical Abstract
Figure 1: Structure of the nocarimidazoles 1–4 and the bulbimidazoles 5–7.
Figure 2: COSY and key HMBC correlations for 1 and 2.
Scheme 1: Synthesis of the model compounds 8 and 9.
Figure 3: 1JC,H coupling constant for the imidazole ring of the natural products 1 and 5 and the model compou...
Figure 4: Determination of the absolute configuration of 1 (a), 4 (b), and 5 (c) by the Ohrui–Akasaka method.
Figure 5: Stereochemical diversity of the anteiso-chain chirality in microbial metabolites.
Graphical Abstract
Figure 1: Structures of compounds 1–7.
Figure 2: Key HMBC correlations and two possible structures (a and b) for karimunone A (1).
Figure 3: Key HMBC correlations for karimunone B (2).