[HTML][HTML] Challenges in natural product-based drug discovery assisted with in silico-based methods

CV Simoben, SB Babiaka, AFA Moumbock… - Rsc Advances, 2023 - pubs.rsc.org
The application of traditional medicine by humans for the treatment of ailments as well as
improving the quality of life far outdates recorded history. To date, a significant percentage of …

Enantioselective synthesis of tryptanthrin derivatives enabled by an asymmetric aza-Friedel–Crafts reaction

Y You, GY Gan, SY Duan, YP Zhang, Q Li… - Organic Chemistry …, 2023 - pubs.rsc.org
A highly enantioselective aza-Friedel–Crafts reaction of tryptanthrin-derived ketimines with
indoles/pyrrole using chiral phosphoric acid as a catalyst has been established. This …

Iodine-Catalyzed Synthesis of Benzo-β-carbolines through Desulfurative Cyclization of 2-(1H-Indol-3-ylsulfanyl)-phenylamines with Aryl Methyl Ketones

SS Marupalli, M Arockiaraj, G Singh… - The Journal of …, 2023 - ACS Publications
A novel transition metal-free strategy for the synthesis of benzene-fused β-carboline
scaffolds has been developed. This protocol offers a rapid and direct pathway to access the …

Enantioselective Access to Tetrahydroxanthones via Copper-bis(oxazoline)-Catalyzed [4 + 2] Cycloaddition

JW Attard, JR Noel, Y Guan, AE Mattson - Organic Letters, 2023 - ACS Publications
Highly enantioselective access to tetrahydroxanthone compounds was achieved through
copper-bis (oxazoline)-catalyzed [4+ 2] cycloaddition of chrom-4-one dienophiles and …

Construction of a Pentacyclic Framework Enabled by Nickel Catalysis

N Iqbal, MA Ashraf, AR Gul, J Bae, N Iqbal… - Organic …, 2023 - ACS Publications
We present a novel nickel-catalyzed reaction of indole-tethered 2-alkynylphenol esters with
various (hetero) aryl boronic acids, resulting in the synthesis of diversely functionalized …

[HTML][HTML] Halimanes and cancer: ent-halimic acid as a starting material for the synthesis of antitumor drugs

AM Roncero, IE Tobal, RF Moro, D Diez… - Frontiers in …, 2023 - frontiersin.org
The development of new anti-cancer agents is an urgent necessity nowadays, as it is one of
the major causes of mortality worldwide. Many drugs currently used are derived from natural …

Substrate‐controlled chemoselective synthesis of 1‐sulfonylquinazoline‐2, 4 (1H, 3H)‐diones and 2‐sulfonamidobenzonitriles

P Zhao, Q Zeng - Journal of Heterocyclic Chemistry, 2023 - Wiley Online Library
We have developed a diversity‐oriented, substrate‐controlled, chemoselective synthetic
method for a variety of structurally diverse 1‐sulfonylquinazoline‐2, 4 (1H, 3H)‐diones and 2 …

Total synthesis of kopsone

K Tomoya, K Komiya, D Nakajima, N Umekubo… - Organic …, 2023 - ACS Publications
A total synthesis of kopsone was achieved, featuring stereoselective preparation of an
acyclic aldehyde having a protected hydroxylamine moiety via Ireland–Claisen …

[HTML][HTML] Mechanism-based biomarkers for the quality control of Dangkwisoo-san: a scoping review

JH Lee, S Jin, MJ Lee, NKS Tran, YJ Kim, S Lee… - Applied Biological …, 2023 - Springer
Dangkwisoo-san (DS) is a traditional Korean herbal medicine used to treat traumatic
diseases, including pulmonary contusions, traumatic pneumothorax, bruising, and ankle …

Synthesis and antitumoral evaluation of natural product‐like compounds based on tropolone and benzotropolone derivatives

M Eugui, V Lucero, H do Carmo, M Cabrera… - Archiv der …, 2023 - Wiley Online Library
We present the preparation of a series of novel natural product‐like homobarrelenones,
norcaranes, and dihydrofluorenones through a diversity‐oriented synthetic (DOS) strategy …