Chengshan Yuan
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View article: Twist and Shine: Ultra‐Narrow Red Emission from Nitrogen and Oxygen Co‐Doped Hetero‐Nanographenes
Twist and Shine: Ultra‐Narrow Red Emission from Nitrogen and Oxygen Co‐Doped Hetero‐Nanographenes Open
Nanographenes, known for their exceptional optoelectronic properties, have garnered significant interest for their tunable electronic structures, particularly through heteroatom doping. Herein, we report the synthesis of two twisted hetero…
View article: Twist and Shine: Ultra‐Narrow Red Emission from Nitrogen and Oxygen Co‐Doped Hetero‐Nanographenes
Twist and Shine: Ultra‐Narrow Red Emission from Nitrogen and Oxygen Co‐Doped Hetero‐Nanographenes Open
Nanographenes, known for their exceptional optoelectronic properties, have garnered significant interest for their tunable electronic structures, particularly through heteroatom doping. Herein, we report the synthesis of two twisted hetero…
View article: Valence state engineering in multi-heteroatom-doped PAHs: a strategy for tunable photophysical properties and phototheranostic potentials
Valence state engineering in multi-heteroatom-doped PAHs: a strategy for tunable photophysical properties and phototheranostic potentials Open
Multi-heteroatom-doped heptacene derivatives exhibit boosted fluorescence and singlet oxygen generation via sulfur oxidation, while pyridine methylation redshifts absorption into the NIR region, enhancing photothermal conversion.
View article: Two new sesquiterpene eudesmanolides from the <i>Croton cascarilloides</i> Raeusch
Two new sesquiterpene eudesmanolides from the <i>Croton cascarilloides</i> Raeusch Open
Two new sesquiterpene eudesmanolides, 5α-hydroxy-eudesman-7(11)-en-8α(12)-olide (1), and 5α-hydroxy-7(11)-en-8-oxo-eudesmane (2), along with six known sesquiterpene eudesmanolides, were isolated from the leaves and twigs of Croton cascaril…
View article: Bowl on the ring: Molecular crowns hosting fullerenes synergistically by buckybowl and nanohoop
Bowl on the ring: Molecular crowns hosting fullerenes synergistically by buckybowl and nanohoop Open
Curved π‐electron systems show unique properties and assembly feature that enable the specific applications in materials science and supramolecular chemistry. Herein, fullerene, carbon nanohoop and π‐bowl are integrated by the coupling of …
View article: Spiro‐Buckybowls: Synthesis and Selective Transformations Toward Chiral and Nonlinear Optical Polycycles
Spiro‐Buckybowls: Synthesis and Selective Transformations Toward Chiral and Nonlinear Optical Polycycles Open
Integration of spirocycles with buckybowls is a promising strategy to construct three‐dimensional (3D) curved π‐systems and to endow distinctive physicochemical features arising from buckybowls. Herein, a series of carbon‐bridged spiro‐typ…
View article: Characterization of the P450 Monooxygenase LobP1 as C-32 Hydroxylase in Lobophorin Biosynthesis
Characterization of the P450 Monooxygenase LobP1 as C-32 Hydroxylase in Lobophorin Biosynthesis Open
Lobophorins (LOBs) belong to a large family of spirotetronate antibiotics with antibacterial and antitumor activities. In this study, we demonstrated the function of LobP1, a P450 monooxygenase encoded in the LOB biosynthetic gene cluster,…
View article: CCDC 2125980: Experimental Crystal Structure Determination
CCDC 2125980: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2126157: Experimental Crystal Structure Determination
CCDC 2126157: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2126028: Experimental Crystal Structure Determination
CCDC 2126028: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2126029: Experimental Crystal Structure Determination
CCDC 2126029: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2126106: Experimental Crystal Structure Determination
CCDC 2126106: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2129460: Experimental Crystal Structure Determination
CCDC 2129460: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Monoazadichalcogenasumanenes: Synthesis, Structures, and Ring Reconstruction via Atom Transfer under Acidic Conditions
Monoazadichalcogenasumanenes: Synthesis, Structures, and Ring Reconstruction via Atom Transfer under Acidic Conditions Open
Buckybowls have unique properties that can be tailored by embedding main‐group elements into their π‐scaffolds. Herein, a synthetic approach is developed for producing monoazadichalcogenasumanenes ( 4 a/4 b , 6 a/6 b , 7 a/7 b ) derived fr…
View article: Penicisteckins A–F, Isochroman-Derived Atropisomeric Dimers from <i>Penicillium steckii</i> HNNU-5B18
Penicisteckins A–F, Isochroman-Derived Atropisomeric Dimers from <i>Penicillium steckii</i> HNNU-5B18 Open
Penicisteckins A-D (1-4), two pairs of atropodiastereomeric biaryl-type hetero- and homodimeric bis-isochromans with 7,5'- and 7,7'-linkages and a pair of atropodiastereomeric 2-(isochroman-5-yl)-1,4-benzoquinone derivatives [penicisteckin…
View article: A <i>tellura</i>-Baeyer–Villiger oxidation: one-step transformation of tellurophene into chiral tellurinate lactone
A <i>tellura</i>-Baeyer–Villiger oxidation: one-step transformation of tellurophene into chiral tellurinate lactone Open
A tellura-Baeyer–Villiger oxidation is discovered, which enables one-step transformation of tellurophene into chiral tellurinate lactones. The resulting tellurinate lactones are dimerized in the solid state to form U-shaped polycycles.
View article: Tetrathiafulvalene‐Fused Heterabuckybowl: Protonation‐Induced Electron Transfer and Self‐Sensitized Photooxidation
Tetrathiafulvalene‐Fused Heterabuckybowl: Protonation‐Induced Electron Transfer and Self‐Sensitized Photooxidation Open
The electron donor tetrathiafulvalene (D 1 ) was fused onto the electron‐rich heterabuckybowl trichalcogenasumanene (D 2 ) through an electron‐deficient pyrazine unit (A) to give 1 c , 1 d , 2 c , and 2 d , featuring the D 1 –A–D 2 structu…
View article: Marine Bacterial Aromatic Polyketides From Host-Dependent Heterologous Expression and Fungal Mode of Cyclization
Marine Bacterial Aromatic Polyketides From Host-Dependent Heterologous Expression and Fungal Mode of Cyclization Open
The structure diversity of type II polyketide synthases-derived bacterial aromatic polyketides is often enhanced by enzyme controlled or spontaneous cyclizations. Here we report the discovery of bacterial aromatic polyketides generated fro…
View article: CCDC 1542480: Experimental Crystal Structure Determination
CCDC 1542480: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Activation and characterization of a cryptic gene cluster reveals a cyclization cascade for polycyclic tetramate macrolactams
Activation and characterization of a cryptic gene cluster reveals a cyclization cascade for polycyclic tetramate macrolactams Open
We report the activation of a PTM gene cluster in marine-derived Streptomyces pactum, leading to the discovery of six new PTMs, the pactamides A-F.
View article: CCDC 1431903: Experimental Crystal Structure Determination
CCDC 1431903: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …