78 results on '"Nishikawa, Keisuke"'
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2. Structure-activity relationship of anti-inflammatory meroterpenoids isolated from Dictyopteris polypodioides in RAW264 cells
3. Halogenated Cyclic Monoterpenoids with Anti‐biofouling Activity from the Okinawan Red Marine Algae Portieria hornemannii
4. Japanese Approach to Validation
5. Varenicline enhances recognition memory via α7 nicotinic acetylcholine receptors in the medial prefrontal cortex in male mice
6. Front Cover: Two New Eremophilane‐Type Sesquiterpenoids from Japanese Liverwort Bazzania japonica (Chem. Biodiversity 4/2023)
7. Two New Eremophilane‐Type Sesquiterpenoids from Japanese Liverwort Bazzania japonica
8. Divergent Synthesis of Nerolidol-type Sesquiterpenoids Produced by Soil Bacterium from an Identical Starting Material via Diepoxide Precursors: Stereochemical Revision and Absolute Configuration of a THF Natural Product
9. Total Synthesis, Revised Structure, and Cytotoxic Activities of Iubol
10. Furanocembranoid from the Okinawan soft coral Sinularia sp.
11. Dose‐dependent alkaloid sequestration and N‐methylation of decahydroquinoline in poison frogs
12. Asymmetric Total Synthesis of Toxicodenane A by Samarium-Iodide-Induced Barbier-Type Cyclization and Its Cell-Protective Effect against Lipotoxicity
13. Cover Picture
14. Asymmetric Total Syntheses, Stereostructures, and Cytotoxicities of Marine Bromotriterpenoids Aplysiol B (Laurenmariannol) and Saiyacenol A
15. Establishing a “Ring‐Size‐Divergent” Synthetic Strategy: Synthesis, Structural Revision, and Absolute Configuration of Feroniellins
16. One‐Step Synthesis of the 1‐Azaspiro[5.5]undecane Skeleton Characteristic of Histrionicotoxin Alkaloids from Linear Substrates via Hg(OTf) 2 ‐Catalyzed Cycloisomerization
17. Natural Product Synthesis Strategy Based on the Concept of Directly Constructing the Ring Skeletons from Linear Substrates
18. Tetrodotoxin Framework Construction from Linear Substrates Utilizing a Hg(OTf)2-Catalyzed Cycloisomerization Reaction: Synthesis of the Unnatural Analogue 11-nor-6,7,8-Trideoxytetrodotoxin
19. Use of whole-body cryosectioning and desorption electrospray ionization mass spectrometry imaging to visualize alkaloid distribution in poison frogs
20. Fluorinated Kavalactone Inhibited RANKL-Induced Osteoclast Differentiation of RAW264 Cells
21. Highly Active Chiral Dilithium(I) Binaphthyldisulfonate Catalysts for Enantio- and Chemoselective Strecker-Type Reactions
22. Cover Picture: Critical Switching of Cyclization Modes of Polyepoxides in Acidic Aqueous Media and Neutral Water: Synthesis and Revised Structure of a Nerolidol‐Type Sesquiterpenoid (Angew. Chem. Int. Ed. 30/2019)
23. Critical Switching of Cyclization Modes of Polyepoxides in Acidic Aqueous Media and Neutral Water: Synthesis and Revised Structure of a Nerolidol‐Type Sesquiterpenoid
24. Titelbild: Critical Switching of Cyclization Modes of Polyepoxides in Acidic Aqueous Media and Neutral Water: Synthesis and Revised Structure of a Nerolidol‐Type Sesquiterpenoid (Angew. Chem. 30/2019)
25. Critical Switching of Cyclization Modes of Polyepoxides in Acidic Aqueous Media and Neutral Water: Synthesis and Revised Structure of a Nerolidol‐Type Sesquiterpenoid
26. Author Correction: Pentamethylcyclopentadienyl rhodium(iii)–chiral disulfonate hybrid catalysis for enantioselective C–H bond functionalization
27. Pentamethylcyclopentadienyl rhodium(III)–chiral disulfonate hybrid catalysis for enantioselective C–H bond functionalization
28. Antioxidants from the Brown Alga Dictyopteris undulata
29. Asymmetric Total Synthesis of (−)-Stemonamine and Its Stereochemical Stability
30. Evaluation of Aculeatin and Toddaculin Isolated from Toddalia asiatica as Anti-inflammatory Agents in LPS-Stimulated RAW264 Macrophages
31. Formal total synthesis of histrionicotoxin alkaloids via Hg(OTf)2-catalyzed cycloisomerization and SmI2-induced ring expansion
32. Enantioselective Aza-Friedel–Crafts Reaction of Indoles with Ketimines Catalyzed by Chiral Potassium Binaphthyldisulfonates
33. Enantioselective Cycloaddition of Styrenes with Aldimines Catalyzed by a Chiral Magnesium Potassium Binaphthyldisulfonate Cluster as a Chiral Brønsted Acid Catalyst
34. Total Syntheses of Lepadiformine Marine Alkaloids with Enantiodivergency, Utilizing Hg(OTf) 2 ‐Catalyzed Cycloisomerization Reaction and their Cytotoxic Activities
35. Back Cover: Total Syntheses of Lepadiformine Marine Alkaloids with Enantiodivergency, Utilizing Hg(OTf) 2 ‐Catalyzed Cycloisomerization Reaction and their Cytotoxic Activities (Chem. Eur. J. 40/2017)
36. Synthesis of novel 5,6-dehydrokawain analogs as osteogenic inducers and their action mechanisms
37. Total Synthesis of the Cytotoxic Marine Triterpenoid Isodehydrothyrsiferol Reveals Partial Enantiodivergency in the Thyrsiferol Family of Natural Products
38. Total Synthesis of the Cytotoxic Marine Triterpenoid Isodehydrothyrsiferol Reveals Partial Enantiodivergency in the Thyrsiferol Family of Natural Products
39. 19-Step Total Synthesis of Phorbol Utilizing a Concept of Innovative Strategy “Two-phase Synthesis”
40. Total synthesis of nitropyrrolins A, B, and D
41. Synthesis of fluorescent molecular probes based on cis-cinnamic acid and molecular imaging of lettuce roots
42. 5,6-Dehydrokawain from Alpinia zerumbet promotes osteoblastic MC3T3-E1 cell differentiation
43. Total Synthesis of Natural Antifouling Products
44. Total Synthesis of (−)-Lepadiformine A Utilizing Hg(OTf)2-Catalyzed Cycloisomerization Reaction
45. Total synthesis and complete stereochemical assignment of heronapyrroles A and B
46. (Z)-13-Hexadecenyl Acetate: a Novel Moth Sex Pheromone Component from Herpetogramma submarginale (Lepidoptera: Crambidae)
47. Direct modification of tripeptides using photoinduced decarboxylative radical reactions
48. Formation of Carbanions from Carboxylate Ions Bearing Electron-Withdrawing Groups via Photoinduced Decarboxylation: Addition of Generated Carbanions to Benzaldehyde
49. Biomimetic Total Synthesis of (−)-Neroplofurol and (+)-Ekeberin D4 Triggered by Hydrolysis of Terminal Epoxides
50. ChemInform Abstract: Synthesis of Optically Pure 3,3′-Diaryl Binaphthyl Disulfonic Acids via Stepwise N-S Bond Cleavage.
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