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Yasushi Sanno
Researcher at Takeda Pharmaceutical Company
Publications - 63
Citations - 896
Yasushi Sanno is an academic researcher from Takeda Pharmaceutical Company. The author has contributed to research in topics: Ring (chemistry) & Benzopyran. The author has an hindex of 13, co-authored 63 publications receiving 846 citations.
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Studies on antianaphylactic agents—III
TL;DR: By the application of the Vilsmeier-Haack reaction to various o-hydroxyacetophenone derivatives, 4-oxo-4H-1-benzopyran-3-carboxaldehydes were synthesized in one step as discussed by the authors.
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Studies on antianaphylactic agents. 5. Synthesis of 3-(1H-tetrazol-5-yl)chromones, a new series of antiallergic substances.
TL;DR: A number of 3-(1H-tetrazol-5-yl)chromones were synthesized and found to have antiallergic activity in the rat passive cutaneous anaphylaxis (PCA) test and are of possible value for the treatment of asthma.
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A facile synthesis of chromone-3-carboxaldehyde, chromone-3-carboxylic acid and 3-hydroxymethylchromone☆
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Studies on antianaphylactic agents. 7. Synthesis of antiallergic 5-oxo-5H-[1]benzopyrano[2,3-b]pyridines.
Akira Nohara,Toshihiro Ishiguro,Kiyoshi Ukawa,Hirosada Sugihara,Yoshitaka Maki,Yasushi Sanno +5 more
TL;DR: Compounds bearing an alkyl group, especially an isopropyl group at the 7-position, were superior in activity to the corresponding unsubstituted compounds.
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Chemical studies on Heliangine
TL;DR: The structure of heliangine has been found to be I on the basis of its chemical studies as discussed by the authors, and it has been shown that the structure is I-correlated.