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1,5-Bis(4-hydroxy-3-methoxyphenyl)-1,4-pentadiene-3-one (2) was isolated from Curcuma domestica as a curcumin (1)-related compound, which we named C5-curcumin. Intrigued by the potent antitumor activity of C5-curcumin (2)-related 1,5-bisaryl-1,4-pentadiene-3-ones [bis(arylmethylidene)acetones, termed C5-curcuminoids], we previously conducted a… (More)
We have developed a fluorogenic NAD(P)(+) detection method using 2-acetylbenzofuran. The reaction of NAD(P)(+) with 2-acetylbenzofuran produced a fluorescent product, allowing the highly-sensitive and quick detection of NAD(P)(+). This method was successfully applied to the detection of P450 substrates in the microtiter-plate format.
We have developed two syntheses of vicenistatin and its analogues. Our first-generation strategy included the rapid and sequential assembly of the macrocyclic lactam by using an intermolecular Horner-Wadsworth-Emmons reaction between the C3-C13 fragment and the C1-C2, C14-C19 fragment, followed by an intramolecular Stille coupling reaction. The… (More)