- Makita, M.; Nihei, K.* Total synthesis of nepodin and torachrysone glucosides: Evidence for naturally occurring L-glucosides. Tetrahedron Lett. 2024, 146, 155191.
- Shimakage, R.; Iwadate, T.; Nihei, K.* A natural diphenolic glucoside, sonnerphenolic C: Chemical synthesis, structural revision, redox transformation, and identification as an antioxidant. Tetrahedron 2024, 158, 134001.
- Horio, K.; Nihei, K.* Total synthesis of (-)-ribesin B and its structural revision. Tetrahedron Lett. 2023, 114, 154285.
- Ishioka, W.; Nihei, K.* Chemical synthesis and tyrosinase inhibitory activity of resorcinol alkyl glucosides, hydroxyalkyl resorcinols, and alkyl resorcinols. J. Mol. Struct. 2022, 1268, 133668.
- Shimakage, R.; Nihei, K.* Synthesis, structural revision, and tyrosinase inhibitory activity of proposed phloretin-4-O-β-D-glucopyranoside from Homalium stenophyllum. Nat. Prod. Res. 2022, 36, 1803-1811.
- Nihei, K.; Peigneur, S.; Tytgat, J.; Lange, A.B.; Konno, K.* Isolation and characterization of FMRFamide-like peptides in the venoms of solitary sphecid wasps. Peptides 2021, 142, 170575.
- Matsumoto, T.; Harima, S.; Weng, J.; Nihei, K.* Systematic approach to the chemical synthesis of arabidopyrones, the unique α-pyrones of Arabidopsis metabolites. Synth. Commun. 2020, 50, 2981-2987.
- Nihei, K.*; Kubo, I. Tyrosinase inhibition by 4-substituted benzaldehydes with electron-withdrawing groups. Appl. Biochem. Biotechnol. 2020, 191, 1711-1716.
- Asebi, N.; Nihei, K.* Total synthesis of apios isoflavones and investigation of their tyrosinase inhibitory activity. Tetrahedron 2019, 75, 130589.
- Nihei, K.*; Kubo, I. Benzonitriles as tyrosinase inhibitors with hyperbolic inhibition manner. Int. J. Biol. Macromol. 2019, 133, 929-932.
- Ishioka, W.; Oonuki, S.; Iwadate, T.; Nihei, K.* Resorcinol alkyl glucosides as potent tyrosinase inhibitors. Bioorg. Med. Chem. Lett. 2019, 29, 313-316.
- Tanaka, Y.; Suzuki, M.; Kodachi, Y.; Nihei, K.* Molecular design of potent, hydrophilic tyrosinase inhibitors based on the natural dihydrooxyresveratrol skeleton. Carbohydr. Res. 2019, 472, 42-49.
- Matsumoto, T.; Nakajima, T.; Iwadate, T.; Nihei, K.* Chemical synthesis and tyrosinase-inhibitory activity of isotachioside and its related glycosides. Carbohydr. Res. 2018, 465, 22-28.
- Iwadate, T.; Nihei, K.* Chemical synthesis, redox transformation, and identification of sonnerphenolic C, an antioxidant in Acer nikoense. Bioorg. Med. Chem. Lett. 2017, 27, 1799-1802.
- Nihei, K.*; Kubo, I. Substituent effect of benzaldehydes on tyrosinase inhibition. Plant Physiol. Biochem. 2017, 112, 278-282.
- Oode, C.; Shimada, W.; Yokota, M.; Yamada, Y.; Nihei, K.* Dihydroresveratrol cellobioside and xylobioside as effective melanogenesis activators. Carbohydr. Res. 2016, 436, 45-49.
- Iwadate, T.; Nihei, K.* Rhododendrol glycosides as stereospecific tyrosinase inhibitors. Bioorg. Med. Chem. 2015, 23, 6650-6658.
- Oode, C.; Shimada, W.; Izutsu, Y.; Yokota, M.; Iwadate, T.; Nihei, K.* Synthesis of dihydroresveratrol glycosides and evaluation of their activity against melanogenesis in B16F0 melanoma cells. Eur. J. Med. Chem. 2014, 87, 862-867.
- Kamatani, J.; Iwadate, T.; Tajima, R.; Kimoto, H.; Yamada, Y.; Masuoka, N.; Kubo, I.; Nihei, K.* Stereochemical investigation and total synthesis of inuloidin, a biologically active sesquiterpenoid from Heterotheca inuloides. Tetrahedron 2014, 70, 3141-3145.
- Iwadate, T.; Kashiwakura, Y.; Masuoka, N.; Yamada, Y.; Nihei, K.* Chemical synthesis and tyrosinase inhibitory activity of rhododendrol glycosides. Bioorg. Med. Chem. Lett. 2014, 24, 122-125.
- Tajima, R.; Oozeki, H.; Muraoka, S.; Tanaka, S.; Motegi, Y.; Nihei, H.; Yamada, Y.; Masuoka, N.; Nihei, K.* Synthesis and evaluation of bibenzyl glycosides as potent tyrosinase inhibitors. Eur. J. Med. Chem. 2011, 46, 1374-1381.
- Oozeki, H.; Tajima, R.; Nihei, K.* Molecular design of potent tyrosinase inhibitors having the bibenzyl skeleton. Bioorg. Med. Chem. Lett. 2008, 18, 5252-5254.
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