Personal information

Organic Chemistry, Mass Spectrometry
Japan

Activities

Employment (2)

Nagoya University: Nagoya, JP

1997-10 to present | Technical Staff for Analytical Instrument
Employment
Source: Self-asserted source
Kin-ichi Oyama

Chubu University: Kasugai, JP

2016-04-01 to 2020-03-31 | Adjunct Lecturer on Organic Chemistry
Employment
Source: Self-asserted source
Kin-ichi Oyama

Professional activities (1)

The Society of Synthetic Organic Chemistry, Japan: Chiyoda-ku, Tokyo, JP

2007 | Taisho Pharmaceutical Co., Ltd., Award in Synthetic Organic Chemistry Japan
Distinction
Source: Self-asserted source
Kin-ichi Oyama

Works (44)

Radical Intermediates in Photocatalytic Activation of Carboxylic Acids: A Spin Trapping Study

The Journal of Physical Chemistry C
2025-01-09 | Journal article
Contributors: Gunik Lee; Riko Maruyama; Kexin Zou; Haifan Huang; Kin-ichi Oyama; Hisao Yoshida; Jun Kumagai
Source: check_circle
Crossref

Evaluation of CH4 oxidation activity of high-valent iron-oxo species of a μ-nitrido-bridged heterodimer of iron porphycene and iron phthalocyanine

Catalysis Science & Technology
2023 | Journal article
Contributors: Yasuyuki Yamada; Yusuke Miwa; Yuka Toyoda; Quan Manh Phung; Kin-ichi Oyama; Kentaro Tanaka
Source: check_circle
Crossref

Blue flower coloration of <i>Salvia macrophylla</i> by the metalloanthocyanin, protodelphin

Bioscience, Biotechnology, and Biochemistry
2022-09-23 | Journal article
Part of ISSN: 1347-6947
Contributors: Kin-ichi Oyama
Source: Self-asserted source
Kin-ichi Oyama

Intermolecular Copigmentation Between Delphinidin 3-<i>O</i>-Glucoside and Chlorogenic Acid: Taking into Account the Existence of Neutral and Negatively Charged Forms of the Copigment

Journal of Agricultural and Food Chemistry
2022-09-14 | Journal article
Part of ISSN: 0021-8561
Part of ISSN: 1520-5118
Contributors: Kin-ichi Oyama
Source: Self-asserted source
Kin-ichi Oyama

Synthesis and characterization of methoxybenzene-linked polyimides formed by 1,4-addition to bismaleimides

Polymer
2021-11 | Journal article
Part of ISSN: 0032-3861
Source: Self-asserted source
Kin-ichi Oyama

Brønsted acid-catalyzed 1,4-addition of 1,3,5-trimethoxybenzene to maleimides and acrylates

Tetrahedron Letters
2021-06 | Journal article
Contributors: Seanghai Hor; Kin-ichi Oyama; Nobuaki Koga; Masaki Tsukamoto
Source: check_circle
Crossref

Blue flower coloration of Corydalis ambigua requires ferric ion and kaempferol glycoside

Bioscience, Biotechnology, and Biochemistry
2021-01-07 | Journal article
Contributors: Kumi Yoshida; Takeya Oniduka; Kin-ichi Oyama; Tadao Kondo
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Crossref

5,7,3ʹ,4ʹ-Tetrahydroxyflav-2-en-3-ol 3-O-glucoside, a new biosynthetic precursor of cyanidin 3-O-glucoside in the seed coat of black soybean, Glycine max

Scientific Reports
2020-12 | Journal article
Part of ISSN: 2045-2322
Source: Self-asserted source
Kin-ichi Oyama

Determination of absolute configuration of photo‐degraded catechinopyranocyanidin A by modified Mosher's method

Chirality
2020-05 | Journal article
Contributors: Kin‐ichi Oyama; Tadao Kondo; Toshimichi Shimizu; Kumi Yoshida
Source: check_circle
Crossref

Conversion of flavonol glycoside to anthocyanin: an interpretation of the oxidation-reduction relationship of biosynthetic flavonoid-intermediates

RSC Advances
2019 | Journal article
Contributors: Oyama, Kin-ichi; Kimura, Yuki; Iuchi, Satoru; Koga, Nobuaki; Yoshida, Kumi; Kondo, Tadao
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Author Correction: Structure of two purple pigments, catechinopyranocyanidins A and B from the seed-coat of the small red bean, Vigna angularis

Scientific Reports
2019-11-08 | Journal article
Contributors: Kumi Yoshida; Nobukazu Nagai; Yoshiki Ichikawa; Miki Goto; Kohei Kazuma; Kin-ichi Oyama; Kazushi Koga; Masaru Hashimoto; Satoru Iuchi; Yoshiaki Takaya et al.
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Crossref

Synthetic Study on Plant Polyphenol from the Past to the Present: New Synthetic Strategies by Innovative Reactions

KAGAKU TO SEIBUTSU
2019-08-01 | Journal article
Part of ISSN: 0453-073X
Part of ISSN: 1883-6852
Source: Self-asserted source
Kin-ichi Oyama

Structure of two purple pigments, catechinopyranocyanidins A and B from the seed-coat of the small red bean, Vigna angularis

Scientific Reports
2019-02-06 | Journal article
Contributors: Kumi Yoshida; Nobukazu Nagai; Yoshiki Ichikawa; Miki Goto; Kohei Kazuma; Kin-ichi Oyama; Kazushi Koga; Masaru Hashimoto; Satoru Iuchi; Yoshiaki Takaya et al.
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Crossref

Recent application of acidic 1,3-azolium salts as promoters in the solution-phase synthesis of nucleosides and nucleotides

Tetrahedron Letters
2018 | Journal article
Contributors: Tsukamoto, Masaki; Oyama, Kin-ichi
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THE FIRST SYNTHESIS OF 3-O-METHYLCYANIDIN AND THE EFFECT OF 3-O-SUBSTITUTION ON STABILITY UNDER ACIDIC CONDITIONS

Heterocycles
2018 | Journal article
Contributors: El-Meligy, Asmaa B.; Ishihara, Takehiro; Oyama, Kin-ichi; El-Nahas, Ahmed M.; Yoshida, Kumi
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Change of Petals′ Color and Chemical Components in Oenothera Flowers during Senescence

Molecules
2018-07-12 | Journal article
Contributors: Yada Teppabut; Kin-ichi Oyama; Tadao Kondo; Kumi Yoshida
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Crossref
grade
Preferred source (of 2)‎

Direct Observation of Hydrangea Blue-Complex Composed of 3-<i>O</i>-Glucosyldelphinidin, Al<sup>3+</sup> and 5-<i>O</i>-Acylquinic Acid by ESI-Mass Spectrometry

Molecules
2018-06 | Journal article
Source: check_circle
Multidisciplinary Digital Publishing Institute
grade
Preferred source (of 2)‎

A solid-supported acidic oxazolium perchlorate as an easy-handling catalyst for the synthesis of modified pyrimidine nucleosides via Vorbruggen-type N-glycosylation

Tetrahedron Letters
2017 | Journal article
Contributors: Basu, Nabamita; Oyama, Kin-ichi; Tsukamoto, Masaki
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SYNTHESIS OF 2-AROYL-1-METHYL-1H-IMIDAZOLES USING ARYL CARBOXYLIC ACIDS

Heterocycles
2017 | Journal article
Contributors: Oyama, Kin-ichi; Watanabe, Noriyuki; Yoshida, Kumi
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Synthesis of 8-aryl-3,5,7,3 ',4 '-penta-O-methylcyanidins from the corresponding quercetin derivatives by reduction with LiAlH4

Tetrahedron Letters
2017 | Journal article
Contributors: Kimura, Yuki; Oyama, Kin-Ichi; Kondo, Tadao; Yoshida, Kumi
Source: check_circle
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Synthesis of 8-Aryl-O-methylcyanidins and Their Usage for Dye-Sensitized Solar Cell Devices

International Journal of Molecular Sciences
2017 | Journal article
Contributors: Kimura, Yuki; Oyama, Kin-ichi; Murata, Yasujiro; Wakamiya, Atsushi; Yoshida, Kumi
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Unveiling the 6,8-Rearrangement in 8-Phenyl-5,7-dihydroxyflavylium and 8-Methyl-5,7-dihydroxyflavylium through Host-Guest Complexation

European Journal of Organic Chemistry
2017 | Journal article
Contributors: Basilio, Nuno; Lima, Joao Carlos; Cruz, Luis; de Freitas, Victor; Pina, Fernando; Ando, Hiroki; Kimura, Yuki; Oyama, Kin-Ichi; Yoshida, Kumi
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Efficient Preparation of Various O-Methylquercetins by Selective Demethylation

Natural Product Communications
2016 | Journal article
Contributors: Kimura, Yuki; Kato, Ryo; Oyama, Kin-ichi; Kondo, Tadao; Yoshida, Kumi
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Structure of Polyacylated Anthocyanins and Their UV Protective Effect

RECENT ADVANCES IN POLYPHENOL RESEARCH, VOL 5
2016 | Journal article
Contributors: Yoshida, Kumi; Oyama, Kin-ichi; Kondo, Tadao
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Efficient and versatile synthesis of 5-O-acylquinic acids with a direct esterification using a p-methoxybenzyl quinate as a key intermediate

Tetrahedron
2015 | Journal article
Contributors: Oyama, Kin-ichi; Watanabe, Noriyuki; Yamada, Tomomi; Suzuki, Masako; Sekiguchi, Yukiko; Kondo, Tadao; Yoshida, Kumi
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Metal Complex Pigment Involved in the Blue Sepal Color Development of Hydrangea

Journal of Agricultural and Food Chemistry
2015 | Journal article
Contributors: Oyama, Kin-ichi; Yamada, Tomomi; Ito, Daisuke; Kondo, Tadao; Yoshida, Kumi
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Practical synthesis of adenosine 3 ',5 '-cyclic monophosphorodithioate

Tetrahedron Letters
2014 | Journal article
Contributors: Fukuhara, Atsuya; Morita, Hiroki; Oyama, Kin-ichi; Tsukamoto, Masaki
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Chemistry of Flavonoids in Color Development

RECENT ADVANCES IN POLYPHENOL RESEARCH, VOL 3
2012 | Journal article
Contributors: Yoshida, Kumi; Oyama, Kin-ichi; Kondo, Tadao
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Synthesis of 2 '-Modified Cyclic Bis(3 '-5 ')diadenylic Acids (c-di-AMPs) and Their Promotion of Cell Division in a Freshwater Green Alga

Chemistry Letters
2012 | Journal article
Contributors: Tezuka, Takafumi; Suzuki, Noritaka; Ishida, Keigo; Oyama, Kin-ichi; Aoki, Setsuyuki; Tsukamoto, Masaki
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Practical Synthesis of Cyclic Bis(3 '-5 ')diadenylic Acid (c-di-AMP)

Chemistry Letters
2011 | Journal article
Contributors: Suzuki, Noritaka; Oyama, Kin-ichi; Tsukamoto, Masaki
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Recent Progress in the Synthesis of Flavonoids: From Monomers to Supra-Complex Molecules

Current Organic Chemistry
2011 | Journal article
Contributors: Oyama, Kin-ichi; Yoshida, Kumi; Kondo, Tadao
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Anti-inflammatory Activity of N-Naphthoyl D-Alanine in vivo

Bulletin of the Korean Chemical Society
2009 | Journal article
Contributors: Goto, Michimasa; Kataoka, Hiromi; Araya, Yoshie; Kawasaki, Masashi; Oyama, Kin-ichi; Semma, Masanori; Ito, Yoshio; Ichikawa, Atsushi
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Identification and characterization of flavonoids as sialyltransferase inhibitors

Biochemical and Biophysical Research Communications
2009 | Journal article
Contributors: Hidari, Kazuya I. P. J.; Oyama, Kin-ichi; Ito, Go; Nakayama, Miho; Inai, Makoto; Goto, Shiho; Kanai, Yugo; Watanabe, Kei-ichi; Yoshida, Kumi; Furuta, Takumi et al.
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SYNTHESIS OF ORIENTED ANTI-VIRUS 7-O-SUBSTITUTED APIGENINS

Heterocycles
2008 | Journal article
Contributors: Oyama, Kin-ichi; Kondo, Tadao; Yoshida, Kumi
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Synthesis of procyanidins by stepwise- and self-condensation using 3,4-cis-4-acetoxy-3-O-acetyl-4-dehydro-5,7,3 ',4 '-tetra-O-benzyl-(+)-catechin and (-)-epicatechin as a key building monomer

Tetrahedron Letters
2008 | Journal article
Contributors: Oyama, Kin-Ichi; Kuwano, Miyuki; Ito, Mie; Yoshida, Kumi; Kondo, Tadao
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Analysis of benzylation products of (+)-catechin

Heterocycles
2007 | Journal article
Contributors: Nakamura, Saki; Oyama, Kin-Ichi; Kondo, Tadao; Yoshida, Kumi
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Synthesis of pelargonidin 3-O-6 ''-O-acetyl-beta-D-glucopyranoside, an acylated anthocyanin, via the corresponding kaempferol glucoside

Tetrahedron Letters
2007 | Journal article
Contributors: Oyama, Kin-Ichi; Oyama, Kin-Ichi; Kawaguchi, Satoshi; Kawaguchi, Satoshi; Yoshida, Kurni; Yoshida, Kurni; Kondo, Tadao; Kondo, Tadao
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Novel and efficient synthesis of cyanidin 3-O-beta-D-glucoside from (+)-catechin via a flav-3-en-3-ol as a key intermediate

Organic Letters
2006 | Journal article
Contributors: Kondo, Tadao; Oyama, Kin-Ichi; Nakamura, Saki; Yamakawa, Daisuke; Tokuno, Kazunari; Yoshida, Kumi
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Flower color development and nano-science

Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry
2004 | Journal article
Contributors: Yoshida, K; Oyama, KI; Kondo, T
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Total synthesis of apigenin 7,4 '-di-O-beta-glucopyranoside, a component of blue flower pigment of Salvia patens, and seven chiral analogues

Tetrahedron
2004 | Journal article
Contributors: Oyama, K; Kondo, T
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Total synthesis of flavocommelin, a component of the blue supramolecular pigment from Commelina communis, on the basis of direct 6-C-glycosylation of flavan

The Journal of Organic Chemistry
2004 | Journal article
Contributors: Oyama, K; Kondo, T
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A novel and convenient chemoselective deprotection method for both silyl and acetyl groups on acidic hydroxyl groups such as phenol and carboxylic acid by using a nitrogen organic base, 1,1,3,3-tetramethylguanidine

Organic Letters
2003 | Journal article
Contributors: Oyama, KI; Kondo, TD
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Chiral molecular recognition on formation of a metalloanthocyanin: A supramolecular metal complex pigment from blue flowers of Salvia patens

Angewandte Chemie International Edition
2001 | Journal article
Contributors: Kondo, T; Oyama, K; Yoshida, K
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Highly efficient beta-glucosylation of the acidic hydroxyl groups, phenol and carboxylic acid, with an peracetylated glucosyl fluoride using a combination of BF3 center dot Et2O and DTBMP as a promoter

Synlett
1999 | Journal article
Contributors: Oyama, K; Kondo, T
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Peer review (2 reviews for 2 publications/grants)

Review activity for Journal of organic chemistry. (1)
Review activity for PloS one. (1)