Synthesis and Catalytic Properties of 4-Aryl-2,3-dihydro-4H-pyrimido[2,3-b]benzothiazoles for Asymmetric Acyl or Carboxyl Group Transfer Reactions
Viswambharan, Baby, Okimura, Tatsuya, Suzuki, Satoko, Okamoto, Sentaro
Published in Journal of organic chemistry (19.08.2011)
Published in Journal of organic chemistry (19.08.2011)
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Cobalt-Catalyzed Cross Addition of Silylacetylenes to Internal Alkynes
Sakurada, Tetsuya, Sugiyama, Yu-ki, Okamoto, Sentaro
Published in Journal of organic chemistry (19.04.2013)
Published in Journal of organic chemistry (19.04.2013)
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Low-valent titanium-catalyzed deprotection of allyl- and propargyl-carbamates to amines
Madhavan, Suchithra, Takagi, Hiromasa, Fukuda, Shunpei, Okamoto, Sentaro
Published in Tetrahedron letters (11.05.2016)
Published in Tetrahedron letters (11.05.2016)
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Grignard allylic substitution reaction catalyzed by 1,2,3-triazol-5-ylidene magnesium complexes
Nomura, Ryosuke, Tsuchiya, Yuji, Ishikawa, Hiroyuki, Okamoto, Sentaro
Published in Tetrahedron letters (13.03.2013)
Published in Tetrahedron letters (13.03.2013)
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Copper-catalyzed intramolecular hydroamination of allenylamines to 3-pyrrolines or 2-alkenylpyrrolidines
Tsuhako, Akiko, Oikawa, Daisuke, Sakai, Kazushi, Okamoto, Sentaro
Published in Tetrahedron letters (10.11.2008)
Published in Tetrahedron letters (10.11.2008)
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Chain-Growth Cycloaddition Polymerization via a Catalytic Alkyne [2 + 2 + 2] Cyclotrimerization Reaction and Its Application to One-Shot Spontaneous Block Copolymerization
Sugiyama, Yu-ki, Kato, Rei, Sakurada, Tetsuya, Okamoto, Sentaro
Published in Journal of the American Chemical Society (29.06.2011)
Published in Journal of the American Chemical Society (29.06.2011)
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Iron-catalyzed intramolecular cyclotrimerization of triynes to annulated benzenes
Saino, Naoko, Kogure, Daisuke, Kase, Kouki, Okamoto, Sentaro
Published in Journal of organometallic chemistry (01.07.2006)
Published in Journal of organometallic chemistry (01.07.2006)
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Journal Article
A Highly Practical Instant Catalyst for Cyclotrimerization of Alkynes to Substituted Benzenes
Saino, Naoko, Amemiya, Fumihiro, Tanabe, Emi, Kase, Kouki, Okamoto, Sentaro
Published in Organic letters (30.03.2006)
Published in Organic letters (30.03.2006)
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Simple and practical method for selective acylation of primary hydroxy group catalyzed by N-methyl-2-phenylimidazole (Ph-NMI) or 2-phenylimidazo[2,1-b]benzothiazoles (Ph-IBT)
Ibe, Kouta, Hasegawa, Yu-suke, Shibuno, Misuzu, Shishido, Tsukasa, Sakai, Yuzo, Kosaki, Yu, Susa, Keisuke, Okamoto, Sentaro
Published in Tetrahedron letters (17.12.2014)
Published in Tetrahedron letters (17.12.2014)
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Structure–activity relationship of dihydroimidazo-, dihydropyrimido, tetrahydrodiazepino-[2,1-b]-thiazoles, and -benzothiazoles as an acylation catalyst
Okamoto, Sentaro, Sakai, Yuzo, Watanabe, Saki, Nishi, Shohei, Yoneyama, Aya, Katsumata, Hitomi, Kosaki, Yu, Sato, Rumi, Shiratori, Megumi, Shibuno, Misuzu, Shishido, Tsukasa
Published in Tetrahedron letters (12.03.2014)
Published in Tetrahedron letters (12.03.2014)
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