Zobrazeno 1 - 10 of 82 pro vyhledávání: '"Yojiro, Tsuzuki"'
2
Studies of Saturated Heterocyclic Compounds. II. The Preparation and PMR Spectroscopic Study of Mono- and Di-substituted-1,3-dioxolan-4-ones
Autor: Yojiro Tsuzuki, Shoji Takitani, Yoshihiro Asabe
Publikováno v: Bulletin of the Chemical Society of Japan. 48:966-970
The relationship of the configurations and the magnitude of the long-range spin coupling constants between the 2-H and 5-H, J2,5, of 1,3-dioxolan-4-ones has been elucidated, the J2,5(trans) value being always larger than the J2,5(cis) value. Geometri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::278392f6aa94245ed4f5b1c9160b631e
https://doi.org/10.1246/bcsj.48.966
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5
On the Determination of Boron in Organoboron Compounds
Autor: Keiko Kimura, Yojiro Tsuzuki, Seiji Kato
Publikováno v: Nippon kagaku zassi. 83:1039-1041,A67
有機ホウ素化合物を4種の異なる酸化方法,すなわち,(I)Na2O2を用いる方法,(II)アルカリ性H2O2(III)CF3OOOH(IV)アルカリ性K2S2O8,で酸化してホウ酸を生成させ,マンニットの存在のもとでρHメーター
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2632ce634f5999159b84b719e7acf57
https://doi.org/10.1246/nikkashi1948.83.9_1039
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7
Organoboron Compounds. I. On the Reaction ofn-Butylboronic Acid with Polyvinylalcohol
Autor: Shigenobu Kitajima, Yojiro Tsuzuki, Seiji Kato
Publikováno v: Bulletin of the Chemical Society of Japan. 34:1107-1110
It has been shown that PVA is partially esterified with n-butylboronic acid, giving products of the form of PVA (Remark: Graphics omitted.)B-n-Bu.The esterification grade, Eg, of the products is estimated from the boron content. Eg increases with the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2ecb95a520c84807111a584f4b7f703
https://doi.org/10.1246/bcsj.34.1107
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8
Intramolecular Hydrogen Bonds. XIII. The Preferable Conformation of α-Hydroxy-carboxylic ando-Hydroxybenzoic Acids
Autor: Yuzuru Asano, Nobuo Mori, Toshiko Irie, Yojiro Tsuzuki
Publikováno v: Bulletin of the Chemical Society of Japan. 42:482-487
The infrared hydroxyl and carbonyl stretching absorption spectra of salicylic, mandelic, and α-hydroxyisobutyric acids have been measured in dilute carbon tetrachloride solutions. The spectral data indicate that the first two acids exist exclusively
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b6552d4c7e92b82207d02209a35ae356
https://doi.org/10.1246/bcsj.42.482
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9
Considerations on the Nuclear Magnetic Resonance Spectra of Some Anomeric Tetra-O-acetyl-D-glucopyranosides
Autor: Katsumi Tanaka, Yojiro Tsuzuki
Publikováno v: Bulletin of the Chemical Society of Japan. 40:1208-1211
We have measured the nuclear magnetic resonance spectra (NMR) of some anomers of aryl 2,3,4,6-tetra-O-acetyl-D-glucopyranosides and found that the signal of the anomeric proton in the α-anomers could be separated from the signals due to the other pr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29fd036fbad3c7ef46ebe0a563662d4a
https://doi.org/10.1246/bcsj.40.1208
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10
The Rotatory Dispersion and Stereochemistry of Organic Compounds. XIV. Nitrobenzylidene Derivatives of Diethyld-Tartrate
Autor: Koko Tanabe, Motoo Koyama, Yojiro Tsuzuki
Publikováno v: Bulletin of the Chemical Society of Japan. 41:1008-1013
Anomalous optical rotation has been observed not only with the ortho-nitrobenzylidene derivative of diethyl d-tartrate (Tsuzuki, Bull. Chem. Soc. Japan, 14, 35 (1939); Sci. Pap. I. P. C. Res. (Tokyo), 35, 425, 466 (1939)), but also with some acetylat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6631d76d9d9488f9823581473c7ef236
https://doi.org/10.1246/bcsj.41.1008
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