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1.
論文 |
Somei, Masanori ; Yamada, Fumio ; Yamazaki, Yoshihisa ; Shinkura, Akiko
概要:
We developed a novel synthesis of 2-aminoindan derivatives, having a 2-methyl-1-propenyl group at the 1-position and oxygen functional groups in the benzene ring, in 8 or 9 steps from vanillin.
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2.
論文 |
Yamada, Fumio ; Kawanishi, Atsuko ; Tomita, Akiko ; Somei, Masanori
概要:
1-Hydroxy-2,3-dimethylindole (1) has been prepared for the first time. Under atmospheric oxygen, 1 was converted rapidly into 3-hydroxy-2,3-dimethyl- 3H-indole N-oxide (2). The structure was deduced, based on its products obtained
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by the reaction with Ac2O in pyridine and confirmed by X-ray single crystallographic analysis.
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3.
論文 |
Somei, Masanori ; Hayashi, Hiroyuki ; Ohmoto, Shinobu
概要:
金沢大学大学院自然科学研究科生理活性物質科学<br />金沢大学薬学部<br />Indigo was converted to 2,2′-bisindole by the direct reduction with zinc in ace
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tic acid and acetic anhydride under argon or hydrogen atmosphere. Reduction with tin and iron afforded 3-acetoxy-2,2′-bisindole predominantly. Useful building blocks such as 1-acetyl-2,3-dihydro-, 3-acetoxy-3′-acetyl-, and 3-acetoxy-1,3′-diacetyl-2,2′-bisindoles were also produced depending on metal and reaction conditions.
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4.
論文 |
Somei, Masanori ; Kodama, Atsushi
概要:
金沢大学大学院自然科学研究科生理活性物質科学<br />金沢大学薬学部
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5.
論文 |
Yamada, Koji ; Somei, Masanori
概要:
Photoirradiation of 1-ethoxy-2-phenylindole in methanol and the reaction of 1-hydroxy-2-phenylindole with tosyl chloride
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produced 6-ethoxy- and 6-tosyloxy-2-phenylindoles, respectively, as minor products. The latter was derived to 6-ethoxy-2-phenylindole. The structure is determined by direct comparison of the spectral data with those of the authentic 4-, 5-, 6-, and 7-ethoxy-2-phenylindoles whose syntheses are reported in detail. © 2012 The Japan Institute of Heterocyclic Chemistry.
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6.
論文 |
Yamada, Fumio ; Fukui, Yoshikazu ; Iwaki, Takako ; Ogasawara, Sachiko ; Okigawa, Masaki ; Tanaka, Satomi ; Somei, Masanori
概要:
A simple and new method for the preparation of optically active methyl 3a-chloro-, 3a-bromo-, 3a-hydroxy-, and 3a-alkoxy
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-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole-2-carboxylates has been developed. © 2006 The Japan Institute of Heterocyclic Chemistry All rights reserved.
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7.
論文 |
Fukui, Yoshikazu ; Somei, Masanori
概要:
金沢大学大学院自然科学研究科生理活性物質科学<br />金沢大学薬学部<br />3-Substituted (3S,6S)-6-(1-hydroxyindol-3-ylmethyl)-2,5-piperazinediones are pr
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epared for the first time. They are shown to be suitable intermediates for the synthesis of 3,10b-disubstituted (3S,5aR,10bS,11as)-1,3,4,5a,6,10b,11, 11a-octahydro-2H-pyrazino[1',2': 1,5]pyrrolo[2,3-b]indole-1,4-dione derivatives.
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8.
論文 |
Somei, Masanori ; Kobayashi, Tetsuya
概要:
金沢大学大学院自然科学研究科生理活性物質科学<br />金沢大学薬学部
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9.
論文 |
Yamada, Fumio ; Goto, Aya ; Hasegawa, Masakazu ; Kobayashi, Kensuke ; Somei, Masanori ; 山田, 文夫 ; 染井, 正徳
概要:
金沢大学医薬保健研究域薬学系<br />Various nucleophiles, such as indole, 1,2,3-trimethoxybenzene, anisole, phenol, and pyrrole, reacted
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with 1-hydroxy-Nb-trifluoroacetyltryptamine under the presence of mesyl chloride to give novel series of (3a,8acis)- 1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indoles having a substituent at the 3aposition. Their structures and by-products were strictly determined. © 2017 The Japan Institute of Heterocyclic Chemistry.<br />Embargo Period 12 months
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10.
論文 |
Somei, Masanori ; Hayashi, Hiroyuki ; Izumi, Tohru ; Ohmoto, Shinobu
概要:
金沢大学大学院自然科学研究科生理活性物質科学<br />金沢大学薬学部
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