Search Results - "Okada, Mamiko"

The Ring Transformation of 1, 2, 3-Triazines by ITOH, Takashi, OKADA, Mamiko, NAGATA, Kazuhiro, YAMAGUCHI, Kentaro, OHSAWA, Akio

“…Monocyclic 1, 2, 3-triazines reacted with electron rich dienophiles to give pyridines and pyridazines. 4, 6-Disubstituted 1, 2, 3-triazine was denitrogenated…”
Get full text

The Reactions of 2-Methyl-1, 2, 3-triazinium Iodides and Related Compounds by ITOH, Takashi, NAGATA, Kazuhiro, OKADA, Mamiko, OHSAWA, Akio

“…The 2-methyl-1, 2, 3-triazinium iodides 2 reacted with various nucleophiles to give the corresponding 2, 5-dihydro-adducts. When 2 was treated with potassium…”
Get full text

Electrooxidation of N-Aminopyrazoles by ITOH, Takashi, NAGATA, Kazuhiro, OKADA, Mamiko, OHSAWA, Akio

“…N-Aminopyrazoles were oxidized by electrolysis in CH3CN to give 1, 2, 3-triazines and pyrazoles. The ratio of triazine formation increased when pyridine or H2O…”
Get full text

Reactions of N-Aminopyrazoles with Halogenating Reagents and Synthesis of 1, 2, 3-Triazines by OHSAWA, AKIO, KAIHOH, TERUMITSU, ITOH, TAKASHI, OKADA, MAMIKO, KAWABATA, CHIKAKO, YAMAGUCHI, KENTARO, IGETA, HIROSHI

“…Reactions of N-aminopyrazoles with halogenating reagents (Cl2, Br2, I2, BrCl, ICl, IBr, N-chlorosuccinimide, and N-bromosuccinimide) were examined. Some of…”
Get full text

A FACILE SYNTHESIS OF HALO-1, 2, 3-TRIAZINES by Kaihoh, Terumitsu, Itoh, Takashi, Ohsawa, Akio, Okada, Mamiko, Kawabata, Chikako, Igeta, Hiroshi

“…Halo-1, 2, 3-triazines (1 and 3) were synthesized by treating 1-aminopyrazoles (2) with chlorine and bromine, without isolating intermediary triazines or…”
Get full text

The aromatization of Hantzsch dihydropyridines with nitric oxide (NO) by Itoh, Takashi, Nagata, Kazuhiro, Okada, Mamiko, Ohsawa, Akio

“…Hantzsch dihydropyridines were readily oxidized by nitric oxide to give corresponding pyridines in quantitative yields. This reaction system required no…”
Get full text

Breastfeeding experiences of Japanese women living in Perth, Australia by Utaka, Hideko, Li, Lin, Kagawa, Masaharu, Okada, Mamiko, Hiramatsu, Naoko, Binns, Colin

“…The aim of this study was to document the breastfeeding practices of Japanese-Australian mothers living in Perth. A cross-sectional survey of mothers who had…”
Get more information

The reaction of benzimidazolium derivatives with superoxide by Nagata, Kazuhiro, Itoh, Takashi, Okada, Mamiko, Ohsawa, Akio

“…1-Ethoxycarbonyl-3-methylbenzimidazolium salts, which have an electron deficient imidazolium ring and a carbamate moiety, were allowed to react with superoxide…”
Get full text

Vicarious nucleophilic substitution of 1,2,3-triazines by ITOH, T, NAGATA, K, OKADA, M, OHSAWA, A

Get full text

Thermolysis of 1,2,3-triazines by ITOH, T, OKADA, M, NAGATA, K, OHSAWA, A

Get full text

Oxidation of 1-aminopyrazoles and synthesis of 1,2,3-triazines by Ohsawa, Akio, Arai, Heihachiro, Ohnishi, Hidefumi, Itoh, Takashi, Kaihoh, Terumitsu, Okada, Mamiko, Igeta, Hiroshi

Get full text

Reaction of Six-Membered Azaaromatics with Allyltributyltin by ITOH, Takashi, HASEGAWA, Hiroshi, NAGATA, Kazuhiro, MATSUYA, Yuji, OKADA, Mamiko, OHSAWA, Akio

“…Pyridazines were reacted with allyltributyltin in the presence of chloroformate to give 1-alkoxycarbonyl-6-allyl and 1-alkoxycarbonyl-4-allyldihydropyridazines…”
Get full text

Radical nucleophilic carbamoylation of 1,2,3-triazine derivatives by NAGATA, K, ITOH, T, OKADA, M, TAKAHASHI, H, OHSAWA, A

Get full text

Radical carbamoylation of 1,2,3-triazinium 2-dicyanomethylides by NAGATA, K, ITOH, T, OKADA, M, TAKAHASHI, H, OHSAWA, A

Get full text

Vicarious Nucleophilic Substitution of Pyridines and 1, 2, 3-Triazines via Their Dicyanomethylide Derivatives by NAGATA, Kazuhiro, ITOH, Takashi, OKADA, Mamiko, OHSAWA, Akio

“…Vicarious nucleophilic substitution using chloromethyl phenyl sulfone was applied to pyridinium and 1, 2, 3-triazinium dicyanomethylides to afford…”
Get full text

THE SYNTHESIS OF 5-SUBSTITUTED 1, 2, 3, -TRIAZINES WITH KETENE SILYL ACETALS AND CERIC AMMONIUM NITRATE by ITOH, Takashi, MATSUYA, Yuji, HASEGAWA, Hiroshi, NAGATA, Kazuhiro, OKADA, Mamiko, OHSAWA, Akio

“…Monocyclic 1, 2, 3-triazines were reacted with ketene silyl acetal or silyl enol ether in the presence of 1-chloroethyl chloroformate to give 5-substituted…”
Get full text

VICARIOUS NUCLEOPHILIC SUBSTITUTION OF PYRIDINES VIA THEIR DICYANOMETHYLIDE DERIVATIVES by ITOH, Takashi, NAGATA, Kazuhiro, OKADA, Mamiko, OHSAWA, Akio

“…Vicarious nucleophilic substitution of pyridinium 1-dicyanomethylides with 1-chloromethyl phenyl sulfone gave corresponding 4-substituted derivatives. The…”
Get full text

THE REACTION OF 1-ETHOXYCARBONYL-3-METHYLBENZIMIDAZOLIUM SALTS WITH ELECTROGENERATED AND POTASSIUM SUPEROXIDE by ITOH, Takashi, NAGATA, Kazuhiro, OKADA, Mamiko, OHSAWA, Akio

“…1-Ethoxycarbonyl-3-methylbenzimidazolium salts, which have two possible reactive sites toward superoxide, were allowed to react with KO2 and electrogenerated…”
Get full text

The reactivity of monocyclic 1,2,3-triazine by ITOH, T, NAGATA, K, LITAKA, Y, KAIHOH, T, OKADA, M, KAWABATA, C, ARAI, H, OHNISHI, H, YAMAGUCHI, K, IGETA, H, OHSAWA, A

Get full text

REACTION OF 1, 2, 3-TRIAZINE WITH DIENOPHILES by Itoh, Takashi, Ohsawa, Akio, Okada, Mamiko, Kaihoh, Terumitsu, Igeta, Hiroshi

“…Reactions of 4, 6-dimethyl-1, 2, 3-triazine with electron rich acetylenes and acetylene equivalents at 180°C gave the mixtures of 2, 4-and 2,…”
Get full text