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Heating of crystal violet lactone (CVL) (1a) and its analogs with hydrazine hydrate afforded a single product in each case, to which the 4, 4-diaryl-3, 4-dihydro-1 (2H)-phthalazinone structure (2)… (More)
Intramolecular cycloaddition of azaquinonoid-ketene (4) generated from benzotriazinone derivative to N, N-dimethylanilino group afforded "unrearranged" acridone in sharp contrast to a carbon analog… (More)
1… (More)
The preparation and physicochemical properties of a novel six-membered α-monocarbonyl azo-compound are reported. Low-temperature oxidation of 4,4-diaryl-3,4-dihydrophthalazin-1(2H)-ones (2) with lead… (More)
Abstract The i.r. and Raman spectra of methanesulfonyl chloride and methanesulfonyl chloride- d 3 have been recorded in the liquid state, and consistent assignments of the fundamental frequencies of… (More)
- 葛谷 昌之, 三宅 二三夫, +6 authors Takachiyo Okuda
- 1985
- 葛谷 昌之, 安立 道弘, +9 authors Takachiyo Okuda
- 1984
- 葛谷 昌之, 臼居 保, +15 authors Takachiyo Okuda
- 1982
A solution of dichloroethane containing crystal violet hydrazide (CVH) underwent a rapid photolytic coloration upon ultraviolet (UV) irradiation. When 5% ethanol-dichloroethane was used as a solvent,… (More)