SYNTHETIC METHODS AND REACTIONS. LX: IMPROVED ONE-STEP CONVERSION OF ALDEHYDES INTO NITRILES WITH HYDROXYLAMINE IN FORMIC ACID SOLUTIONOLAH GA; KEUMI T.1979; SYNTHESIS; DEU; DA. 1979; NO 2; PP. 112-113; BIBL. 16 REF.Article

SYNTHETIC METHODS AND REACTIONS. LI: A CONVENIENT AND IMPROVED METHOD FOR ESTERIFICATION OVER NAFION H², A SUPERACIDIC PERFLUORINATED RESINSULFONIC ACID CATALYSTSOLAH GA; KEUMI T; MEIDAR D et al.1978; SYNTHESIS; DEU; DA. 1978; NO 12; PP. 929-930; BIBL. 13 REF.Article

ETUDE DU DIBENZOFURANNE ET DE SES DERIVES. XXIII. BENZOYLATION FRIEDEL-CRAFTS DU DIBENZOFURANNEKEUMI T; SHIMAKAWA S; OSHIMA Y et al.1977; NIPPON KAGAKU KAISHI; JAP.; DA. 1977; NO 10; PP. 1518-1523; ABS. ANGL.; BIBL. 26 REF.Article

N-ACYLIMIDAZOLES-TRIFLUOROACETIC ACID SYSTEM AS THE ACYLATING AGENT FOR AROMATIC HYDROCARBONSKEUMI T; SAGA H; KITAJIMA H et al.1980; BULL. CHEM. SOC. JAP.; JPN; DA. 1980; VOL. 53; NO 6; PP. 1638-1641; BIBL. 27 REF.Article

OXYFUNCTIONALIZATION OF HYDROCARBONS. X: HYDROXYLATION OF BENZENE AND ALKYLBENZENES WITH 30% HYDROGEN PEROXIDE IN PYRIDINIUM POLYHYDROGEN FLUORIDEOLAH GA; KEUMI T; FUNG AP et al.1979; SYNTHESIS; DEU; DA. 1979; VOL. 7; PP. 536-537; BIBL. 10 REF.Article

ORIENTATION DE L'ACYLATION FRIEDEL-CRAFTS DU METHOXY-2 DIBENZOFURANNEKEUMI T; YAMADA S; OSHIMA Y et al.1972; NYPPON KAGAKU KAISHI; JAP.; DA. 1972; NO 8; PP. 1438-1441; ABS. ANGL.; BIBL.Serial Issue

OXYFUNCTIONALIZATION OF HYDROCARBONS. XI: HYDROXYLATION OF BENZENE AND ALKYLBENZENES WITH HYDROGEN PEROXIDE IN HYDROGEN FLUORIDE/BORON TRIFLUORIDEOLAH GA; FUNG AP; KEUMI T et al.1981; J. ORG. CHEM.; ISSN 0022-3263; USA; DA. 1981; VOL. 46; NO 21; PP. 4305-4306; BIBL. 9 REF.Article

SYNTHESE ET PROPRIETES DES HYDRAZINO-S-TRIAZINES. * 2.3. SYNTHESE DE LA TRIHYDRAZINO-2,4,6-S-TRIAZINEHONDA I; KEUMI T; SHIMOMURA Y et al.1975; ; S.L.; DA. 1975; DU JAP.: KOGYO KAGAKU ZASSHI, 1969; 72, NO 2, 594Miscellaneous

2-ACYLOXYPYRIDINE/TRIFLUOROACETIC ACID SYSTEM AS AN ACYLATING AGENT FOR ARENESKEUMI T; TANIGUCHI R; KITAJIMA H et al.1980; SYNTHESIS; DEU; DA. 1980; NO 2; PP. 139-141; BIBL. 18 REF.Article

STERIC INTERACTION BETWEEN THE 1-METHYL AND 9-HYDROGEN OF 1,2,3,4-TETRAMETHYLDIBENZOFURANKEUMI T; OSHIMA Y; TOKURA N et al.1975; BULL. CHEM. SOC. JAP.; JAP.; DA. 1975; VOL. 48; NO 3; PP. 1065-1066; BIBL. 6 REF.Article

ORIENTATION DANS L'ACYLATION FRIEDEL-CRAFTS DU METHOXY-3 DIBENZOFURANNEKEUMI T; TAKIMI N; OSHIMA Y et al.1972; NIPPON KAGAKU KAISHI; JAP.; DA. 1972; NO 9; PP. 1756-1758; ABS. ANGL.; BIBL. 10 REF.Serial Issue

PROPRIETES DES ELECTRONS 2P DE L'OXYGENE DU DIBENZOFURANNE (PART 2). EFFET DE SUBSTITUANTS, SUR LES SPECTRES ELECTRONIQUES DU FLUORENE ET DE L'N-METHYLCARBAZOLEKEUMI T; MICHINAGA N; OSHIMA Y et al.1974; NIPPON KAGAKU KAISHI; JAP.; DA. 1974; NO 12; PP. 2243-2245; ABS. ANGL.; BIBL. 6 REF.Article

ETUDE DES DERIVES DU DIBENZOFURANNE. XVIII. ORIENTATION DE LA BENZOYLATION FRIEDEL-CRAFTS DES METHYL-2 ET -3 DIBENZOFURANNESKEUMI T; HASHIO H; MAEGAWA Y et al.1974; NIPPON KAGAKU KAISHI; JAP.; DA. 1974; VOL. 8; NO 9; PP. 1708-1711; ABS. ANGL.; BIBL. 9 REF.Article

N-TRIFLUOROACETYLIMIDAZOLES AS A REAGENT FOR CONVERTING ALDOXIMES INTO NITRILES UNDER MILD CONDITIONSKEUMI T; YAMAMOTO T; SAGA H et al.1981; BULL. CHEM. SOC. JPN.; ISSN 0009-2673; JPN; DA. 1981; VOL. 54; NO 5; PP. 1579-1580; BIBL. 12 REF.Article

SYNTHESE DE P-NITROPHENYLAZO S-TRIAZINESINOUE Y; UEJIMA K; INOUYE S et al.1978; J. SYNTHET. ORG. CHEM. JAP.; JPN; DA. 1978; VOL. 36; NO 9; PP. 779-783; ABS. ENG; BIBL. 8 REF.Article

A FACILE SYNTHESIS OF THE UNSYMMETRICALLY METHYL-SUBSTITUTED 2-HYDROXYBIPHENYLS BY THE REGIOSELECTIVE CLEAVAGE OF DIBENZOFURAN DERIVATIVES WITH LITHIUM METALKEUMI T; MURATA C; SASAKI Y et al.1980; SYNTHESIS; DEU; DA. 1980; NO 8; PP. 634-635; BIBL. 7 REF.Article

APPLICATION OF 2-TRIFLUOROMETHANESULFONYLOXYPYRIDINE IN TRIFLUOROACETIC ACID TO ACYLATION OF AROMATICS.KEUMI T; SAGA H; TANIGUCHI R et al.1977; CHEM. LETTERS; JAP.; DA. 1977; NO 9; PP. 1099-1102; BIBL. 3 REF.Article

REGIOSELECTIVE PREPARATION OF 2- AND 3-NITRODIBENZOFURANS BY THE DIRECT NITRATION OF DIBENZOFURANKEUMI T; YAMADA H; TAKAHASHI H et al.1982; BULL. CHEM. SOC. JPN.; ISSN 0009-2673; JPN; DA. 1982; VOL. 55; NO 2; PP. 629-630; BIBL. 9 REF.Article

PROPRIETES DES ELECTRONS -2P DU DIBENZOFURANNE. I. SPECTRE ELECTRONIQUE DU DIBENZOFURANNEKEUMI T; HONDA M; KONDO M et al.1974; NIPPON KAGAKU, KAISHI; JAP.; DA. 1974; NO 11; PP. 2025-2030; ABS. ANGL.; BIBL. 17 REF.Article

2-(Trifluoromethylsulfonyloxy)pyridine as a reagent for the ketone synthesis from carboxylic acids and aromatic hydrocarbonsKEUMI, T; YOSHIMURA, K; SHIMADA, M et al.Bulletin of the Chemical Society of Japan. 1988, Vol 61, Num 2, pp 455-459, issn 0009-2673Article

2-(Trifluoroacetyloxy)pyridine as a mild trifluoroacetylating reagent of amines and alcoholsKEUMI, T; SHIMADA, M; MORITA, T et al.Bulletin of the Chemical Society of Japan. 1990, Vol 63, Num 8, pp 2252-2256, issn 0009-2673, 5 p.Article

The decomposition of arenediazonium tetrafluoroborates with halo- and azidotrimethylsilanes in nonaqueous solventsKEUMI, T; UMEDA, T; INOUE, Y et al.Bulletin of the Chemical Society of Japan. 1989, Vol 62, Num 1, pp 89-95, issn 0009-2673, 7 p.Article

A convenient trifluorocetylation of arenes with 2-(trifluoacetoxy)pyridineKEUMI, T; SHIMADA, M; TAKAHASHI, M et al.Chemistry Letters. 1990, Num 5, pp 783-786, issn 0366-7022, 4 p.Article

SYNTHESES OF PHENYLAZO-1,3,5-TRIAZINES BY THE OXIDATIVE COUPLING OF HYDRAZINO-1,3,5-TRIAZINES WITH N,N-DISUBSTITUTED ANILINESINOUE Y; KAMO Y; TOGO M et al.1981; CHEM. LETT.; ISSN 0366-7022; JPN; DA. 1981; NO 12; PP. 1733-1736; BIBL. 8 REF.Article

The triflic acid-catalysed deacylation and decarboxylation of polymethylbenzenecarbonyl derivatives under mild conditionsKEUMI, T; MORITA, T; OZAWA, Y et al.Bulletin of the Chemical Society of Japan. 1989, Vol 62, Num 2, pp 599-601, issn 0009-2673, 3 p.Article