BETA -THIOXOESTERS. III. THE SPONTANEOUS INTRAMOLECULAR CYCLIZATION OF TAUTOMERIC DIETHYL THIOACETYLSUCCINATE. PREPARATION AND TAUTOMERISM OF 4-ETHOXYCARBONYL-5-METHYLTHIOPHEN-2(3H)-ONE.DUUS F.1978; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1978; NO 3; PP. 292-295; BIBL. 7 REF.Article

BETA -THIOXO ESTERS. II. EVIDENCE FOR ESTER GROUP ROTAMERISM AND PERTURBATION OF THE INTRAMOLECULAR HYDROGEN-BONDING IN ENETHIOLIZED 2-THIOXO CYCLOALKANECARBOXYLIC ESTERSDUUS F.1974; TETRAHEDRON; G.B.; DA. 1974; VOL. 30; NO 20; PP. 3753-3763; BIBL. 15 REF.Article

A STUDY OF THE TAUTOMERISM OF 2- AND 4-ETHOXYCARBONYLTHIOLAN-3-ONES IMPLICATING STEREOCHEMICAL EFFECTS OF RING-SUBSTITUTIONDUUS F.1981; TETRAHEDRON; ISSN 0040-4020; GBR; DA. 1981; VOL. 37; NO 15; PP. 2633-2640; BIBL. 34 REF.Article

THE ACID CATALYSED REACTION OF 1,4-DIKETONES WITH HYDROGEN SULPHIDE. A CONVENIENT ROUTE TO SUBSTITUTED THIOPHENS.DUUS F.1976; TETRAHEDRON; G.B.; DA. 1976; VOL. 32; NO 22; PP. 2817-2825; BIBL. 43 REF.Article

THE INFLUENCE OF SUBSTITUENTS ON PREPARATION AND TAUTOMERISM OF OPEN-CHAIN BETA -THIOKETOESTERS. STRUCTURE DETERMINATION BY NMR AND IR SPECTROSCOPYDUUS F.1972; TETRAHEDRON; G.B.; DA. 1972; VOL. 28; NO 24; PP. 5923-5947; BIBL. 45 REF.Serial Issue

BETA -THIOXO-KETONES. V: PHOTO-INDUCED ENOL-ENETHIOL INTERCONVERSION OF BETA -THIOXO-KETONESCARLSEN L; DUUS F.1979; J. CHEM. SOC., PERKIN TRANS., 2; GBR; DA. 1979; NO 11; PP. 1532-1534; BIBL. 10 REF.Article

BETA -THIOXOKETONES. I. PREPARATION AND STRUCTURE OF THIOACETYLACETONE.DUUS F; ANTHONSEN JW.1977; ACTA CHEM. SCAND., B; DANEM.; DA. 1977; VOL. 31; NO 1; PP. 40-46; BIBL. 35 REF.Article

Synthesis of β-thioxoketones by t-butyllithium-promoted Claisen condensation reaction of ketones with thionoestersDUUS, F.Synthesis (Stuttgart). 1985, Num 6-7, pp 672-674, issn 0039-7881Article

The enol―enethiol tautomerism of simple nonaromatic β-thioxo ketones: an approach to quantitative description based upon ¹H NMR and UV spectral parameters and the adaptation of these into a simplified model of the tautomeric equilibriumDUUS, F.Journal of the American Chemical Society. 1986, Vol 108, Num 4, pp 630-638, issn 0002-7863Article

FACILE PREPARATION OF DISULFIDES BY PERACID OXIDATION OF BETA -THIOXOKETONES.CARLSEN L; DUUS F.1977; SYNTHESIS; GERM.; DA. 1977; NO 4; PP. 256-258; BIBL. 13 REF.Article

DEFINITIVE EVIDENCE FOR THE EXISTENCE OF THE HYDROGEN-BONDING ENOL FORM OF NON-AROMATIC BETA -THIOXOBETONES. X-RAY CRYSTAL STRUCTURE OF 1-(1-METHYLCYCLOPROPYL)-3-THIOXOBUTAN-1-ONENOERSKOV LAURITSEN L; CARLSEN L; DUUS F et al.1983; JOURNAL OF THE CHEMICAL SOCIETY. CHEMICAL COMMUNICATIONS; ISSN 0022-4936; GBR; DA. 1983; NO 9; PP. 496-498; BIBL. 12 REF.Article

THE ELECTRONIC STRUCTURE OF PROPYL 3-MERCAPTOCROTONATE STUDIED BY PHOTOELECTRON SPECTROSCOPYJORGENSEN FS; CARLSEN L; DUUS F et al.1980; ACTA CHEM. SCAND., SER. B; ISSN 0302-4369; DNK; DA. 1980; VOL. 34; NO 9; PP. 695-696; BIBL. 9 REF.Article

DEUTERIUM ISOTOPE EFFECTS ON ¹³C NUCLEAR SHIELDING AS A MEASURE OF TAUTOMERIC EQUILIBRIAHANSEN PE; DUUS F; SCHMITT P et al.1982; ORG. MAGN. RESON.; ISSN 0030-4921; GBR; DA. 1982; VOL. 18; NO 1; PP. 58-61; BIBL. 22 REF.Article

THE ELECTRONIC STRUCUTRE OF BETA -THIOXOKETONES. A PHOTOELECTRON SPECTROSCOPIC STUDY OF THE ENOL-ENETHIOL TAUTOMERISM OF THIOACETYLACETONE AND RELATED COMPOUNDSJORGENSEN FS; CARLSEN L; DUUS F et al.1981; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1981; VOL. 103; NO 6; PP. 1350-1353; BIBL. 41 REF.Article

X-RAY PHOTOELECTRON SPECTROSCOPIC STUDY OF THE ENOL-ENETHIOL TAUTOMERISM OF THIOACETYLACETONE AND RELATED BETA -THIOXOKETONESJORGENSEN FS; BROWN RS; CARLSEN L et al.1982; JOURNAL OF THE AMERICAN CHEMICAL SOCIETY; ISSN 0002-7863; USA; DA. 1982; VOL. 104; NO 22; PP. 5922-5926; BIBL. 46 REF.Article

β-thioxoketones. IX: A dynamic ¹H nuclear magnetic resonance spectroscopic study of thioacetylacetone and related β-thioxoketones. Direct observation of the enol and enethiol tautomeric constituents and their interconversionBERG, U; SANDSTROM, J; CARLSEN, L et al.Perkin transactions. 2. 1983, Num 9, pp 1321-1325, issn 0300-9580Article

Long-range deuterium isotope effects in tautomeric β-thioxoketones. A ¹H and ¹³C NMR studyHANSEN, P. E; SKIBSTED, U; DUUS, F et al.Journal of physical organic chemistry. 1991, Vol 4, Num 4, pp 225-232, issn 0894-3230, 8 p.Article

Fragmentations of organic negative ions. Mercapto acids and esters. A reinvestigationBOWIE, J. H; STRINGER, M. B; DUUS, F et al.Australian journal of chemistry. 1984, Vol 37, Num 8, pp 1619-1624, issn 0004-9425Article

Structural dynamics of 4-hydroxy-6-mercaptothiopyran-2-thionesLANGGÅRD, M; KRISTENSEN, J. B; DUUS, F et al.Phosphorus, sulfur and silicon and the related elements (Print). 1993, Vol 74, Num 1-4, pp 425-426, issn 1042-6507Conference Paper