Items where Author is "Mahadevappa, D. S."

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Article

Ramachandra, H. and Rangappa, K. S. and Mahadevappa, D. S. and Jagadeesha, M. B. (1999) Mechanistic investigations of the oxidation of indoles with bromamine-T in alkaline medium catalyzed by Os(VIII). Oxidation communications, 22 (2). pp. 248-258. ISSN 0209-4541

Raghavendra, M. P. and Rangappa, K. S. and Mahadevappa, D. S. and Chenne Gowda, D. (1998) Oxidation of erythrose series sugars by sodium N-chlorobenzenesulphonamide in alkaline medium: A kinetic study. Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry, 37 (8). pp. 783-792.

Rangappa, K. S. and Raghavendra, M. P. and Mahadevappa, D. S. and Chenne Gowda, D. (1998) Kinetics and mechanism of oxidation of erythro-series pentoses and hexoses by N-chloro-p-toluenesulfonamide. Carbohydrate Research, 306 (1-2). pp. 57-67.

Rangappa, K. S. and Raghavendra, M. P. and Mahadevappa, D. S. and Rai, K. M. Lokanatha and Chenne Gowda, D. (1998) Oxidation of methylpentoses by sodium N-chlorobenzene sulphonamide in alkaline medium: A kinetic and mechanistic study. Proceedings of the Indian Academy of Sciences - Chemical Sciences, 110 (1). pp. 53-64.

Rangappa, K. S. and Raghavendra, M. P. and Mahadevappa, D. S. and Channegowda, D. (1998) Sodium N-chlorobenzenesulfonamide as a selective oxidant for hexosamines in alkaline medium: A kinetic and mechanistic study. Journal of Organic Chemistry, 63 (3). pp. 531-536.

Chandraju, S. and Mahadevappa, D. S. and Rangappa, K. S. (1997) Manganese (III) oxidation of some neutral amino acids in pyrophosphate medium: A kinetic and mechanistic study. Indian Journal of Chemistry Section a-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 36 (11). pp. 974-980. ISSN 0975-0975

Chandraju, S. and Mahadevappa, D. S. and Rangappa, K. S. and Made Gowda, N. M. (1997) Anodically generated manganese(III) oxidation of L-serine and DL-threonine in aqueous acetic acid medium: Kinetics and mechanism. Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 27 (9). pp. 1329-1346. ISSN 0094-5714

Ramachandra, H. and Mahadevappa, D. S. and Rangappa, K. S. and Made Gowda, N. M. (1997) Ruthenium(III)-catalyzed mechanistic studies of oxidation of benzhydrols by sodium N-chloro-p-toluenesulfonamide in HCl medium. International Journal of Chemical Kinetics, 29 (10). pp. 773-780.

Rangappa, K. S. and Raghavendra, M. P. and Mahadevappa, D. S. (1997) Kinetics and mechanism of the oxidation of uronic acids by sodium N-chlorobenzenesulphonamide in alkaline medium. Journal of Carbohydrate Chemistry, 16 (3). pp. 359-371. ISSN 0732-8303

Raghavendra, M. P. and Mahadevappa, D. S. and Rai, K. M. Lokanatha and Rangappa, K. S. (1997) Mechanistic investigations of oxidation of amino sugars by sodium N-chloro-p-toluenesulfonamide in alkaline medium. Journal of Carbohydrate Chemistry, 16 (3). pp. 343-358.

Rangappa, K. S. and Mahadevappa, D. S. and Raghavendra, M. P. (1997) Kinetics and mechanism of oxidation of D-mannosamine by sodium N-chloro-p-toluenesulphonamide in alkaline medium. Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry, 36 (10). pp. 890-896.

Ramachandra, H. and Mahadevappa, D. S. and Rangappa, K. S. (1997) Kinetics and mechanism of oxidation of alpha-phenylbenzenemethanols by sodium-N-bromo-p-toluenesulphonamide catalysed by ruthenium(III). Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry, 36 (4). pp. 333-338.

Rangappa, K. S. and Ramachandra, H. and Mahadevappa, D. S. (1997) Mechanistic studies of oxidation of diphenylmethanols by sodium N-chlorobenzenesulphonamide catalysed by ruthenium(III). Journal of Physical Organic Chemistry, 10 (3). pp. 159-166.

Ramachandra, H. and Rangappa, K. S. and Mahadevappa, D. S. (1997) Oxidation of diphenylcarbinols with bromamine-B in acid medium catalyzed by Ru(III), a kinetic and mechanistic study. Oxidation Communications, 20 (4). pp. 565-575.

Rangappa, K. S. and Chandraju, S. and Mahadevappa, D. S. (1996) Kinetics of oxidation of L-lysine and L-phenylalanine by anodically-generated manganese(III) in aqueous ethanoic acid. Transition Metal Chemistry, 21 (6). pp. 519-523.

Ananda, S. and Demappa, T. and Mahadevappa, D. S. and Made Gowda, N. M. (1996) Oxidation of some primary amines by bromamine-b in alkaline medium: A kinetic and mechanistic study. International Journal of Chemical Kinetics, 28 (12). pp. 873-878.

Ramachandra, H. and Mahadevappa, D. S. and Rangappa, K. S. (1996) Mechanistic investigations of the oxidation of phenethyl alcohols by sodium-N-bromo-benzenesulphonamide in acid medium. Proceedings of the Indian Academy of Sciences - Chemical Sciences, 108 (5). pp. 485-494.

Ramachandra, H. and Rangappa, K. S. and Mahadevappa, D. S. (1996) Oxidation of substituted phenethyl alcohols by sodium N-chlorobenzenesulphonamide: A kinetic study. Journal of Physical Organic Chemistry, 9 (5). pp. 279-286.

Rangappa, K. S. and Ramachandra, H. and Mahadevappa, D. S. and Made Gowda, N. M. (1996) Osmium(VIII) catalyzed kinetics and mechanism of indoles oxidation with aryl-N-haloamines in alkaline medium. International Journal of Chemical Kinetics, 28 (4). pp. 265-274.

Ramachandra, H. and Rangappa, K. S. and Mahadevappa, D. S. and Made Gowda, N. M. (1996) Oxidation of substituted phenethyl alcohols by sodium-N-chloro-p-toluene sulfonamide: A kinetic study. Monatshefte für Chemie, 127 (3). pp. 241-255.

Ramachandra, H. and Rangappa, K. S. and Mahadevappa, D. S. (1996) Kinetics and mechanism of oxidation of phenethyl alcohols by bromamine-T in acid medium. Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry, 35 (7). pp. 703-707.

Ramachandra, H. and Rangappa, K. S. and Mahadevappa, D. S. (1996) Oxidation of substituted phenethyl alcohols by sodium N-chlorobenzenesulphonamide: A kinetic study. Journal of Physical Organic Chemistry, 9 (7). pp. 439-446.

Venkatesha, B. M. and Ananda, S. and Mahadevappa, D. S. and Made Gowda, N. M. (1995) Kinetic and mechanistic studies of indigocarmine oxidation by chloramine-T and chlorine in acidic buffer media. International Journal of Chemical Kinetics, 27 (7). pp. 663-674.

Ananda, S. and Venkatesha, B. M. and Mahadevappa, D. S. (1995) Oxidation of Indigocarmine by Chloramine-B and Hypochlorous Acid in Buffer Medium - A Kinetic and Mechanistic Study. Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry, 34 (6). pp. 508-513.

Venkatesha, B. M. and Ananda, S. and Mahadevappa, D. S. (1994) Kinetics of Oxidation of Chloroacetic Acids by Sodium N-Bromo-P-Toluenesulphonamide (Bromamine-T) in Hcl Medium and Catalysis by Ru(Iii) Ion. INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY, 33 (2). pp. 128-135. ISSN 0376-4710

Ananda, S. and Venkatesha, B. M. and Mahadevappa, D. S. and Made Gowda, N. M. (1993) Ruthenium(III) catalyzed kinetics of chloroacetic acids oxidation by sodium N‐bromobenzenesulfonamide in hydrochloric acid medium. International Journal of Chemical Kinetics, 25 (9). pp. 755-770.

Rangappa, K. S. and Esterline, D. T. and Mythily, C. K. and Mahadevappa, D. S. and Ambekar, S. Y. (1993) Oxidation of indoles by n-chloro-n-sodio-p-toluenesulphonamide in alkaline medium catalysed by osmium(VIII): a kinetic study. Polyhedron, 12 (14). pp. 1719-1724.

Puttaswamy and Mahadevappa, D. S. (1993) Kinetics and Mechanism of Oxidation of Acetylacetone by Chloramine-T and Bromamine-T in the Presence of Hydrochloric-Acid. Indian Journal of Chemistry Section a-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 32 (5). pp. 409-413.

Rangappa, K. S. and Mythily, C. K. and Mahadevappa, D. S. and Made Gowda, N. M. (1993) Kinetics and mechanism of oxidation of some aliphatic esters by sodium N‐bromo‐p‐toluenesulfonamide. International Journal of Chemical Kinetics, 25 (2). pp. 97-105.

Iyengar, T. A. and Mahadevappa, D. S. (1993) Kinetics of oxidation of glycylglycine by bromamine-T in acid medium. Proceedings of the Indian Academy of Sciences - Chemical Sciences, 105 (1). pp. 63-70.

Puttaswamy and Mahadevappa, D. S. and Made Gowda, N. M. (1993) Kinetics and mechanism of oxidation of indigo carmine by hypohalites. International Journal of Chemical Kinetics, 23 (1). pp. 27-35.

Venkatesha, B. M. and Ananda, S. and Mahadevappa, D. S. (1993) Oxidation of ethylenediamine tetraacetic: acid by aromatic N-bromamines in alkaline medium with OsO4 as catalyst: A kinetic and mechanistic study. Indian Journal of Chemistry Section a-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 32 (9). pp. 814-818.

Iyengar, T. A. and Mahadevappa, D. S. (1992) Kinetics of oxidation of diglycine by bromamine- B in perchloric acid Medium. Indian Journal of Chemistry Section a-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 31 (10). pp. 752-755. ISSN 0975-0975

Iyengar, T. A. and Mahadevappa, D. S. and Puttaswamy (1992) Mechanistic investigation of oxidation of a diketone by bromamine-B in acid medium. Proceedings of the Indian Academy of Sciences - Chemical Sciences, 104 (5). pp. 611-618.

Venkatesha, B. M. and Ananda, S. and Mahadevappa, D. S. (1992) Oxidation of indole by N‐sodio‐N‐chlorobenzenesulphonamide (chloramine‐B) in alkaline medium catalysed by os(viii): A kinetic and mechanistic study. Journal of Physical Organic Chemistry, 5 (7). pp. 373-381.

Iyengar, T. A. and Mahadevappa, D. S. (1992) Kinetics and mechanism of oxidation monosaccharides by sodium-N-bromobenzenesulphonamide in alkaline medium. Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 31 (11). pp. 838-844.

Iyengar, T. A. and Mahadevappa, D. S. (1992) Oxidation of Pentoses by Sodium-N-bromo-P-toluene sulphonamide: A Kinetic and Mechanistic Study. Journal of Carbohydrate Chemistry, 11 (1). pp. 37-58.

Venkatesha, B. M. and Ananda, S. and Mahadevappa, D. S. (1991) Oxidation of aliphatic esters by sodium N-bromobenzenesulphonamide: A kinetic study. Indian Journal of Chemistry Section a-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 30 (9). pp. 789-792.

Mythily, C. K. and Mahadevappa, D. S. and Rangappa, K. S. (1991) Oxidation of secondary alcohols by sodium N-chlorobenzenesulphonamide in aqueous solution. A kinetic study. Collection of Czechoslovak Chemical Communications, 56 (8). pp. 1671-1679.

Mythily, C. K. and Rangappa, K. S. and Mahadevappa, D. S. (1990) Kinetics of oxidation of cinnamaldehyde by chloramine-t in perchloric-acid and in alkaline-medium catalyzed by OS(viii). Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 29 (7). pp. 676-679. ISSN 0975-0975(Online); 0376-4710(Print)

Iyengar, T. A. and Puttaswamy and Mahadevappa, D. S. (1990) Kinetics and mechanism of the oxidation of some hexoses by sodium n-chlorobenzenesulfonamide in the presence of sodium-hydroxide. Carbohydrate Research, 197. pp. 119-300.

Mohan, K. and Mahadevappa, D. S. and Puttaswamy (1990) Oxidation of secondary alcohols by sodium n-bromobenzenesulfonamide - a kinetic-study. Proceedings of the Indian Academy of Sciences-Chemical Sciences, 102 (1). pp. 65-72.

Puttaswamy and Mahadevappa, D. S. (1990) Kinetics and mechanism of oxidation of substituted ethanols by bromamine-t in acid-medium. Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 29 (1). pp. 42-45. ISSN 0975-0975

Ananda Murthy, A. S. and Ananda Murthy, S. and Mahadevappa, D. S. (1989) Oxidation of thiols by sodium N-haloarylsulfonamides. Talanta, 36. p. 1051.

Puttaswamy and Mahadevappa, D. S. and Rangappa, K. S. (1989) Oxidation of indigo carmine by n-haloarenesulfonamidates - a kinetic-study. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 62 (10). pp. 3343-3348. ISSN 1348-0634

Puttaswamy and Mahadevappa, D. S. (1989) Oxidation of substituted ethanols by sodium n-bromobenzenesulfonamide - a kinetic-study. JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 2 (8). pp. 660-671. ISSN 0894-3230

Mahadevappa, D. S. and Ananda, S. and Made Gowda, N. M. and Rangappa, K. S. (1985) Oxidation of methionine by sodium N-chlorotoluene-p-sulphonamide in aqueous solution : A kinetic study. Journal of the Chemical Society, Perkin Transactions 2 (1). pp. 39-43. ISSN 1472-779X

Yathirajan, H. S. and Mahadevappa, D. S. (1982) Kinetics and mechanism of oxidation of allyl and crotyl alcohols by sodium N-chlorobenzenesulphonamide in hydrochloric acid medium. Collection of Czechoslovak Chemical Communications, 47 (7). pp. 1826-1837. ISSN 1212-6950

Swamy, R. and Yathirajan, H. S. and Mahadevappa, D. S. (1981) Kinetics and Mechanism of Oxidation of Phenyl Allyl Alcohol by Sodium N-Chloro-Benzenesulfonamide in Hydrochloric-Acid Medium. Revue Roumaine De Chimie, 26 (4). pp. 565-574. ISSN 0035-3930

Yathirajan, H. S. and Rangaswamy and Mahadevappa, D. S. (1981) A Rapid method for the estimation of Isoniazid with Dichloramine-T and Dichloramine-B. Journal of the Indian Chemical Society, 58 (6). pp. 619-620. ISSN 0019-4522

Rangaswamy and Yathirajan, H. S. and Mahadevappa, D. S. (1980) Cheminform Abstract: Some Analytical Applications of Chloramine-B: Estimation of Amino Acids, Dimethyl Sulfoxide, Hydrazine Sulfate, Semicarbazide Hydrochloride and Cyanide and Thiocyanate Ions In Metal Salts and Complexes Using Chloramine-B. Chemischer Informationsdienst, 11 (32). ISSN 1522-2667

Yathirajan, H. S. and Rangaswamy and Mahadevappa, D. S. (1980) Estimation of rare earth complexes of glutamic acid with chloramine-T and chloramine-B. Current Science, 49 (9). pp. 342-344. ISSN 0011-3891

Ahmed M., Sayeed and Mahadevappa, D. S. (1980) Bromamine-B as a new oxidimetric titrant. Talanta, 27 (Copyri). p. 669.

Yathirajan, H. S. and Mahadevappa, D. S. and Rangaswamy (1980) Dichloramine-B as redox titrant in non-aqueous or partially aqueous media. Talanta, 27 (1). 52 - 54. ISSN 1873-3573

Mahadevappa, D. S. and Rangappa, K. S. and Made Gowda, N. M. (1980) Kinetic and mechanistic studies on the oxidation of arginine and histidine by chloramine-T in hydrochloric acid medium. Reaction kinetics and catalysis letters, 15 (1). pp. 13-19. ISSN 0133-1736

Mahadevappa, D. S. and Jadhav, M. B. and Naidu, H. M. K. (1980) Kinetics and mechanism of the oxidation of dimethyl sulfoxide by chloramine-T in hydrochloric and medium. Reaction Kinetics and Catalysis Letters, 14 (1). pp. 15-20. ISSN 0133-1736

Yathirajan, H. S. and Mahadevappa, D. S. (1980) A Rapid, method for the estimation of Isoniazid with Chloramine-T & Chloramine-B. Indian journal of chemistry, 19 (A). pp. 821-823.

Rangaswamy and Yathirajan, H. S. and Mahadevappa, D. S. (1979) Silver Salt of N-Chloro-4-methylbenzene Sulphonamide as a new oxidimetric reagent. Indian Journal of Chemistry, 18A (3). pp. 274-275. ISSN 0975-0975

Yathirajan, H. S. and Mahadevappa, D. S. (1979) Some Analytical Applications of Chloramine-B: Estimation of Amino Acids, Dimethyl Sulphoxide, Hydrazine Sulphate, Semicarbazide -Hydrochloride & Cyanide & Thiocyanate Ions in Metal Salts & Complexes Using Chloramine-B. Indian Journal of Chemistry, 17A (6). 0975-0975.

Mahadevappa, D. S. and Ahmed, M. S. (1979) Dibromamine-B as a new redox titrant in non-aqueous or partially aqueous media. Talanta, 26 (Copyri). pp. 590-592.

Mahadevappa, D. S. and Basavaraju Gowda, T. and Made Gowda, N. M. (1979) Kinetics and Mechanism of oxidation of thiocyanate ion by sodium N-Chloro-4-methyl benzene sulphonamide in alkaline medium. Zeitschrift fur naturforschung - Section B journal of chemical sciences, 34 (1). pp. 52-57. ISSN 0932-0776

Made Gowda, N. M. and Mahadevappa, D. S. (1979) Kinetics of oxidation of glycine and valine by chloramine-T in hydrochloric acid medium. Monatshefte für Chemie, 110 (1). pp. 157-165. ISSN 0026-9247

Naidu, H. M. K. and Mahadevappa, D. S. (1978) Kinetics and mechanism of oxidation of acetone, ethyl methyl ketone and diethyl ketone with chloramine-T in hydrochloric acid medium. Monatshefte für Chemie, 109 (2). pp. 269-276. ISSN 0026-9247

Raghavendra, M. P. and Mahadevappa, D. S. and Rangappa, K. S. Oxidation of uronic acids by sodium N-chloro-p-toluenesulphonamide in alkaline medium: A kinetic study. Indian Journal of Chemistry Section a-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 35 (12). pp. 1079-1083.

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