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The synthesis of certain N-(6-purinyl) substituted amino acid esters

Creator:: Lilienthal, Ronald Roy
Resource Type:: Masters Thesis
Full Text:: ; Found: C=5L5, H=5.93'; M.P. 198°-199°. k , N-( 6-purinyl) L-tyrosine ethyl ester (Cj^HjyNgOo

A study of the acidic constituents of the hulls of English walnuts (Juglans regia L.)

Creator:: Schink, Chester Albert
Resource Type:: Masters Thesis
Full Text:: walnuts (Juglans regia L.) A STUDY OF TIlE ACIDIC CONSTITUENTS OF THE hULLS OF ENGLISH WALNUTS

2-nitro-l, 3-indandoine and its use as a reagent for the indentification of organic bases

Creator:: Harris, Darrell Sinclair
Resource Type:: Masters Thesis
Full Text:: 62.58 4.32 65.20 5.47 59.66 4.14 48,43 4.07 62.17 3.65 Found N .L found C H 326 320 62.14

The chlorination of uric acid by phosphorus oxychloride in the presence of certain aliphatic and aromatic amine hydrochlorides

Creator:: Haase, William Alan
Abstract:: Since the use of N, N-diethylaniline hydrochloride in the chlorination of uric acid with phosphoryl chloride seems to promote the reaction, a study of the effect of other salts of nitrogenous bases in the chlorination of uric acid was undertaken. When N, N-diethylaniline hydrochloride was used in lieu of the...
Resource Type:: Masters Thesis
Full Text:: other salts of nitrogenous bases in the chlorination of uric acid was undertaken. l,[hen N, N

The investigations of the methods for the reduction of chloropyrimidines

Creator:: Ladpli, Vimolvan
Abstract:: This thesis investigated on the dehalogenation of 2, 4- dichloropyrimidine in various different conditions. These conditions were changed by varying the solvents, the amount of catalysts and the hydrogen chloride acceptors in order to study the effects on the yields. It was found that the ether-aqueous sodium hydroxide medium with...
Resource Type:: Masters Thesis
Full Text:: Podbielniak column. Quinoline, naphthalene, and N, N-dimethylaniline were found to be the effective ones

An investigation of the reduction products of 4-amino-2, 6-dichloropyrimidine by catalytic hydrogenation

Creator:: Leutzinger, Eldon Edward
Abstract:: In recent years nuclear reduction of pyrimidines by catalytic hydrogenation in acid media has been considered a possible synthetic method for the preparation of substituted tetrahydropyrimidines. This technique has the advantage of simplicity over the older condensation methods and is limited only by the preparation of the appropriately substituted pyrimidines....
Resource Type:: Masters Thesis
Full Text:: found to contain five components by gas chromatography, four of which were identified as ammonia, n

The study of the influence of the nitro substituent on the hydrazinolysis of certain substituted 5-nitropyrimidines

Creator:: Stahl, Quade Russell
Abstract:: The unique reaction between 4, 6-dimethoxy-5-nitropyrimidine and methylhydrazine was investigated. The reaction product was identified as 4-hydrazino-6-hydroxypyrimidine from (a) spectral data, (b) by direct synthesis of the product via 4-chloro-6-hydroxypyrimidine and hydrazine, and (c) by conversion of the product to the known 4-amino-6-hydroxypyrimidine using Raney nickel. The product was not...
Resource Type:: Dissertation
Full Text:: were three bands in the N-H and O-H stretching region; 3320, 3260 and 3175 cm -l. The sharp absorption

A study of certain reactions of 4-chloro-6-methylhydrazino-5-nitropyrimidine and the 4-methoxy and 6-dimethylamino analogs

Creator:: Tantivanich, Amnard
Abstract:: The reaction between 4- chloro- 6- methoxy- 5-nitropyrimidine and methylamine was investigated. The reaction product was identified as 4-methoxy-6-methylamino-5-nitropyrimidine from synthesis of the product via 4-chloro-6-methylamino-5-nitropyrimidine. The product was the result of displacement of chloro substituent with methylamine. The reaction occured under mild condition (e. g. 15-20 C. in dioxane)....
Resource Type:: Masters Thesis
Full Text:: - dichloro-5-nitropyrimidine. Journal of the Chemical Society, 1956, p. 1953-1956. 17. Short, L. N., W. H

The preparation of 2,4,7-trichloroimidazo [4,5-d] pyridazine and certain of its derivatives

Creator:: Laursen, Paul Herbert
Resource Type:: Dissertation
Full Text:: , 51.6; H, 6.90; 1, 10.9'l-. C, 51.9; H, 6.78; N, 11.12. Dibutyl 2-imiiìazolone-4, 5-dicarboxylate

Structures of certain chloro substituted pyrimidines

Creator:: Lasater, Neil Jonathan
Resource Type:: Masters Thesis
Full Text:: of L-n-amylaminopyrimidine (9, p. 21i.56) and L-dimethylarninopyrimidine (5, p. 336) has been

ScholarsArchive@OSU

The synthesis of certain N-(6-purinyl) substituted amino acid esters

A study of the acidic constituents of the hulls of English walnuts (Juglans regia L.)

2-nitro-l, 3-indandoine and its use as a reagent for the indentification of organic bases

The chlorination of uric acid by phosphorus oxychloride in the presence of certain aliphatic and aromatic amine hydrochlorides

The investigations of the methods for the reduction of chloropyrimidines

An investigation of the reduction products of 4-amino-2, 6-dichloropyrimidine by catalytic hydrogenation

The study of the influence of the nitro substituent on the hydrazinolysis of certain substituted 5-nitropyrimidines

A study of certain reactions of 4-chloro-6-methylhydrazino-5-nitropyrimidine and the 4-methoxy and 6-dimethylamino analogs

The preparation of 2,4,7-trichloroimidazo [4,5-d] pyridazine and certain of its derivatives

Structures of certain chloro substituted pyrimidines

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