Results 141 to 150 of about 2,743 (163)

Δ-2 thiazoline et alkyl-2 Δ-2 thiazolines: etude vibrationnelle infrarouge et Raman.conformation

Journal of Molecular Structure, 1978
Resume Les spectres Raman (etat liquide) et les spectres infrarouges de la Δ-2 thiazoline et des derives alkyles en position 2 (etats vapeur, liquide, dissous et solide) ont ete examines entre 4000 et 200 cm −1 . L'attribution proposee pour les vibrations fondamentales de ces heterocycles est compatible avec une conformation plane ou tres peu ...
G. Mille, J.L. Meyer, J. Chouteau
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2-Arylimino-3-thiazolines - formation of unusual tautomers of 2-arylamino-thiazolines - a revision

Tetrahedron Letters, 1985
Abstract In contrast to previously reported results the products formed in the reaction of arylthioureas with 3-bromomethyl-2-cyanocinnamonitrile are not 2-arylimino- 3-thiazolines but 2-arylamino-4-dicyanomethyl-2-thiazolines.
Jürgen Liebscher, Elke Mitzner, Sektion Chemie   +2 more
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Dehydrobromierung von ?-Bromacetophenon-(2-thiazolin-2-yl)-hydrazon � HBr zu 3,6-Diphenyl-1-(2-thiazolin-2-yl)-6(2-thiazolin-2-ylazo)-1,4,5,6-tetrahydropyridazin

Monatshefte f�r Chemie, 1976
The attempted synthesis of 6,7-dihydro-3-phenyl-4H-thiazolo[2,3−c][1,2,4]-triazine (2) from5 · HBr failed and the title reaction is observed instead.
K. H. Ongania, J. Schantl
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2-Thiazoline-4-carboxylic acid

Journal of the Chemical Society C: Organic, 1968
Ring-closure of N-formylcysteine in acid solution affords 2-thiazoline-4-carboxylic acid, the simplest thiazoline derivable from cysteine. The behaviour of this thiazoline in acid and in buffered aqueous solutions has been studied spectrophotometrically. Related observations on 2-phenyl-2-thiazoline-4-carboxylic acid are also recorded.
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The acetylation of 2-methyl-Δ2-thiazoline—II

Tetrahedron, 1971
Abstract Some of the products of the reaction of 2-methyl-Δ2-thiazoline with acetyl chloride in anhydrous acetonitrile are N,S-diacetylcysteamine 6 (30–35%), the dimer 1 (16%) and the cyclic trimer 3 (7%). Inclusion of small amounts of water in the reaction solvent diverts the course of the reaction to the exclusive production of diacetylcysteamine ...
L.V. Grobovsky, G.L. Schmir
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Acylation of 2-methyl-2-thiazoline

Canadian Journal of Chemistry, 1970
The acylation of 2-methyl-2-thiazoline initially reported by Sheehan etal. (1) has been reinvestigated and reinterpreted. The initially formed 2-chloro-N-acylthiazolidine (e.g. 8) can be dehydrohalogenated to a 2-methylene-N-acylthiazolidine by reaction with triethylamine or converted to a 2-hydroxy-N-acylthiazolidine on addition of water. Contrary to
T. Durst, J. Du Manoir
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Oxazoline and Thiazoline Rings in Proteins

Nature, 1942
A STUDY of the O-methylation of wool and silk with methyl bromide and methyl sulphate showed the extent of methylation could not be entirely accounted for as esterification of free carboxyl groups and we suggested that methylation of activated peptide linkages also took place1. We have now obtained evidence suggesting the activated peptide linkages are
S. BLACKBURN, W. R. MIDDLEBROOK, H. PHILLIPS   +2 more
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SUBSTITUTED 2-IMINO-THIAZOLINES

2001
The invention relates to novel, substituted 2-imino-thiazolines of general formula (I), wherein R, R, R, R, A, Q and Y are defined as given in the description. The invention also relates to a method for the production thereof and to the use thereof as herbicides.
BAYER AG, MUELLER KLAUS HELMUT, DREWES MARK WILHELM, DAHMEN PETER, FEUCHT DIETER, PONTZEN ROLF   +5 more
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Phenylmercapto-thiazolines

Journal of the American Chemical Society, 1942
Joseph B. Niederl, William F. Hart
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Über Thiazoline

Justus Liebigs Annalen der Chemie, 1954
Kuhn, R., Drawert, F.
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