Results 61 to 70 of about 1,925 (186)

Synthesis, Characterize and Evaluation of anti-bacterial and anti-fungal activity of thiazines

, 2018
1,3 – Thiazines have been applied as useful starting materials in the stereo selective synthesis of compounds of pharmacological interest and they have served as chiral ligants and auxiliaries in enantioselective transformation.
Salman, B. Syed, sarmad, Arsalan, Sultana, Razia   +2 more
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Ketenes as Privileged Synthons in the Synthesis of Heterocyclic Compounds Part 3. Six-Membered Heterocycles

, 2022
Ketenes are mostly used as common starting materials for structurally diverse mono-, spiro- and fused six-membered heterocycles such as lactones, pyrans, pyronones, pyridines, quinolines, isoquinolines, oxazine, quinoxalines, thiazines, oxathines, etc.
Bahareh Talaei (9524455), Majid Mommahed Heravi (9225485)   +1 more
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Synthesis of 2-amino-5,7-dimethyl-4-oxopyrido[3,4-e]-1,3-thiazines

, 1983
New synthesis of pyrido[3,4-e]-1,3-thiazines consisting in reaction of 2,6-dimethyl-4-chloronicotinoyl isothiocyanate with primary or secondary amines, or with benzaldehyde phenylhydrazone, is described.
Pavol Kristian, Dušan Koščík, Ondrej Forgáč   +2 more
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The photosensitizers benzophenoxazine and thiazines: comprehensive investigation of photophysical and photochemical properties

, 1990
Eight differently substituted title dye compounds have been investigated regarding intersystem crossing, triplet state, fluorescence and singlet excited state pKa properties.
Becker, Ralph S., Das, Suresh, Chakravorti, Sankar   +2 more
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Synthesis of thiazines using an unusual means-sonication

, 2008
1759-1761A trouble free & swift method have been established for synthesis of thiazines from carbostyril CAB¹ and dimidone DIM² using sulphur powder and iodine as a catalyst in presence of THF solvent.
Dabholkar, Vijay V, Ansari, Faisal Y
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Synthesis of 3,4-dihydro-1,1-dioxo-2H-benzo[e] [1,2] thiazines

, 2011
3,4-Dihidro-1,1-diokso-2H-benzo[e][1,2]tiazīnu sintēze. Paass E., zinātniskie vadītāji M. Sc. Bluķe Z., Dr.chem. Kauss V. Bakalaura darbs, 36 lappuses, 29 attēli, 5 tabulas, 25 literatūras avoti. Latviešu valodā.
Paass, Einārs
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Some nucleophilic reactions of 2-isothiocyanatobenzyl bromide. A new simple synthesis of 2-substituted 4H-benzo[d][1,3]thiazines

, 1986
N-Bromosuccinimide reacts with o-tolyl isothiocyanate to afford 2-isothiocyanatobenzyl bromide, a new type of bifunctional synthon. Nucleophiles I-, SCN-, 4-CH3C6H4SO2- and hexamethylenetetramine yield substitution products of bromine. Amines and phenols
Pavol Kristian, Jozef Gonda
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Evaluation of the antiviral efficacy of bis[1,2]dithiolo[1,4]thiazines and bis[1,2]dithiolopyrrole derivatives against the nucelocapsid protein of the Feline Immunodeficiency Virus (FIV) as a model for HIV infection

, 2014
A diverse library of bis[1,2]dithiolo[1,4]thiazines and bis[1,2]dithiolopyrrole derivatives were prepared for evaluation of activity against the nucleocapsid protein of the Feline Immunodeficiency Virus (FIV) as a model for HIV, using an in vitro cell ...
Asquith, C R M, Laitinen, Tuomo, Allenspach, K, Rakitin, Oleg A, Meli, M L, Poso, Antti, Rakitin, O A, Allenspach, Karin, Hofmann-Lehmann, Regina; https://orcid.org/, Konstantinova, Lidia S, Poso, A, Hilton, S T, Konstantinova, L S, Meli, Marina L; https://orcid.org/, Peräkylä, Mikael, Laitinen, T, Asquith, Christopher R M, Hofmann-Lehmann, R, Hilton, Stephen T, Perakyla, M, Hilton ST, Asquith CR, Poso A, Rakitin OA, Meli ML, Laitinen T, Hofmann-Lehmann R, Peräkylä M, Allenspach K, Konstantinova LS   +29 more
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Studies of heterocyclic chemistry. Part 25. Intramolecular cyclisations of N-acylarylethanethioamides leading to thiazoles, 4H-1,3-thiazines, 4H-pyrido[3,2-e]-1,3-thiazines, and 4H-1,3-benzothiazines

Thiazoles, 4H-1,3-thiazines, 4H-pyrido[3,2-e]-1,3-thiazines, and 4H-1,3-benzothiazines have been synthesized from N-acyl-(1,3-dithiol-2-ylidene)arylethanethioamides derived from the reactions of 4-aryl-3-halogenoacylthio-4-aryl-3-(2 ...
Nishiwaki, Tarozaemon, 阿部, 憲孝, Nakamura, Reiko, Sasaoka, Yoshiro, Kochi, Hirafumi, Kawamura, Etsuko, Soneda, Kazumi   +6 more
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Alternative Synthesis of 2,4-Substituted-1,3-thiazines and 2,5-Substituted-thiazole Derivatives [PDF]

, 2015
Aneasy and convenient route for the synthesis of 2,4-substituted thiazine (3–6) and 2,5-substituted thiazole (16) derivatives from phenacetamidines and glycine methyl ester is reported.
Singh, P, Mahajan, MP, Bisetty, K
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