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Get PDF (4149K) - Wiley Online Library
N-Acetyl-d-glycosyiamhe of Hockett and Chand- ler-Studies on the. ... .. Carvacrol on condensation with isatin gives various products. Isolated were a- biscarvacrolisatin (m. p.. 170-180) and ... .. Phenyl Tetraacylglucosides-The Bromination of. |
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Full-Text PDF - MDPI.com
by refluxing N-acetyl derivatives 7 in Ac2O (Scheme 2). ... substituent in 6 or 7 position as established through NMR analysis of the reaction products [25, 27] ... intermediate gives 2,3-dihydrothiazolo[3,2-a]benzimidazoles 26 (Scheme 7). ... ... carboxylic acid ethyl ester (141) by the bromination of ester 15a. |
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Application of N-Halo Reagents in Organic Synthesis | Eskandar ...
In this regard, a large group of compounds entitled N-halo reagents are widely used ... . TCCA NH2 NaOH, H2O 5 °C RCN Regioselective chlorination of isatin at the 5-position ... . Bromination in dichloromethane gave the products in low yields, while the ... . ion 14, which is attacked by the fluoride ion to give the final product. |
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Oxidation of indoles - Journal of the Indian Institute of Science
condensation of indoxyl with isatin Ag, another by-product of this oxidation'. In ... When 2-methylindole is oxidized to N-acetylanthranilic acid A19 by ... . Oxindoles are also obtained by bromination of 3-substituted indoles in pyridire and ... non of Grignard derivative of indole with p•nitro perbenzoic acid gives 3-bromoindole"... |
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Benzo[1,5]thiazepine: Synthesis, Reactions, Spectroscopy, and ...
Reaction of Gem-Acetyl- and Gem-Benzoylnitrostyrenes with o-Aminothiophenol ... Cyclocondensation Reaction of (E)-N-(4-(3-(2-Chloro-5,6,7 ... .. neutral alumina, and molecular sieves (5 Å) were ineffective in giving products in good yields. ... .. Reactions of o-Aminothiophenol Derivatives with Isatin and ... |
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View - OhioLINK Electronic Theses and Dissertations Center
isatin family of inhibitors but which offer the advantage of incorporating three points ... .. N-alkylated anilines were reacylated with 2-chloroacetyl chloride to form the tertiary ... . Scheme 3 – Sumpter's evaluation of the bromination of oxindole ... . The reported alkylation product of this reaction was N-methyl-3... |
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Convenient syntheses of halo-dibenz[ b , f ]azepines and ...
We initially employed route (1), via an N-aryl isatin, to synthesise ... halogenationof 10,11-dihydrodibenz[b,f]azepine 2 ('iminodibenzyl', IDB) is also ... . this was found to give significant amounts of 9-methylacridine by-products. ... . metal isocyanate reaction was the use of (trichloroacetyl)isocyanate (Tab... |