The Reactions ofN-Substituted Thioamides with α-Halonitriles
نویسندگان
چکیده
منابع مشابه
Ketoximes to N-substituted thioamides via PSCl3 mediated Beckmann rearrangement.
N-Substituted thioamides were accessed from ketoximes by utilising PSCl3 as a uniquely capable reagent to induce Beckmann rearrangement as well as to capture the intermediate nitrilium ion.
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Owing to their physiological activity, thioamides are used in pharmacy [1], but no simple relation between the rate of their hydrolysis and microbial activity has been found [2]. Dithiocarbamates and their copper complexes which are chemically related to these substances also exhibit antimycobacterial activity [3]. Unfor tunately, only small attention has been hitherto paid to the complexes of...
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Efficient one-pot methods for the synthesis of variously functionalised conjugated nitro alkenes have been reported. Despite the utility in different fields of these compounds, only a few multi-step syntheses have been reported in the literature, giving the target compounds in low overall yields. α-Nitro acrylates or cinnamates, α-nitro α,β-unsaturated ketones and, most importantly, aromatic an...
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Ketones smoothly reacted with NBS in the presence of a catalytic amount of p-toluenesulfonic acid to give α-bromoketones in good yields in typical ionic liquids, such as [bmim]PF6 and [bmpy]Tf2N, and the ionic liquids could be repeatedly used for the same reaction after the extraction of the α-bromoketones. Then, the one-pot conversion of ketones into thiazoles by the treatment with NBS, and su...
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Hetero-Diels-Alder reaction with sulfines generated in situ from methylsulfones 5a-e substituted in α-position with a phosphonyl, carboxyl, carboxyoxazolidinyl, pyridyl, or a quinolyl substituent, respectively, led to new highly functionalized thiopyrans cycloadducts. When in the substrates (i.e. 5a-c) the sulfonyl group and the second substituent on the methylene carbon have comparable electro...
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ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 1964
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.37.1670