- Solvent-free mechanochemical synthesis of bisthioglycolic acid derivatives: an efficient and versatile strategy for carbon–sulfur bond formation
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An eco-friendly, easily achievable and efficient strategy has been explored to synthesize functionalized bisthioglycolic acids using a variety of aldehydes and thioglycolic acid. The employed protocol is solvent free and provides the desirable products in
- Bhargava, Gaurav,Kumar, Rupesh,Naikoo, Rayees Ahmad,Singh, Parvesh
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- Syntheses of some novel and symmetrical bis(4-amino-4H-1,2,4-triazole-3- thiols)
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A series of bis(4-amino-4H-1,2,4-triazole-3-thiols) 3a-e were prepared by condensation reactions of 2,2-(phenylmethylene)bis(sulfanediyl)diacetic acids 2a-e with thiocarbohydrazide. The starting diacid 2a-e was prepared by reactions of aromatic aldehydes
- Ebrahimi, Sattar,Sayadi, Masoomeh
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p. 647 - 652
(2013/02/22)
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- SYNTHESIS, SPECTRAL STUDIES AND C-S BOND FISSION THROUGH PUMMERER REACTION OF SOME ALKYLDIACETATES
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A series of methyl and ethyldiacetates have been synthesized and their structures were identified.Correlation between δ-values of the benzylidene protons and ?-Hammett values has been found.The internal chemical shift Δν of the methylene protons was found to be correlated linearly with ?-Hammett constants indicating that the sulfur atom could transmit a polar effect to the substituent.Studies of H2O2 oxidation suggested that a competition between Pummerer and elimination reactions of the intermediate was involved. Key words: Benzylidene dithio diacetates; (1)HNMR spectra; Pummerer reaction
- Gohar, Gamal A.
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p. 171 - 178
(2007/10/02)
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- 142. Praeparative chromatographische Enantiomerentrennung von synthetisch nuetzlichen cyclischen Acetalen
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Preparative Chromatographic Resolution of Sunthetically Useful Cyclic Acetals Racemic cyclic acetals derived from aldehydes and glycine, glycolic acid, thioglycolic acid, formylacetic acid, and acetoacetic acid (oxazolidinones 4-13, dioxolanones 14,15, ox
- Seebach, Dieter,Mueller, Stefan G.,Gysel, Urs,Zimmermann, Juerg
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p. 1303 - 1318
(2007/10/02)
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