- POLYTHIOL COMPOSITION AND METHOD FOR PRODUCING SAME
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The present invention provides a polythiol composition containing, as the main component, a polythiol compound (a) having two or more mercapto groups, and containing 0.5% by mass or less of a nitrogen-containing compound (b) in which at least one mercapto group in the polythiol compound (a) is substituted with a group represented by formula (1).
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Paragraph 0034-0035
(2017/09/13)
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- A Modular Synthesis of Multidentate S-, N- and O-Containing Meta- and Paracyclophanes
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The development of a modular approach to macrocycle assembly has enabled the synthesis of a library of pyridine-based macrocycles possessing multiple donor sites where chirality was readily introduced from (R)- or (S)-alanine, a representative amino acid. The facile, regioselective, nucleophilic ring opening of aziridines by dithiols enabled the synthesis of thioether-based linkers which on subsequent alkylation provided access to optically pure macrocycles. A modular approach to macrocyclic assembly has enabled the synthesis of a library of macrocycles possessing multiple donor sites where chirality was readily introduced from (S)-alanine. Key to this approach was the facile, regioselective, nucleophilic ring opening of aziridines by dithiols followed by macrocylisation under conditions of high dilution.
- Rasheed, Omer K.,Bailey, Patrick D.,Lawrence, Amy,Quayle, Peter,Raftery, James
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supporting information
p. 6988 - 6993
(2015/11/16)
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- A convenient method for regeneration of free thiol from a tert-butyl thioether
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When dimethylmethylthiosulfonium triflate (DMTST) is added to a tert-butyl-protected thiol (RSt-Bu), the unsymmetrical disulfide RSSMe is formed. At this point the free thiol (RSH) can be obtained by the addition of trimethylphosphine and water. Most byproducts are small organic molecules that are easily removed. Georg Thieme Verlag Stuttgart.
- Kragulj, Elijah J.,Gustafson, Jeffery L.,Grotjahn, Douglas B.
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p. 2851 - 2854
(2008/02/13)
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- Concave Reagents, 7. Concave Benzoic Acids
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Based on m-terphenyl units, concave benzoic acids 11a and 12a were prepared via the 2,6-diarylbenzoic acid 7a.Bromination of 7a with NBS gave 9, and cyclization of 9 with dithiols 10 led to the bimacrocyclic concave acids 11a and 12a.Their relative acidit
- Luening, Ulrich,Wangnick, Carsten,Peters, Karl,Schnering, Hans Georg von
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p. 397 - 402
(2007/10/02)
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- THE SYNTHESIS AND CHARACTERIZATION OF SOME NEW THIOETHER-IMIDAZOLE CONTAINING LIGANDS.
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Procedures are described involving a convenient condensation of 4(5)-hydroxymethylimidazole or 5-methyl-4-hydroxymethylimidazole with several thiols.The main step, the condensation reaction in refluxing acetic acid, is essentially the same for all ligands
- Bouwman, E.,Driessen, W. L.
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p. 1581 - 1588
(2007/10/02)
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